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https://doi.org/10.14300/mnnc.2019.14062

Variability of odontometric indices in the aspect of sexual dimorphism

[Stomatology]
Alexandr Korobkeev; Dmitry Domenyuk; Vladimir Shkarin; Sergey Dmitrienko; Victor Mazharov;

Biometric examinations of jaw stone models and tomography images of 310 people (both genders) in their first adulthood stage with permanent teeth physiological occlusion were used to study the morphometric parameters of dental types and dental arches gnathic types in each patient. Odontometric procedure included evaluation of the crowns mesial-distal width involving the calculation of the arithmetic mean, the maximum and the minimum values, in order to estimate the deviations from the mean value (fluctuation). The outcomes suggest that there was no statistically significant difference between the odontometric parameters obtained from men and women. The significant variability in the frontal teeth size in women, compared with men, indicates that the size is only slightly dependent on gender, while is determined by the dental system type. In measurements done without taking into account the dental type, it can be hard to determine sexual dimorphism due to the fluctuating nature of the odontometric indices.

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Keywords: craniometry, sexual dimorphism, dental type, odontometry, normodontia