Chapter 22, Problem 16CYU

Summary Introduction

To review:

The category of the lower central incisor of Tina which is “fell out” at the age of seven years, as primary or permanent tooth.

Introduction:

The teeth plays an important role in food processing, by means of mastication and chewing. The process of mastication and chewing of food involves the opening and closing of jaws along with their side to side movement with the help of tongue. In this process, teeth are important for the tearing and grinding of the food, thus helps in breaking the food into smaller fragments. Teeth are divided into different categories based on their function like incisors, canines, premolars and molars.