TEETH
There are 16+16=32 teeth in the mouth and are fixed in their sockets in the upper jaw (maxilla) and lower jaw (mandible) Teeth are arranged in curved form the front ones are for bitting and cutting the rear ones are for crushing and grinding the order of teeth from front to the back is incisors canine pre molars and molars
RIGHT : M P C I I C P M : LEFT
UPPER JAW : 3 2 1 2 2 1 2 3 : UPPER JAW
LOWER JAW : 3 2 1 2 2 1 2 3 : LOWER JAW
M=MOLAR: P=Premolar C= Canine I=Incisor.
A tooth has three parts: (1) Crown at the top (2) Neck in the middle and (3) Root at the bottom
The tooth is composed of three substances.They are: (1) Dentine (2) Enamel and (3) Cementum.
Dentine forms the major part of the tooth and has a bone like structure Enamel is the outermost covering that covers the crown of the tooth it is harder than the bone Cementum is in the neck and it is as hard as a bone 
fig longitudinal section of a Tooth
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