The food that people and animals consume leaves microscopic traces on teeth in predictable ways, and analyses of these markings—known as dental microwear analyses—allow us to reverse engineer the characteristics of diet. However, the microwear features of modern human diets are most often interpreted through the lens of ethnographic records. Given the subtle variation within human diets when compared to other species, we need better models of how foods and processing techniques produce marks on teeth. Here, we report on the second study to target the occlusal surface microwear of living human populations, and the first to target populations other than foragers.

中文翻译：

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将牙科微磨纹理分析应用于生活：挑战与前景

人和动物食用的食物以可预测的方式在牙齿上留下微观痕迹，对这些标记的分析（称为牙齿微磨损分析）使我们能够对饮食的特征进行逆向工程。但是，现代人类饮食中的微穿戴特征通常是通过人种志记录来解释的。鉴于人类饮食与其他物种相比存在细微的差异，我们需要更好的食物和加工技术如何在牙齿上产生痕迹的模型。在这里，我们报告第二项针对居住人口的咬合表面微磨损的研究，而第一项针对除觅食者以外的人群的研究。