牙齿是最不易腐烂的器官之一,中切牙、侧切牙切缘端缺损成因的推断在刑事案件及灾害事故无名尸体的个体识别中具有重要的意义。本文就牙齿磨损、缺损的鉴别及其成因椎断进行讨论,并且提出了生理性、硌损类、对刃颌及不全对刃颌所致的缺损。1切牙切缘端缺损的命名根端:缺损空间 Teeth is one of the most perishable organs. The reasoning of the causes of the incisors in the incisors and incisors is of great significance in the individual identification of unnamed corpses in criminal cases and disasters. In this paper, the discussion of tooth wear, the identification of defects and the causes of vertebral fractures are discussed, and the defects caused by physiology, impaired teeth, incisors and incisors are proposed. 1 incisors cut end of the named root defect: defect space