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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Compared with other hominoids, the Pan paniscus canine revealed a definite sexual dimorphism in size, shape and structure, which may reflect an intimate social structure of the multi-male unit.
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References

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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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TLDR
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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TLDR
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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TLDR
In connection with continuing studies on X-chromosomal determination of intraindividual tooth-size variability, the sex difference in absolute tooth size was concerned with, using mesiodistal crown diameters of 243 middle-class, Ohio, white children, measured by one of us throughout.
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TLDR
The discriminant function analysis reveals that the two species may be distinguished by tooth dimensions alone except in the dimensional range where over-lapping is expected.
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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
  • 1967
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