Question 23 · LDEK · Caries risk assessment and prevention
On the basis of the data given below, indicate the mean DMFT index for the population of 10 people (DMFT index value for each person is: 3,5,0,0,0,7,0,0,12,8):
- A. mean DMFT index 9.0.
- B. mean DMFT index 5.5.
- C. mean DMFT index 7.0.
- D. mean DMFT index 3.5.
- E. mean DMFT index 2.5.
Hint
Add all individual scores and divide by the number of people examined, including the caries-free ones.
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