Question

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

• A. I $\frac{2}{2}$, C $\frac{1}{1}$, PM $\frac{0}{0}$, M $\frac{2}{2}$
• B. I $\frac{2}{2}$, C $\frac{1}{1}$, PM $\frac{2}{2}$, M $\frac{3}{3}$
• C. I $\frac{1}{1}$, C $\frac{2}{2}$, PM $\frac{2}{2}$, M $\frac{3}{3}$
• D. I $\frac{2}{2}$, C $\frac{2}{2}$, PM $\frac{1}{1}$, M $\frac{3}{3}$

Answer 1

The correct option is A I $\frac{2}{2}$, C $\frac{1}{1}$, PM $\frac{0}{0}$, M $\frac{2}{2}$

The dental formula of a child is I $\frac{2}{2}$, C $\frac{1}{1}$, PM $\frac{0}{0}$, M $\frac{2}{2}$, (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.