Brewer-Carias C A, le Blanc S, Neel J V
Am J Phys Anthropol. 1976 Jan;44(1):5-14. doi: 10.1002/ajpa.1330440103.
Data are presented on the frequency of the following eight dental traits in 635 Yanomama and 65 Makiritare Indians: upper central incisor rotation or winging, shoveling of maxillary incisors, maxillary molar hypocone reduction, Carabelli's trait, mandibular molar cusp number, mandibular molar cusp pattern rotation of second lower premolar, and pattern of second lower premolar cusps. Yanomama dentition is unusual in the high frequency of six cusps on the mandibular molars. There is marked dental microdifferentiation between villages; significant agreement was observed between a matrix of pairwise "dental distances" based on six morphological traits and corresponding matrices based on 11 genetic systems and on geographic location.
本文呈现了635名亚诺玛米印第安人和65名马基里塔雷印第安人以下八种牙齿特征的出现频率：上颌中切牙旋转或翼状、上颌切牙的铲形、上颌磨牙次尖减少、卡氏特征、下颌磨牙尖数、下颌磨牙尖模式、下颌第二前磨牙旋转以及下颌第二前磨牙尖模式。亚诺玛米人的牙列在下颌磨牙六尖出现频率高这方面较为独特。不同村庄之间存在明显的牙齿微分化；基于六种形态特征的成对“牙齿距离”矩阵与基于11个遗传系统和地理位置的相应矩阵之间观察到显著一致性。
