Richards L C
Am J Phys Anthropol. 1984 Sep;65(1):5-13. doi: 10.1002/ajpa.1330650103.
Dental attrition scores from two distinct Australian Aboriginal populations were compared by principal axis analysis. The first group was composed of members of the Narrinyeri group who occupied the river basin and mouth of the River Murray. The second group consisted of members of the Kaurna tribe who occupied the coastal plain to the west of the Narrinyeri. The groups were isolated both physically and culturally and as a result differences in patterns of tooth wear might be expected. In the Narrinyeri sample, attrition tended to be more rapid in females for all but the anterior teeth. The only sex difference in the Kaurna was for the maxillary central incisors, which wore more rapidly in females. Interpopulation differences in the pattern of tooth wear were also evident. The incisors, canines, and premolars of Kaurna subjects tended to wear more rapidly, while the rate of posterior tooth wear tended to be greater in the Narrinyeri. The application of the principal axis method to quantitative attrition data provided a sensitive, objective evaluation of tooth wear. The reasons for the observed differences between the two groups are still not completely clear but may reflect both functional and morphological differences between groups.
通过主轴分析比较了两个不同的澳大利亚原住民群体的牙齿磨耗评分。第一组由居住在墨累河流域和河口的纳林耶里群体的成员组成。第二组由居住在纳林耶里以西沿海平原的卡乌纳部落的成员组成。这两个群体在地理和文化上都是隔离的，因此牙齿磨损模式可能存在差异。在纳林耶里样本中，除了前牙外，女性的磨耗往往更快。卡乌纳人中唯一的性别差异在于上颌中切牙，女性的磨损更快。群体间牙齿磨损模式的差异也很明显。卡乌纳受试者的切牙、尖牙和前磨牙磨损往往更快，而后牙磨损率在纳林耶里往往更高。将主轴方法应用于定量磨耗数据，为牙齿磨损提供了敏感、客观的评估。两组之间观察到的差异的原因仍不完全清楚，但可能反映了群体之间的功能和形态差异。
