外力作用致牙损伤并不少见,部分牙损伤程度评定存在一定困难。《人体轻伤鉴定标准(试行)》第十二条(二)款规定:牙脱落或者折断两枚以上,应评定为轻伤。但对部分年龄较大,且又不如实陈述受伤情况及牙齿健康状况的伤者,给损伤程度的评定带来一些困难。本文报道3例牙损伤鉴定案例,供同仁参考。1案例资料例1张某,男,35岁。被拳击致面部出血,牙齿 External injuries caused by tooth damage is not uncommon, some degree of tooth damage assessment there is some difficulty. Article 12 (2) of the “Criteria for the Criteria for Minor Wound Sickness (Trial)” stipulates that if a tooth falls off or breaks two or more, it shall be assessed as a minor wound. However, some of the older, and not truthfully state the injuries and dental health injuries, to assess the degree of damage to bring some difficulties. This article reports 3 cases of tooth damage identified cases for my colleagues reference. 1 case data example 1 Zhang, male, 35 years old. Boxer caused facial bleeding, teeth