Abstract
The incidence of tooth wear was studied in a wild troop ofM. fuscata, that had previously been transplanted from Arashiyama, Japan, to Texas. This study was undertaken to determine differences of attrition between males and females, and between maxillary and mandibular dentitions. Contrary to other findings, the rate of wear was not found to be an expression of sex difference, but seemed rather related to function. The following observations may suffice as examples: The mandibular third premolars function as a honing surface for the maxillary canines, and experience greater wear over time in males due to their proximity to smaller canines which leave their neighbors more vulnerable to wear.
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