新鲜咬伤痕通常是一种与咬人者上下牙弓各相对应的双弧形挫伤或裂伤。如出现这种典型形态则可认定咬伤无疑。但有时咬伤仅见双弧形的一部分,则需采用其它方法来证实是否咬伤。被害人软组织的咬痕可有几个特征,即上皮穿透、水肿、挫伤和胶原纤维变形。取皮肤 A fresh bite is usually a double curved contusion or laceration that corresponds to the upper and lower dental arch of a bite. Such as the emergence of this typical form may be identified bites no doubt. But sometimes bites only see part of the double arc, you need to use other methods to confirm whether the bite. Bite marks from the victim’s soft tissue can have several features, namely, epithelial penetration, edema, contusion and collagen fiber deformation. Take the skin