早在1883年，Schaaffhausen[1]首先提出牙大小存在着性别差异。人牙存在的性差，给法医学工作者判定性别提供了手段。现将有关文献的内容综述如下。一、牙性别差异的原因1．牙组织学上的原因牙是上皮组织和结缔组织的联合产物，前者产生釉质，后者产生牙本质、牙骨质和牙槽骨等 As early as 1883, Schaaffhausen [1] first proposed that there is a gender difference in tooth size. The existence of human teeth is poor, giving forensic workers a means of determining gender. Now the contents of the relevant literature are summarized below. First, the reasons for the difference between the teeth 1. Tooth Histology Tooth is a combination of epithelial tissue and connective tissue, the former producing enamel, the latter producing dentin, cementum and alveolar bone