Genetic Control of Sexual Dimorphism in Tooth Size

@article{Garn1967GeneticCO,
  title={Genetic Control of Sexual Dimorphism in Tooth Size},
  author={StanleyM. Garn and ARTHUR B. Lewis and Daris Ray. Swindler and Rose S. Kerewsky},
  journal={Journal of Dental Research},
  year={1967},
  volume={46},
  pages={963 - 972}
}
The existence of sexual dimorphism in the size of the permanent teeth is a well-known attribute of primates, particularly so for the canine teeth, in which the magnitude of the sex difference in the mesiodistal crown diameter may equal 50 percent or even more. However, little attention has been given until recently to the extent of sexual dimorphism in the remaining teeth of various primates and to variations in the magnitude of sexual dimorphism and the patterning of sexual dimorphism in… 
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TLDR
This work has shown that sexual dimorphism in the size of permanent teeth is usually greatest for the canine tooth in Hylobates agilis and Homo sapiens and by nearly as much as 80 per cent in Papio anubis.
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While sex clearly affects tooth size throughout the dentition, dimorphism is particularly large for baby teeth, and reduction in tooth number has been related to reduced size and morphological complexity of the remaining teeth.
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It might be surmized that the larger canine of the male represents the phylogenetical trace of the striking sexual difference prevailing in the animal kingdom.
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Sex Difference in Tooth Size , J . Dent . Res . , 43 : 306 , 1964 . J . dent . Res . Supplement to No . 5 3 . Communalities in the Size Differences of Teeth of Brothers and Sisters , Arch
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