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NEETMDS- Community Dentistry mcq
MDS PREP

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.


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

Revised Dean"s fluorosis index has
1) Five point scale
2) Six point scale
3) Seven point scale
4) Nine point scale
Community Dentistry Answer: 2

The word "statistically significant" is a result of study indicating
1) Results have not occured by chance
2) Without practical significance, it has little meaning
3) It may no have clinical significance
4) All of the above
Community Dentistry Answer: 4

Which of the following levels of fluorides in drinking water is associated with enamel fluorosis but not with skeletal flourosis?
1) 0.2 ppm
2) 0.7 ppm
3) 2.5 ppm
4) 1.2 ppm
Community Dentistry Answer: 3

Personal oral hygiene care is dependent on
1) Age of the patient
2) Oral health of the patient
3) Manual dexterity
4) All of the above
Community Dentistry Answer: 4

An investigator wants to study the association between maternal intake of iron supplements (Yes or No) and birth weight (in g) of newborn babies. Relevant data from 100 pregnant women and their newborns. What statistical test of hypothesis is advised in this situation?
1) Chi-square test
2) Unpaired or independent t-test
3) Analysis of variance
4) Student t-test
Community Dentistry Answer: 1

A variable that can be controlled (or) manipulated is
1) Discrete variable
2) Independent variable
3) Dependent variable
4) Parameter
Community Dentistry Answer: 2

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