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中文摘要：
本文通过对牛河梁遗址出土的31例红山文化时期人类牙齿龋病的统计与分析,获知：1）牛河梁遗址男女两性的患龋率、龋齿率没有明显的性别差异;2）他们的患龋率和龋齿率有随年龄增长逐步增高的趋势;3）上颌的龋齿罹患率高于下颌;4）龋齿的发生主要集中在臼齿,且以咬合面部位为主;5）他们的患龋率和龋齿率均较低。牛河梁红山文化人群相对偏低的龋齿率可能暗示出他们的经济生活方式还处在以采集狩猎为主体的模式中,农耕经济可能处于较低层次的状态。
英文摘要：
This paper describes human dental caries from the Hongshan culture at Niuheliang sites in Liaoning Province.Thirty-one pieces of human bone were surveyed of 15 males,10 females,and 6 of unknown sex.Some 425 fragments of human teeth were also analysed including 204 maxillary teeth and 221 mandibular teeth.The following conclusions were determined： the prevalence rate of Niuheliang populations was 16.13%,whereas the dental caries rate was 1.41%,with neither rate showing any significance differences between the sexes,even though both rates tended to increase gradually with age.The caries rate of the maxillary teeth was higher than the mandibular teeth,with most dental caries appearing in molars.Compared to other ancient populations,the Niuheliang group has lower prevalence and dental caries rates,which may imply that the hunting and gathering as opposed to agriculture was the primary mode of their economy.
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