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Oral epidemiology studies provide information on the following topics, EXCEPT:

A. The data is used to identify populations at risk of oral disease. B. The data compare regional similarities. C. The data compare differences in dental care between populations. D. The data is used to assess average salivary pH.

What is the correct term for the proportion of individuals with a disease in a population at a specific point in time?

A. Incidence B. Prevalence C. Trend D. Index

What is the correct term for the changes in prevalence or incidence of disease with respect to time, location, or socioeconomics?

A. Validity B. Ordinal C. Trend D. Index

All of the followings are types of measurement scales for indices EXCEPT:

A. Ordinal B. Mean C. Interval D. Reversible

An index must be designed to measure the aspect of disease it is intended to measure, corresponding to the clinical stages of the disease. This statement defines which of the following terms?

A. Quantifiability B. Reliability C. Objectivity D. Validity

Which of the following is true about the DMF index?

A. It is expressed as the total number of teeth or surfaces that are decayed, missing, or filled. B. It is expressed only as the total number of teeth that are decayed, missing, or filled. C. It is applied to permanent and primary dentition. D. It is a new measure of caries experience.

What is the score range of the DMFS index?

A. 0 to 20 B. 0 to 28 or 32 C. 0 to 128 or 148 D. 0 to 88

Which index calculates the number of surfaces that are decayed, missing, or filled in primary dentition?

A. DMFS B. dmft C. dmfs D. DMFT

Which of the following are types of teeth not counted in calculating DMFT and DMFS?

A. Unerupted teeth B. Congenitally missing teeth C. Supernumerary teeth D. Erupted teeth

Which of the following is a limitation of DMF indices?

A. They do not account for sealed teeth. B. They only count five surfaces on the posterior teeth. C. They do not count unerupted teeth as missing. D. They count a defective filling as an F.

What types of oral health data was NOT collected with the NHANES surveys?

A. Dental history B. Periodontal status C. Caries D. Average number of patients seen daily by each dentist and hygienist.

Which statistic accurately reflects the percentage of caries-free children in 2011-2016?

A. 21.8% of children aged 2 to 5 are caries-free. B. 75.8% of children aged 2 to 5 are caries-free. C. 28% of children aged 6 to 11 are caries-free. D. 50.1% of children aged 12 to 15 are caries-free.

Which of the following statements about the findings of the NHANES survey with regards to dental caries in children is true?

A. Caries prevalence differs significantly based on gender. B. There are no differences in caries prevalence based on race. C. Untreated decay is highest in children living below the federal poverty line (FPL). D. The prevalence of untreated decay rose significantly between 1988–1994 and 1998–2004.

What was one of the key similarities noted with regard to adult caries when comparing data from 1999–2004 to 2011-2016 reports?

A. About 18% of men have no increase in caries. B. About 35% of men and 43% of women had untreated decay during each time period. C. Women and men continue to have an equal prevalence of coronal and root caries. D. About 1 in 4 adults aged 20–64 years and 1 in 6 older adults aged 65 years or older had untreated tooth decay.

Which of the followings is a likely reason for women to have higher DMF scores?

A. Female hormones make them more susceptible to caries. B. Women seek dental care more frequently than men. C. Women tend to not take good enough care of their teeth. D. Women experience later tooth eruption patterns.

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Caries Process and Prevention Strategies: Epidemiology Test Preview

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Caries Process and Prevention Strategies: Epidemiology
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