There are four different types of teeth in human beings. They are:
(i) Incisors: situated in front of buccal cavity and are used for cutting and biting of food.
(ii) Canines. Situated next to incisors on both sides and are used for tearing food.
(iii) Premolars: Situated next to canines on both the sides and are used for crushing and grinding food.
(iv) Molars: Situated in outermost position and are used for crushing and grinding food.