Which one of the following is a correct dental formula for the child falling under age group 5-6 yrs?

I 22, C 11, PM 00, M 22

I 22, C 11, PM 22, M 33

I 11, C 22, PM 22, M 33

I 22, C 22, PM 11, M 33

A

I 22, C 22, PM 11, M 33

B

I 22, C 11, PM 00, M 22

C

I 22, C 11, PM 22, M 33

D

I 11, C 22, PM 22, M 33

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Solution

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The dental formula of a child is I 22, C 11, PM 00, M 22, (I=incisors, C=canine, PM=premolar, M=molar). Children do not have premolar and one molar. They lack 12 teeth that can be seen in adults. The total number of teeth they have is 20.

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