舌咬伤按咬伤原因分,有自伤和他伤。按受伤程度分,有不全断离伤和完全断离伤。诊断上应注意的方面有:咬伤伤缘齿痕明显,自伤伤口呈前凸弧形,他伤则相反。一、舌组织血管丰富,舌体受伤,特别是完全断离伤,出血多,易致失血性休克。即使未出现休克症状,也只是失血量未超过全身血量的20%,机体代偿作用所 The tongue bite according to the reasons for bites, there is self-injury and his injury. According to the degree of injury, there are incomplete broken away from injury and completely broken away from injury. Diagnosis should pay attention to the aspects of: bite wound edge obvious marks, self-injury wound was convex arc, his injury is the opposite. First, the tongue tissue rich in blood vessels, tongue body injury, especially completely off the injury, bleeding and more prone to cause hemorrhagic shock. Even if no symptoms of shock, only blood loss does not exceed 20% of the body’s blood volume, the body compensatory role