The prevalence of dental caries in a community in the year 2000 and 2003 was 18% and 38% respectively. The incidence of caries for the same population in three years would be:
Correct Answer: 20%
Description: Hint:
Incidence = No. of new cases in a specified time (38-18 = 20%)
Prevalence = Incidence x Duration.
Incidence = Prevalence / Duration = P/D.
Category:
Dental
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