Simulation using regression analysis transversal sizes of upper and lower jaw and sagittal performance of dental arch in young depending on the characteristics of odontometric and cephalometric indicators


  • А. V. Маrchenko
  • T. O. Petrushanko
  • І. V. Gunas
Keywords: healthy young men, regression analysis, odontometric, cephalometric indicators, transversal dimensions of the upper and lower jaw, sagittal dental arch characteristics

Abstract

The article describes the mathematical models transversal sizes of the upper and lower jaw and dental arch sagittal characteristics depending on the characteristics of odontometric and cephalometric indicators. Modeled 17 of 18 possible linear dimensions needed to build the correct form of the dental arch with determination coefficient from 0.640 to 0.889. Constructed models with a coefficient of determination more than 0.6 most often include the size of the teeth (71.3%, of which 18.9% accounted on upper incisors, 11.5% - on lower incisors, 8.2% - on the upper canines, 9.8% - on lower canines, 9.8% - on the small upper molars, 9.8% - on the lower small molars, 3.3% - on the first large upper molars) than cephalometric figures (28.7%). Among the dimensions of the upper and lower incisors, canines, small and first large molar teeth models most commonly includes the following indicators: mesio-distal sizes of teeth crowns (25.4%, of which 16.4% on the upper jaw); vestibular-tongue sizes (12.3%, of which 6.6% on the upper jaw) and width of dentin-enamel limit in mesio-distal direction (9.0%, of which 7.4% on the upper jaw). Among cephalometric indicators, models most often include: greatest head circumference (4.1%); transverse arch (2.5%); outwardly eye width (2.5%); ear diameter (2.5%).

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Published
2017-10-27
How to Cite
МаrchenkoА. V., Petrushanko, T. O., & GunasІ. V. (2017). Simulation using regression analysis transversal sizes of upper and lower jaw and sagittal performance of dental arch in young depending on the characteristics of odontometric and cephalometric indicators. Reports of Morphology, 23(1), 107-111. Retrieved from https://morphology-journal.com/index.php/journal/article/view/28
Section
ANTROPOLOGICAL STUDIES