They are mineralized tissue structures through which we can chew food, a step essential for proper digestion. Their structure, their number and arrangement varies in children and adults.
1. Number
Types. There are four types of teeth: incisors, canines, molars and premolars.
The primary dentition, deciduous or deciduous, is composed of what is known of teeth “baby”.
It consists of 20 teeth arranged in the jaws, upper and lower. He distinguishes eight incisors, four canines and eight molars. Coforme the child grows it will start dropping these teeth and permanent teeth appear. Thus there is a time when the child’s mouth are two types of teeth.
The permanent or permanent dentition comprises 32 teeth between which there are 8 incisors, 4 canines, 8 premolars and 12 molars.
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