On the etiology of interproximal grooves.

@article{Frayer1991OnTE,
  title={On the etiology of interproximal grooves.},
  author={David W. Frayer},
  journal={American journal of physical anthropology},
  year={1991},
  volume={85 3},
  pages={299-304}
}
The recent suggestion by Brown and Molnar (1990) that the common etiology of sinew processing is responsible for the production of interproximal tooth grooves is contested. Based on a review of the Australian evidence and presentation of a previously undescribed dentition from Central Europe, it is argued toothpicks are a likely cause of many artificial grooves in human teeth. 

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