In general, deciduous 20, 32 permanent teeth. All deciduous teeth in the name of the center line on both sides of the two front teeth called incisors in the milk, followed by milk, said the two lateral incisor teeth, again for both sides of the teeth Rujian (commonly known as Hu Ya, dog), Back to the first primary molars and second primary molars. Followed by the name of the permanent central incisors, lateral incisor teeth, canine, premolars in the first, second premolars, the former canine teeth names, also known as double, back to the first molar (commonly known as the age of six teeth), Molar in the third molars (commonly known as wisdom teeth). Upper and lower teeth are symmetrical about. Permanent teeth of human life is the main organ chewing, and the age of six teeth in chewing organ also bear the main functions of chewing, chewing it is a muscle, temporal muscle, the muscle-wing and wing muscle, such as chewing muscle force of the mid-point, 60-70kg able to withstand the chewing pressure on the age of six can also stimulate chewing teeth and jaw muscle development, and to maintain the normal order of the key permanent teeth, dental age of six can be seen on the maxillofacial development, and the chewing process The importance of there. http://health- pain.blogspot.com/2008/12/teeth-names.html