Question

Type of teeth found in a $16$ year old adolescent can be described as.

• A. Thecodont with dental formula $\frac{0021}{0021}$
• B. Homodont with dental formula $\frac{2102}{2102}$
• C. Diphyodont with dental formula $\frac{2122}{2122}$
• D. Thecodont with dental formula $\frac{1123}{1112}$

Answer 1

The correct option is B Homodont with dental formula $\frac{2102}{2102}$

Dentition is a phenomenon of arrangement of teeth in an individual. Human have heterodont teeth. They have two types of teeth, primary dentition or deciduous teeth and secondary dentition or permanent teeth. Primary teeth consists of 4 incisors, 2 canine and 4 molars in each jaw. Hence, there are total 20 teeth till the adolescent. Since all these teeth are of one type, these are called as homodont. The The four last permanent premolar teeth, the third molar teeth appear between the 17 to 25 years. These teeth are called as wisdom teeth.

Thus, the correct answer is 'Homodont with dental formula 2102/2102.'