MDS PREP
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.
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.
Which of the following factors are considered for prescribing fluoride tablets for a child
1) Age and weight of the child
2) Age of child and fluoride content of water
3) Age of the child only
4) None of the above
Community Dentistry
Answer: 2
Recommended Doses of Fluoride Tablets
For Children Aged 6 Months to 4 Years:
Liquid drops are typically prescribed in doses of 0.125, 0.25, and 0.5
mg of fluoride ion.
For Children Aged 4 Years and Older:
Chewable tablets or lozenges are recommended, usually at doses of 0.5 mg
to 1 mg of fluoride ion.
Adjustments Based on Water Fluoride Levels:
Doses may be adjusted based on the fluoride content in the child's
drinking water to ensure adequate protection against dental caries.
Duration of Supplementation:
Fluoride supplementation is generally continued until the child reaches
16 years of age, depending on their fluoride exposure and dental health
status.
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
Dental X-ray films (or any other patient record) belongs
1) Always to patient
2) Always to dentist
3) Both the above
4) None of the above
Community Dentistry
Answer: 2
Patient records, including dental X-ray films, are typically the property of the dentist who created them. The dentist is responsible for maintaining, storing, and safeguarding these records according to legal and professional standards. However, patients do have the right to access and obtain copies of their records.
Waste water from kitchen is
1) Sullage
2) Sewage
3) Garbage
4) Kitchen water
Community Dentistry
Answer: 1
"Sullage" refers specifically to the waste water generated from sinks, baths, and kitchens that does not contain human waste. "Sewage" includes waste that may contain pathogens and is typically discharged from toilets. Thus, kitchen waste water is more accurately described as sullage.
Grievance injury to the tooth structure is punishable under
1) IPC-302
2) IPC-304
3) IPC-306
4) IPC-307
Community Dentistry
Answer: 4
Indian Penal Code (IPC) Section 307 pertains to grievous injuries, including those involving permanent damage to body structures like teeth. This section deals with causing life-threatening harm or injuries resulting in long-term disability.
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.