MDS PREP

A total of 500 patients of dental caries are identified and surveyed by patient interviews regarding caries. Such a study design is called
1) Case series report
2) Case control study
3) Clinical trial
4) Cohort study

Community Dentistry Answer: 1

Which of the following is an occupational disease of dentist
1) Syphilis
2) HIV
3) HBV
4) All the above

Community Dentistry Answer: 4

Which is applied once and left to dry
1) NaF
2) SnF
3) APF
4) Varnish

Community Dentistry Answer: 1

Sensitivity of a test is its ability to identify
1) True negative
2) False positive
3) False negative
4) True positive

Community Dentistry Answer: 4

Among the following, which is the best source of riboflavin?
1) 1 glass (250 mL) of milk
2) 2 slices of enriched bread
3) 1/2 cup of raw carrots
4) 1 medium-sized orange

Community Dentistry Answer: 2

A screening test is used in the same way in two similar population; but the proportion of false positive results among those who test positive in population A is lower than those who test positive in population B. What is the likely explanation?
1) The specificity of the test is lower in population A
2) The prevalence of the disease is lower in population A
3) The prevalence of the disease is higher in population A
4) The specificity of the test is higher in population A

Community Dentistry Answer: 4

Increase in which of the following properties of saliva is most likely to cause increase in caries activity
1) pH
2) Viscosity
3) Flow
4) Bicarbonate content

Community Dentistry Answer: 2

In school water fluoridation, amount of F used is
1) 0.7-1.2 ppm
2) 1.6-3 ppm
3) 3-4 ppm
4) 12 ppm

Community Dentistry Answer: 3

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MDS PREP

A total of 500 patients of dental caries are identified and surveyed by patient interviews regarding caries. Such a study design is called1) Case series report2) Case control study3) Clinical trial4) Cohort study

Which of the following is an occupational disease of dentist1) Syphilis2) HIV3) HBV4) All the above

Which is applied once and left to dry1) NaF2) SnF3) APF4) Varnish

Sensitivity of a test is its ability to identify1) True negative2) False positive3) False negative4) True positive

Among the following, which is the best source of riboflavin?1) 1 glass (250 mL) of milk2) 2 slices of enriched bread3) 1/2 cup of raw carrots4) 1 medium-sized orange

Increase in which of the following properties of saliva is most likely to cause increase in caries activity1) pH2) Viscosity3) Flow4) Bicarbonate content

In school water fluoridation, amount of F used is1) 0.7-1.2 ppm2) 1.6-3 ppm3) 3-4 ppm4) 12 ppm

Explore by subjects

A total of 500 patients of dental caries are identified and surveyed by patient interviews regarding caries. Such a study design is called
1) Case series report
2) Case control study
3) Clinical trial
4) Cohort study

Which of the following is an occupational disease of dentist
1) Syphilis
2) HIV
3) HBV
4) All the above

Which is applied once and left to dry
1) NaF
2) SnF
3) APF
4) Varnish

Sensitivity of a test is its ability to identify
1) True negative
2) False positive
3) False negative
4) True positive

Among the following, which is the best source of riboflavin?
1) 1 glass (250 mL) of milk
2) 2 slices of enriched bread
3) 1/2 cup of raw carrots
4) 1 medium-sized orange

Increase in which of the following properties of saliva is most likely to cause increase in caries activity
1) pH
2) Viscosity
3) Flow
4) Bicarbonate content

In school water fluoridation, amount of F used is
1) 0.7-1.2 ppm
2) 1.6-3 ppm
3) 3-4 ppm
4) 12 ppm