Namedifferent types of teeth and their number in an adult human.
Namedifferent types of teeth and their number in an adult human.
Thereare four different types of teeth in anadult human. They are as follows:
(i) Incisors
Theeight teeth in the front are incisors.There are four incisors each in the upper jaw and the lower jaw. Theyare meant for cutting.
(ii) Canines
Thepointy teeth on either side of the incisorsare canines. They are four in number, two each placed in the upperjaw and the lower jaw. They are meant for tearing.
(iii) Premolars
Theyare present next to the canines. They are eightin number, four each placed in the upper jaw and the lower jaw. Theyare meant for grinding.
(iv) Molars
Theyare present at the end of the jaw, next tothe premolars. There are twelve molars, six each placed in the upperjaw and the lower jaw.
Hence,the dental formula in humans is 
This means each half of the upper jaw and the lower jaw has 2incisors, 1 canine, 2 premolars, and 3 molars. Hence, an adult humanhas 32 permanent teeth.
Thereare four different types of teeth in anadult human. They are as follows:
(i) Incisors
Theeight teeth in the front are incisors.There are four incisors each in the upper jaw and the lower jaw. Theyare meant for cutting.
(ii) Canines
Thepointy teeth on either side of the incisorsare canines. They are four in number, two each placed in the upperjaw and the lower jaw. They are meant for tearing.
(iii) Premolars
Theyare present next to the canines. They are eightin number, four each placed in the upper jaw and the lower jaw. Theyare meant for grinding.
(iv) Molars
Theyare present at the end of the jaw, next tothe premolars. There are twelve molars, six each placed in the upperjaw and the lower jaw.
Hence,the dental formula in humans is
This means each half of the upper jaw and the lower jaw has 2incisors, 1 canine, 2 premolars, and 3 molars. Hence, an adult humanhas 32 permanent teeth.
