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在牙科法医学实践中,咬痕和其它工具损伤痕迹一样,常常是攻击和自卫结果的反映~([1])。据国内外资料报道,咬痕在凶杀、自杀、意外案件中均可见到,并多见于性犯罪和虐童案件~([2~6])。而人类口腔及其牙列因其本身形态、大小、各种生理特征和治疗操作的差异具有明显的个体差异性和相对稳定性,故形成的咬痕也具有特异性,为咬痕同一认定提供了科学的依据~([7])。正是因为咬痕有明显的个体差异性及相对稳定性,其在法医学个人同一认定中如同
In dental forensic practice, bite marks, like the traces of other tools, are often a reflection of attacks and self-defense outcomes (1). According to domestic and foreign information, bite marks can be seen in homicide, suicide and accidental cases, and are more common in cases of sexual crimes and child abuse ([2 ~ 6]). The human mouth and its dentition due to its own shape, size, various physiological characteristics and treatment of the differences have significant individual differences and relative stability, so the formation of the bite marks are also specific, for the bite marks provide the same identification science The basis of ~ ([7]). It is precisely because there is a clear individual bite marks the individual differences and the relative stability of the forensic individuals in the same identification as