Dentist Abroad
What is the depth of topical anesthesia?
1) 1 mm
2) 2 mm
3) 3 mm
4) 4 mm
Topical anesthesia typically penetrates to a depth of about 2 mm, providing localized pain relief for procedures involving the mucosa.
What is the typical sequence of events during the eruption of a permanent tooth?
1) Resorption of the overlying alveolar bone, followed by movement of the tooth through the gum tissue.
2) Resorption of the deciduous tooth root, followed by movement of the permanent tooth into the socket.
3) Inflammation of the gum tissue, followed by resorption of the deciduous tooth crown.
4) Movement of the tooth through the gum tissue, followed by resorption of the deciduous tooth root.
ADC Test Answer: 2
Eruption of a permanent tooth involves the resorption of the primary tooth root, allowing the permanent tooth to move into the correct position within the alveolar bone.
What is the most common site for oral cancer within the mouth?
1) Hard palate
2) L ateral borders of the tongue
3) Floor of the mouth
4) Buccal mucosa
The lateral borders of the tongue are the most frequently affected site for oral cancer, particularly in the context of squamous cell carcinoma.
How much lidocaine is in 3 cartridges of 2% lidocaine?
1) 66 mg
2) 132 mg
3) 44 mg
4) 88 mg
Each cartridge contains 36 mg of lidocaine (1.8 ml x 20 mg/ml), so 3 cartridges contain 108 mg (3 x 36 mg).
Orthopedic correction of a mild skeletal Angle Class III malocclusion should be started:
1) Shortly after eruption of the upper first permanent molars.
2) Immediately following the pre-pubertal growth spurt.
3) Just prior to the pre-pubertal growth spurt.
4) Shortly after eruption of the upper second permanent molars.
Orthodontics Answer: 3
Explanation: Early intervention during growth spurts
capitalizes on the skeletal adaptability, making corrections more effective.
What percentage of hypertension cases is accounted for by primary or essential hypertension? 1) 50% 2) 60% 3) 75% 4) 90%
Pathology and Medicine Answer: 4Primary or essential hypertension makes up about 90% of all hypertension cases, typically with no identifiable cause and is associated with factors like genetics, smoking, and obesity.
Patients with which blood pressure range should be encouraged to seek medical consultation despite being able to undergo dental treatment? 1) 110/70 mmHg 2) 120/80 to 140/90 mmHg 3) 180/110 mmHg 4) 160/110 mmHg
Pathology and Medicine Answer: 2Patients with blood pressure between 120/80 and 140/90 should be encouraged to consult a doctor, even though dental treatment can proceed.
When is the MMR vaccine typically administered?
1) At birth and 6 months
2) At 1 year and again at 4 years
3) At 2 years and 5 years
4) At 6 months and 1 year
The MMR (measles, mumps, rubella) vaccine is usually given at 1 year of age and again at 4 years of age to ensure adequate immunity.
What is the difference between a dental chart and a dental record?
1) A dental chart is a visual representation of teeth, while a dental record includes all patient information.
2) A dental chart includes only the patient's medical history, while a dental record has the full treatment history.
3) A dental record is a visual representation of teeth, while a dental chart has the full treatment history.
4) Both are the same.
A dental chart is a part of the patient's dental record that specifically depicts the teeth and their conditions.
Your employer is attempting to update office sterilization procedures; what would you recommend as the BEST method to verify that sterilization has occurred?
1) Use color change tape in each load and spore tests weekly
2) Use indicator strips in each load and color change tape on each package
3) Use indicator strips daily and spore tests weekly
4) Use color change tape daily and spore tests monthly
ADC Test Answer: 3
Color-change tape each load + weekly spore tests – Tape only shows the package was exposed to heat, not that sterilization was achieved. Indicator strips each load + color-change tape each package – No spore testing included → cannot verify sterilization. Indicator strips daily + spore tests weekly – Includes both chemical indicators and weekly spore tests → best match. Color-change tape daily + spore tests monthly – Monthly spore testing is inadequate.
Tourniquet cannot be released before ....... minutes after Beir's block
1) 5 minutes
2) 10 minutes
3) 30 minutes
4) 60 minutes
Local Anesthesia Answer: 3
30 minutes Tourniquet once inflated and drug given, it cannot be released before half an hour as it is assumed that it takes this much time for drug to be completely out of vascular compartment.
What enzyme assists microorganisms in the dentin caries process?
1) Enolase
2) Collagenase
3) Amylase
4) Lactoferrin
Enolase plays a crucial role in the metabolic processes of bacteria involved in dentin caries, facilitating their growth and acid production.
Which type of caries occurs at the junction of tooth structure and restorative
material?
1) Primary caries
2) Secondary/recurrent caries
3) Residual
4) Incipient caries
Secondary or recurrent caries occur at the junction of tooth structure and restorative material, often due to leakage.
Consent is needed from a patient to share information. Which of the following requires explicit consent?
1) To share information with an insurance company
2) To share information with other doctors in the practice
3) To share information with the therapist treating the patient
4) To share information with the patient's General Medical Practitioner (GMP)
Sharing patient information with an insurance company typically requires explicit consent due to the sensitive nature of the information and privacy regulations.
Which of the following is NOT a common cause of secondary hypertension? 1) Pheochromocytoma 2) Smoking 3) Renal disease 4) Cushing’s syndrome
Pathology and Medicine Answer: 2Smoking is a risk factor for primary hypertension, while secondary hypertension is due to specific conditions like pheochromocytoma, renal disease, and Cushing’s syndrome.
What is the most common reason for the failure of an approximal amalgam filling?
1) Marginal leakage
2) Secondary caries
3) Isthmus fracture
4) Overhang
Isthmus fractures are a common reason for the failure of approximal amalgam fillings, often due to stress and occlusal forces.
Drug class causing free water clearance:
a) Diuretic
b) Saluretic
c) Uricosuric
d) Aquaretic
Vasopressin antagonists like tolvaptan are aquaretics
Vasoconstrictor in local anesthetic solution is?
1) Increase toxic effects of LA
2) Reduce toxic effects of LA solution
3) Increase bleeding
4) Has no effect on efficacy LA solution
The vasoconstrictor in a local anesthetic solution is used to reduce the toxic effects of the solution.
The oral lesion of warty dsykeratoma is described as a small whitish area of the mucosa with a central depression
Dens in dente is thought to arise as a result of 1. a normal tooth but enclaved within an other tooth, during formation 2. proliferation and evagination of an area of the inner enamel epithelium 3. extensive growth of mesenchymal cells of pulp tissue 4. an invagination of the enamel organ during tooth formation
Oral Pathology Answer: 4Dens in dente is an invagination of the enamel organ during tooth formation
What is the primary consideration for a substitute decision-maker in the
case of a patient with advanced Alzheimer's disease?
1) The patient's past preferences
2) The cost of treatment
3) The healthcare provider's opinion
4) The decision-maker's personal beliefs
The primary consideration for a substitute decision-maker should be
to make choices that align with what the patient would have wanted based on
their past preferences and best interests.
What is the recommended method for documenting entries in a dental record?
1) Pencil
2) Handwritten in ink or computer printed
3) Typed on a typewriter
4) Verbal communication only
Entries should be clear and permanent, which is best achieved through ink or printed documentation.
To minimize fractures of amalgam restorations in primary teeth, cavity
preparations should have
1) concave pulpal floors.
2) rounded axiopulpal line angles.
3) bevelled cavosurface margins.
4) lateral walls parallel to the external surface of the tooth.
Rounded line angles reduce stress concentrations in the amalgam, enhancing its
strength and resistance to fractures.
What type of information is typically included in a patient's medical history in a dental record?
- Financial history
- Detailed dental insurance coverage
- List of systemic diseases, medications, allergies, and lifestyle habits
- Work history and education
A comprehensive medical history in a dental record should include relevant medical information that may affect the patient's oral health or treatment.
What are the main challenges in the adoption of computerized dental records?
- Affordability and reliability of technology
- Lack of patient interest
- Limited space for computer equipment
- Complex regulations regarding color coding
The main barriers to adopting electronic records are the cost of the technology and ensuring it is reliable and user-friendly.
Which of the following calcium channel blockers is commonly used to treat hypertension?
1) Losartan
2) Nifedipine
3) Furosemide
4) Clonidine
Nifedipine is a calcium channel blocker used in hypertension, while Losartan is an ARB, Furosemide is a diuretic, and Clonidine is a central alpha2-agonist.
What enzyme assists microorganisms in the dentin caries process?
1) Enolase
2) Collagenase
3) Amylase
4) Lactoferrin
Enolase plays a crucial role in the metabolic processes of bacteria involved in dentin caries, facilitating their growth and acid production.
What is the purpose of the American with Disabilities Act (ADA) as it relates to dental care?
1) To set minimum standards for accessibility in dental offices
2) To require dentists to provide free care to patients with disabilities
3) To mandate that all dental procedures must be performed under general anesthesia for patients with special needs
4) To establish a government-funded program for special needs dentistry
The ADA requires that dental offices provide equal access to care for individuals with disabilities.
What is the primary role of saliva in oral health?
1) Aids in digestion
2) Provides antibacterial action
3) Helps in remineralization of teeth
4) All of the above
Saliva plays multiple roles in oral health, including aiding digestion, providing antibacterial action, and helping in the remineralization of teeth.
The pterygomaxillary fissure is formed by the union of:
1) Sphenoid and maxilla
2) Sphenoid and zygoma
3) Maxilla and palatine
4) Inferior nasal concha and nasal septum
The pterygomaxillary fissure is located between the sphenoid and maxilla bones and serves as a passageway for various structures including blood vessels and nerves.
For stage 2 hypertensive patients, periodic monitoring during dental procedures helps manage blood pressure fluctuations.
Which cement is more susceptible to failure if contaminated with saliva?
1) Resin cement
2) Glass ionomer cement
3) Zinc phosphate cement
4) Glass ionomer cement (GIC)
GIC is particularly sensitive to contamination with saliva, which can compromise its bonding ability.
Morphine causes vomiting by 1. stimulation of the no dose ganglion of the vagus 2. direct stimulation of the gastrointestinal musculature 3. stimulation of the medullary chemo receptor trigger zone 4. a direct irritant action on the gastric mucosa.
Pharmacology Answer: 3Morphine causes vomiting by stimulation of the medullary chemo receptor trigger zone
What is the importance of confidentiality in dental records management?
1) It allows for open communication between dentist and patient
2) It protects the dentist from legal issues
3) It ensures that financial information is secure
4) It is not important
Confidentiality fosters trust and encourages patients to share sensitive information, which is crucial for effective treatment.
Which of the following is used in the treatment of meningococcal meningitis in patients allergic to penicillin?
1) Ciprofloxacin
2) Teicoplanin
3) Meropenem
4) Chloramphenicol
Pharmacology Answer: 4
Treatment of meningococcal meningitis: In case of penicillin resistance, third generation cephalosporins should be used ( Ceftriaxone / CefotaximeIn case of penicillin / cephalosporin allergy, Chloramphenicol is used
Drug of choice – Penicillin G
What is the significance of the tail of an enamel rod being less mineralized
than the head?
1) It helps in the flexibility of the tooth
2) It provides a site for tooth coloration
3) It aids in nutrient absorption
4) It is more susceptible to decay
The tail of an enamel rod has less mineral content, making it more prone to demineralization and decay compared to the head.
The proposed mechanism by which a calcium hydroxide preparation initiates
secondary dentin formation in direct
pulp cappings is by
1) releasing calcium ions.
2) stimulating differentiated ameloblasts to lay down dentin.
3) stimulating fibroblasts to elaborate nuclei of the first order.
4) stimulating undifferentiated cells of the tissue to differentiate into
odontoblasts.
Calcium hydroxide is commonly used in pulp capping procedures due to its ability to promote healing and dentin formation:
- Stimulating undifferentiated cells of the tissue to differentiate into odontoblasts: Calcium hydroxide encourages the differentiation of pulp cells into odontoblast-like cells, which then produce secondary dentin. This is a critical mechanism for pulp healing and dentin regeneration.
- Releasing calcium ions: While calcium ions are released, the primary action is the stimulation of cell differentiation.
- Stimulating ameloblasts: Ameloblasts are involved in enamel formation, not dentin, so this option is incorrect.
- Stimulating fibroblasts: This is not the primary mechanism for secondary dentin formation.
Which type of radiograph is particularly useful for evaluating the temporomandibular joint (TMJ)?
1) Panoramic radiograph
2) Periapical radiograph
3) Occlusal radiograph
4) Cone beam computed tomography (CBCT)
CBCT provides detailed 3D images of the TMJ, allowing for accurate assessment of its structure and potential pathology.
Which one of the following statements is true as defined in endodontics?
1) Overfilling refers to the incomplete filling of the canal system with a
surplus of material extruding beyond the apical foramen.
2) Under filling refers to the complete filling of the canal space, but leaving
voids in the pulp chamber for possible recontamination or infection.
3) Overextension refers to the extrusion of filling material through an
accessory canal.
4) Under extension refers to the vertical extent of the filling material
regardless of its completeness of obturation.
In endodontics, "under extension" specifically refers to the filling material not reaching the appropriate vertical length within the canal system, which can leave parts of the canal unfilled. This is distinct from other terms like overfilling or underfilling, which have different implications regarding the completeness and placement of the filling material.
Lactobacillus is an acidogenic genus found in deep dental caries, that often increases significantly in the saliva during periods of caries activity
The advantage of the lingual split technique for the extraction of impacted
mandibular third molar teeth is/are:
1) Bone loss is minimal
2) Easy and quick method
3) Tissue trauma is minimal
4) All of the above
The lingual split technique, introduced by Sir William Kelsey Fry, is advantageous because it minimizes bone loss and tissue trauma during the extraction of impacted mandibular third molars. This technique allows for a more conservative approach, preserving surrounding structures while facilitating the removal of the tooth, making it a preferred method in many cases.
Which legislation governs the processing of personal data, including dental records, in the UK?
1) Health and Social Care Act 2008
2) Data Protection Act 2018
3) Access to Health Records Act 1990
4) NHS Records Management Code of Practice
The Data Protection Act 2018 supplements the GDPR and outlines the conditions for processing personal data, including health-related data.
What is the minimum requirement for the retention of dental records according to the GDC?
- 5 years for adults, 8 years for children
- 8 years for adults, 10 years for children
- 10 years for adults, indefinitely for children
- Different retention periods for each type of treatment
The GDC advises that dental records should be retained for at least 8 years after the last treatment for adults and 10 years for children until the patient reaches 25 years of age or 8 years after the last treatment, whichever is longer.
Which tooth is most commonly associated with dental impaction?
1) Maxillary canine
2) Mandibular first molar
3) Mandibular third molar
4) Maxillary central incisor
The mandibular third molar (wisdom tooth) is the most frequently impacted tooth due to limited space in the dental arch.
Regarding hand washing, which of the following is true?
1) Alcohol is the only effective agent
2) Chlorhexidine gel is used for surgical hand washing
3) Povidone iodine is not effective
4) Hand washing is not necessary before procedures
Chlorhexidine gel is an effective antiseptic used in surgical hand washing, along with alcohol and povidone iodine.
What is the primary mechanism by which fluoride helps prevent dental caries?
1) It acts as an antibiotic.
2) It increases the pH of saliva.
3) It inhibits the demineralization of enamel.
4) It promotes remineralization of enamel.
ADC Test Answer: 3
Fluoride forms a protective layer on the tooth enamel that inhibits the activity of bacterial enzymes responsible for demineralization, thereby preventing dental caries.
What is the typical duration of action of procaine?
1) 30 minutes.
2) 1-2 hours.
3) 2-4 hours.
4) 4-6 hours.
ADC Test Answer: 2
Procaine is a local anesthetic with a relatively short duration of action, typically lasting 1-2 hours.
What is the recommended practice for handling sharps in the dental office?
1) Recapping needles before disposal
2) Placing used sharps in a designated sharps container immediately after use
3) Reusing needles and syringes
4) Placing sharps in the regular trash
The recommended practice for handling sharps in the dental office is to place them in a designated sharps container immediately after use to prevent accidental injury and reduce the risk of transmission of bloodborne pathogens.
What is the purpose of the principle of nonmaleficence in dental practice?
1) To ensure dentists do not cause harm to patients
2) To justify the use of painful procedures for therapeutic purposes
3) To require dentists to provide only the most expensive treatments
4) To prioritize the dentist's financial success
Nonmaleficence is the principle that guides healthcare professionals, including dentists, to avoid causing harm to patients. It is often paired with beneficence and requires that treatments and care are provided with the intent to do no harm.
Which soft palate muscle is not affected by a laceration of the mucosa
1 cm lingual to the 2nd maxillary molar?
1) Tensor veli palatini
2) Palatoglossus
3) Palatopharyngeus
4) Levator veli palatini
A laceration of the mucosa 1 cm lingual to the 2nd maxillary molar is unlikely to damage the levator veli palatini as it is located above the palatoglossal fold.
What is the primary function of lactoferrin in the oral cavity?
1) To bind and sequester iron for bacterial metabolism
2) To break down bacterial cell walls
3) To neutralize bacterial enzymes
4) To stimulate the production of saliva
Lactoferrin is an iron-binding protein that deprives cariogenic bacteria of the iron they need to produce acid and other harmful substances, thereby inhibiting their growth and activity.
What does Stephan's curve primarily represent?
1) Change in pH of saliva over time
2) Change in pH of plaque over time
3) Change in pH of saliva with sugar intake
4) Change in pH of blood with exercise
Stephan's curve illustrates how the pH of dental plaque changes over time following sugar intake.
For a tooth (84) with deeper caries, the recommended treatment would be:
1) Indirect pulp capping and restoration
2) Pulpotomy and restoration
3) Pulpectomy and restoration
4) Extraction
ADC Test Answer: 3
Due to the depth of decay, a pulpectomy is indicated to remove all affected pulp tissue and disinfect the canal.
What antibiotic is used to manage a superinfected herpetic lip lesion?
1) Ciprofloxacin
2) Metronidazole
3) Cefuroxime
4) Doxycycline
Cefuroxime is effective against a range of bacteria that may superinfect herpetic lesions, making it a suitable choice for treatment.
Slowest induction and recovery is with:
1) Halothane
2) Isoflurane
3) Methoxyflurane
4) Desflurane
Methoxyflurane has the highest blood gas partition coefficient (15), resulting in the slowest induction and recovery.
Ranitidine belongs to the class of medications?
1) Proton pump inhibitor
2) Selective H2 receptor antagonist
3) Antacid
4) Antibiotic
Ranitidine belongs to the class of medications known as H2-receptor antagonists. These drugs work by blocking the action of histamine on the parietal cells in the stomach, which reduces the production of gastric acid. They are commonly used to treat conditions such as gastroesophageal reflux disease (GERD), peptic ulcers, and other conditions where a reduction in stomach acid is beneficial.
What is more likely to happen to an interproximal composite filling rather than amalgam?
1) Fracture
2) Polymerization shrinkage
3) Marginal leakage
4) Discoloration
Composite materials are more prone to polymerization shrinkage, which can lead to gaps and sensitivity compared to amalgam.
Polyethers are susceptible to dimensional change if immersed for a long time. The recommended maximum time to immerse in disinfectant is
1) 1 minute
2) 10 minutes
3) 30 minutes
4) 1 hour
The polyethers are susceptible to dimensional change if immersed for a long time (>10 min) because of their pronounced hydrophilic nature.
What is the typical onset of pain for a dry socket?
1) Immediately post-extraction
2) 3-4 days post-extraction
3) 1 week post-extraction
4) 2 weeks post-extraction
Dry socket pain typically starts 3-4 days after tooth extraction due to clot breakdown and bone exposure.
Which blood pressure reading is considered “prehypertension” according to recent classifications? 1) <120/80 mmHg 2) 120-139/80-89 mmHg 3) 140-159/90-99 mmHg 4) ?180/110 mmHg
Pathology and Medicine Answer: 2Prehypertension is defined as a blood pressure between 120-139 systolic and 80-89 diastolic.
What is a common cause of facial angioedema?
1) Cough medicine
2) ACE inhibitors
3) Antihistamines
4) Statins
Facial angioedema is frequently precipitated by ACE inhibitors, which are known to induce this reaction in sensitive individuals.
Ameloblastoma is the most aggressive:
1) Odontogenic tumor
2) Benign tumor
3) Malignant tumor
4) Fibrous tumor
Ameloblastoma is a benign but locally aggressive tumor of odontogenic origin, meaning it arises from the tissues that form teeth.
Tissue conditioning materials made of silicone are:
1) More resilient than plastic acrylic
2) Devoid of antimicrobial properties
3) Less durable than traditional materials
4) Typically harder than acrylics
ADC Test Answer: 1
Silicone lining materials are noted for their resilience and comfort, maintaining their cushioning properties over time compared to plastic acrylics.
Which class of drugs has been implicated in the development of thrombotic and bleeding complications in patients with disseminated intravascular coagulopathy (DIC)?
1) NSAIDs
2) Vitamin K antagonists
3) ACE inhibitors
4) Statins
NSAIDs can exacerbate bleeding complications by affecting platelet function and are linked to increasing the risk of angioedema.
Which antibiotic causes abdominal cramps in therapeutic doses?
1) Amoxicillin
2) Clindamycin
3) Metronidazole
4) Tetracycline
Clindamycin is known to cause gastrointestinal side effects, including abdominal cramps, even at therapeutic doses.
What is the danger zone in dental surgery?
1) The area around the maxilla
2) The region of the face where infections could pass to the cavernous sinus
3) The area around the mandible
4) The region of the neck
The danger zone is a triangular area of the face where infections can spread to the cavernous sinus, posing serious health risks.
What is the primary function of a wedge in oral surgery?
1) To remove teeth
2) To split teeth
3) To expand the tooth socket
4) To elevate the tooth
A wedge is used to create space in the tooth socket, facilitating tooth elevation and reducing the risk of fracture during extraction.
Highest analgesic effect is a feature of:
1) Ketamine
2) Thiopentone
3) Propofol
4) Etomidate
Ketamine is a very potent analgesic, providing maximum analgesia among all IV anaesthetics.
What hormone increases blood glucose and decreases serum potassium?
1) Insulin
2) Cortisol
3) Glucagon
4) Adrenaline
Cortisol increases blood glucose levels by promoting gluconeogenesis and decreases serum potassium levels by enhancing renal excretion.
Why is the J chain important for IgA and IgM functionality?
1) It enhances synthesis speed.
2) It promotes cellular uptake.
3) It aids in the formation of dimers and pentamers.
4) It blocks the action of pathogens.
The J chain is crucial for the assembly of immunoglobulin dimers (for IgA) and pentamers (for IgM), enabling them to function effectively as first-line defenses in mucosal surfaces by preventing pathogen adherence.
What is the relationship between the acidity of the mouth and the
progression of dental caries?
1) No relationship
2) Low acidity prevents caries
3) High acidity promotes caries
4) High acidity reverses caries
A pH below the critical level leads to demineralization and the progression of dental caries.
Which muscle group is often involved in trismus following a mandibular fracture? 1) Muscles of facial expression 2) Muscles of mastication 3) Suprahyoid muscles 4) Infrahyoid muscles
Oral and Maxillofacial Surgery Answer: 2Trismus, or restricted mouth opening, often occurs after mandibular fractures due to pain and involvement of the muscles of mastication, particularly the masseter and pterygoid muscles.
What is the primary ethical concern regarding informed consent in dental
tourism?
1) Cost of treatment
2) Quality of care
3) Patient autonomy and safety
4) Availability of specialists
Informed consent in dental tourism raises ethical concerns about ensuring that patients are fully informed about the risks, benefits, and continuity of care when seeking treatment abroad.
What is the purpose of using a handpiece with a 330 bur during a pulpotomy procedure?
1) To remove caries.
2) To reduce occlusal surface.
3) To remove the roof of the pulp chamber.
4) To mix IRM.
A handpiece with a 330 bur is used to remove the roof of the pulp chamber during a pulpotomy procedure.
What does overtrituration of amalgam cause?
1) Porosities
2) Shrinkage on setting
3) Bonding failure
4) Increased strength
Overtrituration leads to excessive heat generation and contraction, resulting in shrinkage and compromised integrity of the amalgam restoration.
Which of the following is the best method for ensuring confidentiality of dental
records?
1) Keeping records in an unlocked drawer
2) Sharing records with unauthorized staff
3) Using a password-protected electronic records system
4) Discussing patient information in public areas
To give inferior alveolar nerve block, the nerve is approached lateral to pterygomandibular raphe between the buccinator and:
1) Temporalis
2) Superior constrictor
3) Middle constrictor
4) Medial pterygoid
Local Anesthesia Answer: 2
Superior constrictor Mandibular nerve (and hence inferior alveolar, All auriculotemporal, lingual and buccal) is blocked posterior o lateral pterygoid plate.
Maximum shrinkage after gingival curettage can be expected from tissue that is:
1) Fibroedematous
2) Edematous
3) Fibrotic
4) Formed within an infrabony pocket
Edematous tissue is more likely to shrink after curettage due to the presence of excess fluid.
What is the primary advantage of using oral sedatives for anxious patients?
1) They provide deeper sedation
2) They are less expensive
3) They have a more predictable onset and duration
4) They require no needle administration
Oral sedatives are often preferred by patients with needle phobia as they avoid the discomfort associated with injections.
What is the typical presentation of trigeminal neuralgia?
1) Constant dull pain
2) Intermittent sharp pain triggered by stimuli
3) Pain that worsens at night
4) Pain associated with swelling
Trigeminal neuralgia is characterized by sudden, severe, and sharp facial pain that can be triggered by light touch or other stimuli.
Which ion acts as a second messenger?
1) Sodium
2) Potassium
3) Calcium
4) Magnesium
Calcium ions serve as important second messengers in various cellular signaling pathways, facilitating communication within and between cells.
What is the most common site for oral cancer within the mouth?
1) Hard palate
2) Lateral borders of the tongue
3) Floor of the mouth
4) Buccal mucosa
The lateral borders of the tongue are the most frequently affected site for oral cancer, particularly in the context of squamous cell carcinoma.
What is the primary concern during the third trimester of pregnancy?
1) Organogenesis of the fetus
2) The risk of preterm labor
3) Fetal movement
4) The development of the baby's teeth
The third trimester is marked by the secretion of large quantities of steroids into the blood, which can stimulate premature uterine contractions.
Agents not recommended for Bier block:
1) Chloroprocaine (Nesacaine), mepivacaine (Carbocaine), and bupivacaine (Marcaine)
2) Chloroprocaine (Nesacaine)
3) Mepivacaine (Carbocaine)
4) Bupivacaine (Marcaine)
Chloroprocaine (Nesacaine), mepivacaine (Carbocaine), and bupivacaine (Marcaine) are not recommended for Bier block.
A medication that may elicit headache as a side effect :
1) thiazide
2) Methyldopa
3) hydralazine
4) Procainamide
A number of medications may elicit headache as a side effect.
Common offenders include nitroglycerin, hydralazine, calcium-channel blockers, digitalis, and estrogen.
Recreational drugs such as nicotine, alcohol, marijuana, and amphetamines can also induce headache.
The function of cobalt in a cast chromium-cobalt-nickel alloy is to 1. increase resistance to shear and tensile stresses 2. provide tarnish resistance 3. increase tendency for higher ductility and decrease casting shrinkage 4. contribute strength, rigidity, and hardness
Dental Material Answer: 4Cobalt in a cast chromium-cobalt-nickel alloy contribute to strength, rigidity, and hardness
The parasympathetic fibers to pterygopalatine ganglion come from greater petrosal nerve
What is the main goal when treating an anxious patient in dentistry?
1) To complete the treatment as quickly as possible
2) To utilize the maximum amount of sedation
3) To alleviate fear and build trust
4) To avoid all invasive procedures
The primary goal is to reduce anxiety, thereby fostering a trusting relationship that improves the overall treatment experience.
Nickel-chromium alloys designed for porcelain bonded to metal crowns should be
used with caution because
1) nickel is an allergen.
2) the modulus of elasticity is low.
3) these alloys cannot be soldered
4) none of above
Nickel in the alloy may cause allergic reactions in sensitive individuals,
particularly women, necessitating caution.
What is the most common occupational health problem among dentists ?
1) Tinnitus
2) Musculoskeletal pain
3) Hypertension
4) Hearing loss
Musculoskeletal pain was the most common occupational health problem, with 78% of the dentists reporting it. This is consistent with findings from other studies that highlight the prevalence of musculoskeletal disorders in the dental profession due to prolonged sitting postures, repetitive movements, and manual dexterity required in dental practice.
Iodine is a characteristic component of 1. Cysteine 2. Tyrosine 3. Thyroxine 4. Thiamin
Biochemistry Answer: 3odine is a characteristic component of Thyroxine
Which immunoglobulin is first produced by the neonate upon birth?
1) IgA
2) IgM
3) IgG
4) IgD
IgM is the first immunoglobulin produced by neonates and plays a vital role in their primary immune response, appearing within the first few days of life.
The nerve to masseter passes 1. deep to the medial pterygoid muscle 2. posterior to temporomandibular joint 3. superior to zygomatic arch to enter the muscle on its medial surface 4. through the mandibular notch to enter the muscle on its medial surface
Anatomy Answer: 2The nerve to masseter passes posterior to temporomandibular joint
The decreased CO2 concentration the airways causes 1. Dilation of airways 2. Constriction of airways 3. No effect on airway 4. Complete obliteration of airway.
Physiology Answer: 2The decreased CO2 concentration the airways causes Constriction of airways
The initial treatment for acute necrotizing ulcerative gingivitis
(ANUG) typically involves:
1) Antibiotics only
2) Topical steroids
3) Surgical intervention
4) Debridement and mouth rinse with H2O2
ANUG is a severe form of gingivitis that requires immediate and aggressive treatment to prevent its progression. The primary treatment involves thorough debridement of necrotic tissue and plaque from the affected areas to reduce the bacterial load and promote healing. Antiseptic mouth rinses, such as hydrogen peroxide (H2O2), are also commonly used to further reduce bacteria and aid in the healing process. Antibiotics may be necessary in severe cases with systemic involvement.
Typical features of Down’s syndrome (Mongolism) do not include:
1) Multiple immunodeficiencies
2) Severe caries but minimal periodontal disease
3) Susceptibility to infections
4) Multiple missing teeth and malocclusion
ADC Test Answer: 2
Individuals with Down syndrome often exhibit a higher incidence of periodontal disease rather than minimal periodontal issues.
The maximum recommended number of 1.8ml cartridges of 2% lidocaine with
epinephrine 1:100,000 that may be safely administered to a 17kg child is
approximately
1) 0.5.
2) 1.
3) 1.5.
4) 2.
The maximum dose of lidocaine is 4.4 mg/kg, making 1.5 cartridges the safe maximum for a 17kg child
What is the role of Campylobacter rectus in dental biofilm
metabolism?
1) It produces formate and hydrogen gas as metabolic byproducts.
2) It has no role in biofilm formation.
3) It is exclusively an aerobic organism.
4) It utilizes formate and hydrogen gas as energy sources.
Campylobacter rectus is capable of using formate and hydrogen gas as energy sources and electron donors for its metabolic activities, which contributes to its role in dental biofilm ecology and metabolism.
In providing treatment to older adults, which ethical principle is most
important?
1) Autonomy
2) Beneficence
3) Non-maleficence
4) Justice
Respecting an elderly patient's autonomy is crucial for ethical treatment, ensuring informed consent and patient-centered care.
Most of the pre ganglionic sympathetic fibres are 1 A fibres 2 B fibres 3 C Fibres 4 None of the above
Physiology Answer: 2- A fibres are myelinated fibres having fastest rate of conduction
All of the following drugs cross the placenta except?
1) Phenytoin
2) Diazepam
3) Morphine
4) Heparin
Heparin Heparin does not the cross the placenta. Hence its safe for use in pregnant patients who need anticoagulation.
What is the first line of treatment for a patient with a lower lateral tooth extracted while the alveolus heals to cover the gap?
1) Conventional cantilever
2) Partial denture
A partial denture is often the preferred option to replace missing teeth during the healing process, providing functional and aesthetic support.
Which of the following is a loop diuretic used to manage hypertension?
1) Amiloride
2) Furosemide
3) Chlorothiazide
4) Spironolactone
Furosemide is a loop diuretic that acts on the kidneys to increase urine output, thereby lowering blood pressure.
Which of the following is contraindicated in hypertensive patients for gingival retraction?
1) Plain retraction cord
2) Adrenalin-impregnated cord
3) Saline solution
4) None of the above
Adrenalin-impregnated cords can cause significant blood pressure spikes, which are risky in hypertensive patients.
What is the primary cause of non-carious cervical lesions?
1) Dental decay
2) Abfraction
3) Erosion
4) Both B and C
Non-carious cervical lesions can be caused by abfraction (stress-related loss of tooth structure) and erosion (chemical dissolution), both of which do not involve cariogenic bacteria.
Stage of surgical anaesthesia is:
1) Stage I
2) Stage II
3) Stage III plane 2
4) Stage III plane 3
Stage III plane 3 is considered the stage of surgical anaesthesia because laryngeal reflex goes in this stage, and patient can be intubated.
Simplest way to stop gingival bleeding:
1) Cotton pellet.
2) Retraction cord.
3) Temporary dressing.
4) Suture.
ADC Test Answer: 1
A cotton pellet is a simple and effective means to apply pressure directly to a bleeding site, helping to control hemorrhage temporarily.
What is the most common site for oral cancer?
1) Hard palate
2) Lateral borders of the tongue
3) Lower lip
4) Buccal mucosa
The lower lip is the most frequently affected site for oral cancer, while the lateral borders of the tongue are also common sites within the oral cavity.
What is the purpose of a chisel in oral surgery?
1) To split teeth
2) To remove bone
3) To elevate soft tissue
4) To luxate teeth
A chisel is used in oral surgery to cut or remove bone, often during procedures such as apicoectomy or osteotomy.
What is the typical shape of a pit and fissure lesion?
1) Inverted V-shape
2) V-shape
3) U-shape
4) O-shape
Pit and fissure lesions begin narrow and widen as they progress into the tooth structure.
What is the recommended time frame for administering nitrous oxide sedation to achieve its anxiolytic effect?
1) 5-10 minutes
2) 2-3 minutes
3) 30-60 minutes
4) 1-2 minutes
Nitrous oxide typically takes 5-10 minutes to reach its full effect, allowing patients to feel relaxed and less anxious about their dental treatment.
Which of the following is TRUE regarding the attachment of the mylohyoid muscle?
1) It attaches superiorly at the lateral border of the mandible and inferiorly at the body of the hyoid.
2) It attaches superiorly at the medial border of the mandible and inferiorly at the lesser horn of the hyoid
3) It attaches superiorly at the medial border of the mandible and inferiorly at the greater horn of the hyoid
4) It attaches superiorly at the medial border of the mandible and inferiorly at the body of the hyoid
It attaches superiorly at the medial border of the mandible and inferiorly at the body of the hyoid
Which of the following may be caused by a newly placed restoration that interferes with the occlusion?
1) Apical abscess
2) Pulpal necrosis
3) Apical periodontitis
4) Periodontal disease
An occlusal interference can lead to increased stress on the tooth, potentially resulting in apical periodontitis.
What fluoride treatment is recommended for a child with a high caries rate?
1) 2,800 ppm toothpaste
2) 5,000 ppm toothpaste
3) Application of 2.2% Duraphat 2 times yearly
4) Application of 2.2% Duraphat 3-4 times yearly
For children with a high caries rate, more frequent applications of fluoride varnish like Duraphat are recommended to provide additional protection.
Where would you expect to find the mylohyoid muscle in relation to the periphery of a full lower denture?
1) Mandibular buccal in the midline
2) Mandibular lingual in the first premolar area
3) Mandibular lingual in the midline
4) Mandibular disto buccal area
ADC Test Answer: 2
The mylohyoid muscle forms the floor of the mouth and is located lingually, particularly in the area of the first premolars.
What is the difference between a dental implant and a dental bridge?
1) A dental implant is a fixed restoration that replaces the root and crown of a tooth, while a bridge is a fixed restoration that uses adjacent teeth as supports.
2) A dental implant is a removable restoration, while a bridge is fixed.
3) A dental bridge is a single piece that replaces the root and crown, whereas an implant requires multiple components.
4) Both implants and bridges are used to replace single missing teeth only.
ADC Test Answer: 1
A dental implant is a titanium post that is surgically placed in the jawbone to mimic a tooth root and support a prosthetic crown.
What is the most common cause of tooth sensitivity?
1) Gum recession
2) Tooth decay
3) Cracked teeth
4) All of the above
Tooth sensitivity can arise from various factors, including gum recession, tooth decay, and cracked teeth, exposing the dentin.
The most common malignant lesion found in the oral cavity is:
1) Ameloblastoma
2) Squamous cell carcinoma
3) Osteosarcoma
4) Adenocarcinoma
ADC Test Answer: 2
Squamous cell carcinoma constitutes approximately 90% of oral malignancies and is often seen as ulcers or lumps in the oral tissues.
If the tooth has not erupted to the line of occlusion it is called
1) Supraversion
2) Torsiversion
3) Rotated
4) Infraversion
Orthodontics Answer: 4
Terms used to describe the position of teeth. Mesioversion - A tooth in the arch located more mesial than normal
Distoversion - A tooth in the arch located more distal than normal
Labioversion - An incisor or canine outside of arch towards the lips
Buccoversion - A posterior tooth outside the arch toward the cheek
Linguoversion - A tooth inside the arch form toward the tongue
Infraversion - A tooth that has not erupted to the occlusal plane
Supraversion - A tooth the has over-erupted
Torsiversion - A tooth rotated on its axis
Transversion (Transposition) - Teeth that are in the wrong sequential order.
Clinical examination of a 42 year old heavy smoker reveals a white patch in the retromolar/tonsillar pillar region. The patch cannot be wiped off. The most likely diagnosis is
1) lichen planus.
2) leukoplakia.
3) white sponge nevus.
4) frictional hyperkeratosis.
E. pseudomembranous candidiasis.
Explanation: Leukoplakia is a common oral mucosal lesion that presents as a
white, non-wipable patch or plaque. It is often associated with chronic
irritation, such as that caused by tobacco use. While it is not cancerous,
leukoplakia can be a precancerous condition that requires monitoring for
potential malignant transformation, especially in patients with high-risk
factors like heavy smoking.
An approach to an impacted mandibular molar is achieved by:
1) Envelop flap
2) Bayonet flap
3) L-shaped flap
4) All of the above
All the listed flap techniques (envelop flap, bayonet flap, and L-shaped flap) are types of mucoperiosteal flaps used in oral surgery to access impacted teeth. Each flap has its indications and advantages, and the choice of flap depends on the specific clinical situation. The L-shaped flap, also known as Ward's incision, is commonly used for the removal of impacted teeth due to its effectiveness in providing access while minimizing tissue trauma.
Which is NOT TRUE in relation to the prescription of 5mg or 10mg of diazepam for sedation?
1) Patients commonly complain of postoperative headache
2) An acceptable level of anxiolytic action is obtained when the drug is given one hour preoperatively
3) There is a profound amnesic action and no side effects
4) Active metabolites can give a level of sedation up to 8 hours postoperatively
5) As a benzodiazepine, the action can be reversed with Flumazenil
Diazepam can cause side effects, including sedation and impaired motor function, and is not free from adverse reactions.
What artery provides nourishment to the TMJ?
1) Superficial temporal artery
2) Maxillary artery
3) Facial artery
4) Inferior alveolar artery
The superficial temporal artery, a branch of the maxillary artery, provides blood supply to the temporomandibular joint (TMJ).
Ketamine is contraindicated in
1) Hypertension
2) Raised intracranial tension
3) Raised intraocular tension
4) All of the above
a. Ketamine raises both systolic and diastolic blood pressures and is thus
contraindicated in hypertension.
b. Ketamine increases cerebral blood flow and intracranial pressure and is thus
contraindicated in raised intracranial tension
c. Ketamine raises intraocular tension and is thus contraindicated in glaucoma.
Which antihypertensive medication type may cause gingival hyperplasia? 1) ACE inhibitors 2) Beta-blockers 3) Calcium channel blockers 4) Diuretics
Pathology and Medicine Answer: 3Calcium channel blockers, like Amlodipine, are known to cause gingival hyperplasia.
Which of the following is one of the "Four Cs" of record keeping?
1) Comprehensive
2) Complicated
3) Costly
4) Confusing
The "Four Cs" of record keeping include contemporaneous, clear, concise, and complete, emphasizing the importance of thorough documentation.
What is the most common complication associated with local anesthesia in the
elderly?
1) Dizziness and lightheadedness
2) Inadvertent intravascular injection
3) Increased risk of infection
4) Prolonged numbness
Due to altered pharmacokinetics, elderly patients may experience prolonged anesthesia and delayed recovery of normal sensation.
What is the age of majority for giving informed consent?
1) 16 years
2) 18 years
3) 21 years
4) Varies by country
In most jurisdictions, the age of majority is 18 years, which means
individuals below this age are considered minors and typically require parental
or guardian consent for medical or dental treatment, except in cases of
emergency.
Which immunoglobulin is present following a bacterial and viral infection?
1) IgA
2) IgD
3) IgM and IgG
4) IgE
Both IgM and IgG are present during and following infections; IgM appears first, while IgG is the most abundant antibody in circulation post-infection.
The extraction of a primary maxillary central incisor at the age of 6 years will
cause
1) loss of intercanine space.
2) increased intercanine space.
3) no change in intercanine space.
4) decreased overjet.
Primary incisors generally do not influence intercanine space, as it is
maintained by the canine teeth.
The first tapping sound, known as the Korotkoff sound, represents the systolic pressure.
Ultrashort acting blocker most commonly used in anaesthesia is:
1) Esmolol
2) Nadolol
3) Propranolol
4) Atenolol
Esmolol is metabolized by RBC esterase, making it very short acting with a half-life of only 8-10 minutes.
What’s true about the sealers if extruded out of the canal?
1) ZoE is most irritating.
2) AH Plus sealer is most irritating.
3) Real Seal is most irritating.
4) Both ZoE and AH Plus are more irritating than Real Seal.
ADC Test Answer: 4
Both Zinc Oxide Eugenol (ZoE) and AH Plus endodontic sealers can cause irritation if extruded into the periapical tissues, while Real Seal tends to have a lower irritation potential.
Which of the following is NOT a component of a comprehensive dental record?
1) Patient medical and dental history
2) Clinical examination findings
3) Treatment plans and consent forms
4) Social security number of the patient's next of kin
E. Financial information
While it's essential to have emergency contact information, including the next of kin, a social security number is not typically considered a necessary part of a comprehensive dental record. The primary components of a comprehensive dental record include the patient's personal and medical/dental history, clinical examination findings, diagnoses, treatment plans, consent forms, and radiographs/images.
Which of the following statement is not true about diuretics:
1) Acetazolamide is a carbonic acid anhydrase stimulant
2) Thiazides act on cortical diluting segment of loop of Henle
3) Frusemide is a high ceiling diuretic
4) Spironolactone is an aldosterone antagonist
Acetazolamide is a carbonic acid anhydrase stimulant Acetazolamide, non-competitively (but reversibly) inhibits carbonic anhydrase in proximal tubular cells.
Administration of which among the following anaesthetic agent results in a state of dissociative anaesthesia?
1) Ether
2) Propofol
3) Ketamine
4) Thiopentone sodium
Dissociative Anaesthesia refers to a characteristic state which results after an induction dose of Ketamine. The patient's eyes remain open with a slow nystagmic gaze in Dissociative Anaesthesia. Its major effect is through the inhibition of the NMDA receptor complex.
Which of the following statements is true regarding the phase III clinical trial of a drug?
1) It is intended to determine drug efficacy and toxicity on a large number of patients
2) It is performed only on primates
3) It is performed with only a few volunteer subjects
4) It is primarily intended to determine the LD50 of a drug
Phase III studies are randomized controlled multicenter trials on large patient groups (300–3,000 or more depending upon the disease/medical condition studied) and are aimed at being the definitive assessment of how effective the drug is, in comparison with current 'gold standard' treatment.
The percentage of total dentine surface dentinal tubules make up at 0.5mm away from pulp is:
1) 20%
2) 50%
3) 70%
4) 80%
ADC Test Answer: 2
Studies have shown that approximately 50% of the total dentin surface at this distance from the pulp chamber is occupied by dentinal tubules, which play a crucial role in sensitivity and responsiveness.
Which of the following is the most important factor in disease progression in smokers?
1) Smokers have drier mouths than non-smokers
2) Smokers have poorer oral hygiene than non-smokers
3) Nicotine will impair the chemotactic and phagocytic properties of PMNs
4) The gingival blood flow is reduced in smokers
Reduced gingival blood flow in smokers contributes significantly to the progression of periodontal disease and other oral health issues.
Which of the following clinical conditions is the most serious?
1) Acute apical abscess of a mandibular central incisor.
2) Mid facial cellulitis.
3) Chronic apical abscess of a mandibular third molar.
4) Infected dentigerous cyst.
Mid-facial cellulitis can rapidly progress to life-threatening complications
like cavernous sinus thrombosis or airway obstruction.
Which of the following are anti-fungal drugs?
1) Cloxacillin
2) Aciclovir
3) Chlorhexidine
4) Nystatin
Miconazole is an imidazole anti-fungal drug, Nystatin is a polyene anti-fungal drug and itraconazole is a triazole anti-fungal.
Aciclovir is an anti-viral drug and chlorhexidine is an antiseptic.cloxacillin is penicillin derivative.
Which one of the following is true about oral hairy leukoplakia?
1) Associated with HIV virus infection and is commonly seen on the dorsal of the tongue
2) Associated with HIV virus infection and is commonly seen on the lateral side of the tongue
3) Usually caused by Candida species
4) Always associated with trauma to the lateral side of the tongue
ADC Test Answer: 2
Oral hairy leukoplakia is typically associated with Epstein-Barr virus and is most commonly found on the lateral borders of the tongue in immunocompromised individuals.
The afferent limb to the upper epiglottis is via which nerve?
1) Superior laryngeal branch of the vagus nerve (CN 10)
2) Inferior laryngeal branch of the vagus nerve (CN 10)
3) Glossopharyngeal nerve (CN 9)
4) Lingual nerve (CN 5)
The glossopharyngeal nerve (CN 9) is a mixed cranial nerve that carries both
sensory and motor fibers.
The superior laryngeal branch of the vagus nerve (CN 10) innervates the mucous
membranes of the larynx below the level of the epiglottis, while the inferior
laryngeal branch innervates the muscles of the larynx, not the epiglottis. The
lingual nerve (CN 5) is primarily involved in the sensation of the anterior
two-thirds of the tongue and the mucosa of the floor of the mouth, not the
epiglottis.
The main stimulation for production of A.D.H. is 1. Increase in plasma potassium. 2. Decrease in blood volume 3. Increase in extracellular fluid 4. Decrease inextracellularosmotic pressure
Physiology Answer: 2The main stimulation for production of A.D.H. is Decrease in blood volume - A.D.H. secretion increases during osmotic diuresis
What do pulp tester readings signify?
1) Exaggerated response indicates irreversible pulpitis
2) No response indicates reversible pulpitis
3) Exaggerated response indicates reversible pulpitis
4) No response indicates healthy pulp
An exaggerated response to pulp testing typically indicates reversible pulpitis, while no response suggests irreversible pulpitis.
What is the primary purpose of a dental unit waterline treatment? 1) To improve the taste of the water 2) To prevent biofilm formation and contamination 3) To enhance the aesthetic appearance of the dental unit 4) To reduce the need for sterilization
Occupational Hazards Answer: 2Regular treatment of dental unit waterlines is essential to prevent the growth of biofilms and ensure that the water used in procedures is safe and free from pathogens.
Which of the following drugs acts by enzyme inhibition?
1) salbutamol
2) acetazolamide
3) tolbutamide
4) chlorpromazine
Acetazolamide is a carbonic anhydrase inhibitor that reduces aqueous humour production and is therefore indicated in glaucoma to reduce the intraocular pressure.
Salbutamol is a selective, short-acting beta2-agonist used as a bronchodilator in asthma.
Chlorpromazine is an aliphatic neuroleptic antipsychotic drug used in schizophrenia.
For composite resin preparations, cavosurface enamel margins are bevelled because
1. A bevelled margin produces a more favorable surface for etching.
2. A bevelled margin improves the edge strength of the composite resin.
3. After etching, the bonding agent reduces microleakage.
4. The procedure eliminates the need to polish the restoration.
1) (1) (2) (3)
2) (1) and (3)
3) (2) and (4)
4) (4) only
Beveling the margins of a cavity preparation for composite resin has specific benefits:
- Favorable surface for etching: A bevelled margin increases the surface area for bonding and improves the etching process.
- Reduces microleakage: Proper bonding after etching can help seal the margins and reduce the risk of microleakage.
- Edge strength: While beveling can improve aesthetics and bonding, the primary reasons are related to etching and sealing.
What must a healthcare provider ensure about a patient before obtaining
informed consent?
1) The patient is of legal age
2) The patient has a high level of education
3) The patient is capable of understanding the information provided
4) The patient has a family member present
It is crucial that the patient has the capacity to understand the information related to their treatment to give valid consent.
The principal growth sites of the maxilla in a downward and forward direction include which of the following sutures?
1 Frontomaxillary.
2) Zygomaticomaxillary.
3) Pterygopalatine.
4) Median palatine.
1). (1), (2), and (3).
2). (1) and (3).
3). (2) and (4).
4). (4) only.
Growth of the maxilla occurs at multiple sutures, particularly the frontomaxillary, zygomaticomaxillary, and pterygopalatine, allowing for its expansion and forward displacement.
Drug used in acute gout is?
1) Aspirin
2) Indomethacin
3) Phenylbutazone
4) Allopurinol
Treatment of acute gout is mainly to control symptoms, i.e.
The symptoms of acute gout are due to inflammation in the joints.
So, drugs which decrease inflammation are used in acute gout, i.e. anti-inflammatory drugs. Drugs are:- NSAIDs, Colchicine, Corticosteroids
With Silicon Rubber Impression Materials 1. Three stone dies can be constructed 2. It is not possible to construct successive stone dies or casts 3. Four stone dies can be constructed 4. It is possible to construct successive stone dies or casts
Dental Material Answer: 2It is not possible to construct successive stone dies or casts with Silicon Rubber Impression Materials
What is the role of SmartConsent in informed consent?
1) It is a legal requirement for all medical procedures
2) It is a technology that standardizes and personalizes the consent process
3) It replaces the need for healthcare professionals to communicate with
patients
4) It is a form of anesthesia used in dental procedures
SmartConsent is a tool that helps healthcare providers communicate
complex medical information effectively to patients, aiding in the informed
consent process.
For a pigmented fissure, what is the best way to diagnose caries?
1) Visual examination
2) Radiographic examination
3) Investigate the area with a round bur
4) Transillumination
Investigating the area with a round bur allows for direct assessment of the fissure and any underlying carious lesions.
Which investigation is most commonly used to rule out aspiration in mandibular fracture patients with missing teeth? 1) Chest X-ray 2) Orthopantomogram 3) PA mandible 4) CT scan
Oral and Maxillofacial Surgery Answer: 1A chest X-ray is commonly performed when missing teeth or denture fragments cannot be accounted for in a mandibular fracture patient. This helps to rule out aspiration of foreign bodies.
The regional lymphatic drainage of the left side of the tip of the tongue is to the?
1) Left submandibular lymph node.
2) Left submental lymph node.
3) Left and right submental lymph nodes
4) Left and right submandibular lymph nodes.
The regional lymphatic drainage of the left side of the tip of the tongue is to the left and right submental lymph nodes.
Pethidine should not be given with:
1) Reserpine
2) Propranolol
3) Atenolol
4) MAO inhibitors
Pethidine can cause severe excitatory response and arrhythmias in patients on MAO therapy.
The primary action of aspirin is to:
1) Increase blood flow
2) Decrease blood pressure
3) Inhibit thrombin
4) Inhibit platelet aggregation via thromboxane A2
Aspirin exerts its anti-inflammatory and anti-platelet effects by irreversibly inhibiting cyclooxygenase (COX) enzymes, particularly COX-1. This inhibition leads to decreased synthesis of thromboxane A2, a potent mediator of platelet aggregation and vasoconstriction. By blocking thromboxane A2, aspirin helps prevent the formation of blood clots, thus reducing the risk of thrombotic events such as heart attacks and strokes.
Brinnel hardness number of a dental gold alloy is directly proportional to its:
1) Tensile strength
2) Elongation
3) Modulus of elasticity
4) Modulus of resiLience
Brinnel and Rockwell tests are cLassified as macrohardness tests and they aie not suitable for brittle materials.
The Knoop and Vickers tests are classified as microhardness tests.
The Shore and the Barcot tests are used for measuring the hardness of rubbers and plastics.
The Bnnnel test is the one of oldest tests used for determining the hardness of materials and is directly related to proportional limit and the ultimate tensile strength of dental gold alloys.
The convenience of the Rockwell test, with direct reading of the depth of the indentation, has lead to its wide usage.
The Knoop hardness test is used to obtain the values for both exceedingly hard and soft materials. The hardness value is independent of the ductility of the material.
The Vickers test is employed for dental costing gold alloys. It is suitable for determining the hardness of brittle materials.
Consent is needed from a patient to share information. Which of the following requires explicit consent?
1) To share information with an insurance company
2) To share information with other doctors in the practice
3) To share information with the therapist treating the patient
4) To share information with the patient's General Medical Practitioner (GMP)
Sharing patient information with an insurance company typically requires explicit consent due to the sensitive nature of the information and privacy regulations.
What is the name of the surgical instrument used for luxating a tooth during extraction?
1) Elevator
2) Forceps
3) Excavator
4) Chisel
Forceps are the primary instruments used for luxating (rocking) and removing teeth during extraction procedures.
Which of the following is NOT a requirement for informed consent in dental treatment?
1) The patient must be competent to make decisions
2) The treatment options must be fully explained to the patient
3) The patient must be informed of the risks and benefits of each option
4) The patient must sign the consent form in triplicate
Informed consent requires that the patient is competent to make decisions, the treatment options are fully explained, the risks and benefits are communicated, and the patient understands the nature and purpose of the proposed treatment. While a signed consent form is typically required, there is no standard requirement for the number of copies.
If a biochemical test gives the same reading for a sample on repeated testing, it is inferred that the measurement is:
1. Precise.
2. Accurate.
3. Specific.
4. Sensitive.
repeatablity of test is precision and getting results within reference range is accuracy
What characterizes the action of saliva on dental plaque?
1) It increases plaque pH immediately.
2) It has no effect on plaque acidity.
3) It dilutes and neutralizes plaque acidity.
4) It only coats teeth without affecting pH.
Saliva plays a crucial role in maintaining oral health by diluting and carrying away acid metabolites produced by plaque bacteria, thus helping to neutralize acidity and reduce the risk of caries development.
Which of the following series of cements have anticariogenic properties? 1. zinc phosphate, silicate, and polycarboxylate cements 2. silicophosphate, glass ionomer, and silicate cements 3. zinc oxide eugenol, ethoxybenzoic, and zinc oxide eugenol polymer reinforced cements 4. calcium hydroxide and ethoxybenzoic cements
Dental Material Answer: 2Cements with anticariogenic properties are silicophosphate, glass ionomer, and silicate cements
At what stage of development does the parotid gland form in utero?
1) 20-30 days
2) 30-40 days
3) 40-44 days
4) 50-60 days
The parotid gland begins to develop around 40-44 days in utero, which is approximately 1.5 months.
What should be done with consent forms in dental records?
1) They should be discarded after treatment
2) They should be signed and stored securely
3) They should be kept in a separate financial record
4) They do not need to be documented
Consent forms must be properly signed and retained as part of the patient's clinical record to ensure legal compliance.
The active immunity offered by tetanus toxoid is effectively in nearly:
1. 25 % of the patients.
2. 50 % of the patients.
3. 75 % of the patients.
4. 100 % of the patients.
80 - 100 % so nearly 100 -- 75 % also equally correct
The average overall length of the permanent maxillary central incisor is 22.5 mm
Which of the following is NOT a benefit of computerized patient records?
1) Reduced frequency of errors
2) Increased costs
3) Improved patient safety
4) Enhanced data protection
While there may be initial costs associated with implementing EDR systems, the long-term benefits include reduced errors and improved safety.
The nerve supply of the pulp is composed of which type of nerve fibers?
1) Afferent & sympathetic
2) Efferent & sensory
3) Motor & autonomic
4) Motor & sensory
ADC Test Answer: 1
The pulp receives sensory (afferent) fibers, mainly from the trigeminal nerve, and sympathetic fibers that regulate blood flow.
Elgiloy arch wire is a 1. Cobalt chromium nickel alloy 2. Gold alloy 3. Optical fiber arch wire 4. Beta titanium arch wire
Dental Material Answer: 1Elgiloy arch wire is a Cobalt chromium nickel alloy
Which of the following local anaesthetic is more safe in surface and infiltrating anaesthesia:
1) Procaine
2) Cocaine
3) Lignocaine
4) Amethocaine
Lignocaine and prilocaine are considered as safe local anaesthetic and can be used for both topical and infiltration (local nerve blocks) anaesthesia.
What is the term for the risks that must be discussed with a patient before
treatment?
1) Minor risks
2) Unlikely risks
3) Insignificant risks
4) Material risks
Material risks are those that are most relevant to the patient and should be disclosed prior to treatment.
What is TRUE in regards to osteogenesis imperfecta?
1) Manifests with blue sclera
2) May be associated with deafness
3) Sex-linked disorder of bones that develop in cartilage
4) All of the above
ADC Test Answer: 1
Osteogenesis imperfecta is characterized by fragile bones, blue sclera due to thin collagen in the eye, and may also have associations with hearing loss.
Shortest duration local anaesthetic is:
1) Chloroprocaine
2) Bupivacaine
3) Lignocaine
4) Procaine
Shortest duration local anaesthetic is chloroprocaine with duration of effect only 15-30 minutes.
Rapid induction of anaesthesia occurs with which of the following anaesthetic:
1) Isoflurane
2) Halothane
3) Desflurane
4) Sevoflurane
Desflurane has the lowest blood gas partition coefficient of 0.42, so it has the fastest induction and recovery. Second fastest induction and recovery is with cyclopropane with blood gas partition coefficient of 0.44.
Analysis which is similar to Pont’s analysis is_______?
1) Linder Harth index
2) Korkhaus analysis
3) Bolton’s analysis
4) (A) and (B)
SOLUTION
· Pont’s in 1905 presented a system whereby the measurement of the four maxillary incisors automatically established the width of the arch in the premolar and molar region.
· Linder Harth index: This analysis is very similar to Pont’s analysis except that a new formula has been proposed to determine the calculated premolar and molar value.
· Korkhaus analysis: This analysis is also very similar to Pont’s analysis it makes use of Linder Harth’s formula to determine the ideal arch width in the premolar and molar region.
In addition this analysis utilizes a measurement made from the midpoint of the inter-premolar line to a point in between the two maxillary incisors.
· Bolton’s analysis: The Bolton’s analysis helps in determining disproportion in size between maxillary and mandibular teeth.
After completion of root canal therapy on a maxillary first premolar with
moderate mesial and distal lesions and intact buccal and lingual surfaces, the
restoration of choice is a/an
1) MOD composite resin.
2) MOD onlay.
3) MOD pin retained amalgam.
4) MOD bonded amalgam.
An onlay provides superior protection and strength for teeth with compromised structure, especially on premolars.
Can informed consent be given over the phone or through email?
1) Yes, as long as the patient signs and returns the form
2) No, it must always be obtained in person
3) It is preferred in person, but alternatives can be used in some cases
4) Only for emergency treatments
Informed consent is typically a face-to-face interaction where the
dentist can assess the patient's understanding and answer questions. However,
some jurisdictions may allow for alternative methods under certain
circumstances, such as telemedicine or in emergencies.
What is the mean, mode, and median?
1) Mean is the most frequent value, mode is the average, median is the middle value
2) Mean is the average, median is the middle value, mode is the most frequent value
3) Mean is the middle value, mode is the average, median is the most frequent value
4) All are the same
The mean is calculated by averaging all values, the median is the middle value when arranged in order, and the mode is the value that appears most frequently in a dataset.
Which one of the following is used in water fluoridation?
1) SnF2
2) 1.23% APF
3) H2SiF2
4) CaSiF2
ADC Test Answer: 3
Hydrofluorosilicic acid (H2SiF2) is widely used for water fluoridation, replacing hydroxyapatite with more decay-resistant fluoroapatite in tooth enamel.
Only pure hinge movementsof the mandible occur at
1) centric occlusion
2) centric relation
3) lateral exursion
4) terminal hinge position
The functional movements of the mandible are combinations of hinge and glide movements. Within vertical limits, the mandible may make a pure hinge movement without a simultaneous glide. The one relation of the condyle to the fossae in which this pure hinge movement is possible is called terminal hinge position
The obturating material of choice for primary teeth following complete pulpectomy is:
1) Zn phosphate cement and formocresol combination paste
2) Quick setting hydroxide cement
3) Zinc oxide and eugenol cement
4) Gutta-percha
ADC Test Answer: 3
Zinc oxide eugenol cement (ZOE) is preferred for obturation in primary teeth due to its good sealing properties and resorbability, which is important for the eventual eruption of the succedaneous permanent tooth.
The upper lip is the result of fusion between the:
1) Maxillary and mandibular processes.
2) Maxillary and lateral nasal processes.
3) Maxillary and medial nasal processes.
4) Medial and lateral nasal processes.
Growth & Development Answer: 3Cleft lip occurs when the maxillary and lateral nasal processes fail to fuse during embryogenesis, leading to an incomplete upper lip.
What is the suitable restoration approach for a Class III jaw relationship with limited coronal height?
1) Provide a gold onlay
2) Provide a full crown
3) Increase vertical dimension
4) Crown lengthening
An adhesively retained gold onlay is ideal for teeth with limited coronal height due to its ability to conserve tooth structure while providing durability.
The cricothyroid artery is a branch of the 1. occipital artery 2. superior thyroid artery 3. facial artery 4. superficial temporal artery
Anatomy Answer: 2The cricothyroid artery is a branch of the superior thyroid artery
What type of epithelium lines exocrine glands?
1) Squamous
2) Transitional
3) Columnar or cuboidal
4) Stratified
Exocrine glands are typically lined with columnar or cuboidal epithelial cells, which are specialized for secretion.
Enamel most likely effected by deficiency of vitamin A
Which blood vessels have softer walls?
1) Arteries
2) Veins
3) Arterioles
4) Capillaries
Veins have thinner walls and are more compliant than arteries, allowing them to accommodate varying volumes of blood.
A3 shades of composite resins should be light-cured in increments limited to a
maximum of
1) 0.50mm.
2) 1.00mm.
3) 1.50mm.
4) 2.00mm.
To ensure complete curing and avoid inadequate polymerization, A3 shades should be cured in layers no thicker than 2mm.
Which of the following is NOT a type of cognitive-behavioral therapy used in managing dental anxiety?
1) Systematic desensitization
2) Guided imagery
3) Dental hypnosis
4) Exposure therapy
While hypnosis can be used in dentistry for pain management and relaxation, it is not typically classified as a form of cognitive-behavioral therapy. Exposure therapy, systematic desensitization, and guided imagery are examples of cognitive-behavioral techniques.
The orthodontic correction of which of the following is most easily retained
1) Anterior cross bite
2) Crowding
3) Diastema
4) Spacing
SOLUTION The key to success is to use an appliance that is both comfortable, easily retained and predictable such as a simple Hawley retainer with recurve springs or a fixed labial-lingual appliance (including a vertical removable arch for ease of adjustment with a recurve spring to jump the cross-bite). Both of these appliances work by tipping the maxillary teeth forward so they are in a normal dental relationship to the mandibular teeth.
what do u understand by isograft
1.bone taken frm same individual
2.bone taken frm genetically same individual
3.bone taken frm identical twin
4.bone taken frm same individual
A graft of tissue that is obtained from a donor genetically identical to the recipient.
Which dental material is known for its use as a direct restorative material?
1) Resin composite
2) Glass ionomer cement
3) Amalgam
4) All of the above
Resin composites, glass ionomer cements, and amalgam are all commonly used direct restorative materials in dentistry.
What should be included in the patient's medical history section of the dental record?
- Allergies and medication use
- Social history, such as smoking and alcohol intake
- Previous dental treatments and surgeries
- All of the above
A patient's medical history should include allergies, medication use, social history, and dental history to provide a comprehensive overview of the patient's health, which can affect treatment decisions and patient care.
A positive and prolonged reaction to a heat stimulus indicates that the pulp is
1) necrotic
2) in an early hyperemic state.
3) normal.
4) irreversibly damaged
A positive and prolonged reaction to a heat stimulus typically indicates that the pulp is irreversibly damaged. This prolonged response suggests that the nerve fibers are still responding to the stimulus, but the damage is significant enough that the pulp is not capable of healing, indicating a need for endodontic treatment.
Which of the following drugs can cause methemoglobinemia?
1) Lidocaine
2) Procaine
3) Prilocaine
4) Bupivacaine
Prilocaine is a local anesthetic that can cause methemoglobinemia.
Which of the following drug can be accumulated in foetus in very significant amount if given to pregnant mother:
1) Thiopentone
2) Propofol
3) Midazolam
4) Lignocaine
Local Anesthesia Answer: 4
Lignocaine Local anaesthetic and opioids are bases.
Following trauma to the tooth, if there is no response to pulp tests the next day you should:
1) Review again later
2) Start endodontic treatment
3) Extraction of tooth
4) Perform additional sensibility tests
ADC Test Answer: 1
Initial negative responses may not indicate pulp necrosis, as the pulp could still be viable, so follow-up is essential to confirm the diagnosis.