MDS PREP
The main site of absorption of ingested fluorides is
1) Esophagus
2) Stomach and small intestine
3) Small and large intestine
4) Large intestine
Community Dentistry
Answer: 2
Fluoride is absorbed primarily in the gastrointestinal tract, with the stomach and small intestine being the main sites of absorption. The acidic environment of the stomach facilitates the dissolution of fluoride, allowing it to be absorbed effectively. While some absorption occurs in the large intestine, the majority takes place in the stomach and small intestine
Most common aetiology of oral cancer in India is
1) Alcohol
2) Tobacco products
3) Syphilis
4) All of the above
Community Dentistry
Answer: 2
The most common aetiology of oral cancer in India is tobacco products (Answer: 2). The high prevalence of tobacco use, particularly in the form of betel quid with tobacco, paan masala, and other smokeless tobacco products, significantly increases the risk of developing oral cancer.
Public health dentistry is mainly concerned with the following health practices
1) Preventive and promotive
2) Promotive and therapeutic
3) Preventive and therapeutic
4) All of the above
Community Dentistry
Answer: 1
Public health dentistry is primarily concerned with preventive and promotive health practices (Answer: 1). It focuses on the prevention of oral diseases and the promotion of oral health through community-based programs, education, and policy implementation rather than solely on therapeutic interventions.
The dental records should be preserved for a minimum period of
1) 7 years from the data of last entry
2) 7 years from the data of first entry
3) 7 months from the data of last entry
4) 7 years from the data of first entry
Community Dentistry
Answer: 1
7 years from the date of last entry: Dental records are crucial for patient care, legal documentation, and professional accountability. The Dental Council of India (DCI) mandates the preservation of dental records for at least 7 years from the date of the last entry. This ensures that in case of any future reference or legal disputes, the records are readily available. It is essential for continuity of care and patient follow-up.
Which of the following teeth are application for simplified oral hygiene index
1) Lingual surface of 36, 46 and facial surface of 11, 16, 26, 31
2) Lingual surface of 31, 36, 46 and facial surface of 11, 16, 26, 31
3) Lingual surface of 11, 31 and facial surface of 16, 26, 36,46
4) None of the above
Community Dentistry
Answer: 1
The Simplified Oral Hygiene Index (OHI-S) is a tool used to assess oral hygiene status by evaluating specific tooth surfaces. The teeth mentioned in option 1 include the lingual surfaces of the lower first molars (36, 46) and the facial surfaces of the upper incisors and canines (11, 16, 26, 31). These surfaces are typically assessed because they are representative of overall oral hygiene and are commonly affected by plaque accumulation.
The OHI-S index developed by Green and Vermillion is used to measure
1) Dental caries
2) Gingivitis
3) Oral debris and calculus
4) Periodontal disease
Community Dentistry
Answer: 3
The OHI-S (Oral Hygiene Index-Simplified) is a clinical index developed to assess oral hygiene status by measuring the amount of oral debris and calculus present on the teeth. It provides a simple and effective way to evaluate the cleanliness of the mouth and is widely used in dental research and practice.
In "team dentistry", leader should
1) State his or her opinion first
2) Mention his or her point once and others a chance to speak
3) Not state his or her opinion first
4) None of the above
Community Dentistry
Answer: 3
Explanation:
In a team setting, it is often beneficial for the leader to allow team members to express their opinions first. This approach encourages open communication, fosters collaboration, and allows for a diversity of ideas before the leader provides their input.
Absorbed fluoride is eliminated by
1) Kidneys
2) Lungs
3) Saliva
4) Intestines
Community Dentistry
Answer: 1
Fluoride is absorbed into the bloodstream and is primarily eliminated from the body through the kidneys. The kidneys filter the blood and excrete fluoride in the urine. While small amounts of fluoride can also be excreted through saliva and sweat, the kidneys are the main route of elimination.