Abstract
Objective: To perform a comparative analysis of the linear dimensions of the facial skull that are the most signifi cant in determining asymmetry in persons of diff erent sex on spiral computed tomograms (SCT).Materials and Methods: The CT scan of 104 people of both sexes (women – 52%, n = 54, men – 48%, n = 50) were studied. Measurements were made using a standard digital ruler of a computer tomograph workstation, and the asymmetry of the skulls was assessed using the “fan” method. The results were processed using the Excel program.Results: In the male and female series of SCT, according to the size of the intervals of sigma of linear dimensions of the facial skull, the occurrence rate of asymmetry of varying severity was determined.Conclusion: In the male series of SCT, right-sided asymmetry of the linear dimensions of the facial skull prevails in all “fans”, in the female – right-sided asymmetry in the upper and lateral “fans”, but left -sided asymmetry in the lower “fan”. Statistically signifi cant linear dimensions of the facial skull were revealed to determine the severity of asymmetry in both sexes. In the upper “fan”, these are the distances from the nasion to the zygomaxilar (N-Zm), from the nasion to the frontonazale (N-Fn), prevailing on the right in both sexes. In the lower “fan”– the distance from the supraspinal to the zygomaxilar (Ss-Zm), and in the lateral “fan” – the distance from the zygomaxilar to the frontonasal (Zm-Fn), prevailing on the right in both sexes. An insignifi cant or physiological and moderate degree of asymmetry in the size of the facial skull depending on gender was revealed, which did not require correction.
Highlights
In the male series of spiral computed tomograms (SCT), right-sided asymmetry of the linear dimensions of the facial skull prevails in all “fans”, in the female – right-sided asymmetry in the upper and lateral “fans”, but left-sided asymmetry in the lower “fan”
An insignificant or physiological and moderate degree of asymmetry in the size of the facial skull depending on gender was revealed, which did not require correction
Особенности асимметрии линейных размеров лицевых черепов жителей Юга России. // Фундаментальные исследования. – 2012. – No8-2. – С.279-284. eLIBRARY ID: 18304362
Summary
Половые особенности асимметрии лицевого черепа по данным спиральной компьютерной томографии. Цель: определить степень выраженности асимметрии линейных размеров лицевого черепа у лиц обоего пола на спиральных компьютерных томограммах (СКТ). Результаты: в мужской и женской сериях СКТ по величине интервалов сигм линейных размеров лицевого черепа определили частоту встречаемости асимметрии различной степени выраженности. Заключение: в мужской серии СКТ преобладает правосторонняя асимметрия линейных размеров лицевого черепа во всех «веерах», в женской – правосторонняя в верхнем и боковом «веерах», но левосторонняя асимметрия в нижнем «веере». Выявлены статистически значимые линейные размеры лицевого черепа для определения степени выраженности асимметрии у лиц обоего пола. В верхнем «веере» это расстояния от назион до зигомаксиляре (N-Zm), от назион до фронтоназале (N-Fn), преобладающие справа у обоих полов. В нижнем «веере» – расстояние от супраспинале до зигомаксиляре (Ss-Zm), в боковом – расстояние от зигомаксиляре до фронтоназале (Zm-Fn), преобладающие справа у обоих полов. Sexual features of facial skull asymmetry according to spiral computed tomography
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