MDS PREP
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.
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.
Emancipated minor is
1) Child of divorced parents
2) Minor away from home
3) Both the above
4) None of the above
Community Dentistry
Answer: 2
emancipated minor is someone who is under the age of majority (typically 18 years old) but is legally recognized as independent from parental control. This often occurs when a minor has established their own living situation, particularly if they are living away from their parents or guardians. The condition of being away from home does not necessarily imply that a minor is emancipated; it requires meeting specific legal criteria.
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.
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.
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
The usual metabolic pathway of ingested fluoride involves urinary excretion primarily with the remaining portion found largely in
1) Teeth
2) Muscle
3) Skeletal tissues
4) Liver
Community Dentistry
Answer: 3
Fluoride is absorbed in the gastrointestinal tract and is distributed throughout the body. A significant portion of ingested fluoride is excreted through urine. However, fluoride also accumulates in skeletal tissues, including bones and teeth, where it can contribute to the mineralization process and enhance resistance to dental caries. The skeletal system retains fluoride, which can be beneficial in small amounts but may lead to toxicity if excessive.