For example, the teeth are more primitive. there are large canines and unusually shaped incisors . 譬如，牙齿更为原始，有大的犬齿和非常合适的门齿。
2.
The incisors meet with a scissors grip 该门齿满足与剪刀抓地力。
3.
Mandibular central incisor 下颚正中门齿
4.
Maxillary central incisor 上颚正中门齿
5.
Deviations are level bites , extra premolars , missing incisors , premolars and / or back molars , and poor occlusion 水平咬合，多出的臼齿，缺失门齿、小臼齿及后面的臼齿,和闭合不正都属于缺陷。
6.
The case was a 12 years old girl with an impacted maxillary right canine and a supernumerary tooth located in between two central incisors 本文介绍一位12岁的女孩病例，临床检查发现上颚犬齿阻生以及门齿间一颗多生牙。
7.
The first group is the 6 incisors , the next group is the four premolars on the bottom and top of each side , and the final group is the three top molars and two molars on the bottom of each side 第一组是6颗门齿,第二组是每边的底部和顶端上的四个小臼齿，最后的一组是两边顶端三颗臼齿和底部的二颗臼齿。
