Dental microwear and mechanisms in early hominids from Laetoli and Hadar

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Abstract

The dentition of early hominids from Laetoli and Hadar provide evidence of “incisal stripping” and a shear-grinding action for C/P3 complex through microscopic examination of wear facets on dental crowns. This masticatory pattern of dental wear resembles that of Papio papio and suggests behavioral analogies between early hominids and Papio.

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