Differences in bite force between dolichofacial and brachyfacial individuals: Side of mastication, gender, weight and height

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Quiudini, Paulo Roberto
Pozza, Daniel Humberto
Pinto, Ary dos Santos [UNESP]
de Arruda, Mauricio Ferraz [UNESP]
Guimarães, Antonio Sergio

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Purpose Due to the bite force importance in functionality of the masticatory system, this study aimed to characterize it in dolichofacial and brachyfacial individuals. Methods A sample comprised by 190 patients was divided into two groups: 90 severe dolichofacial, and 100 severe brachyfacial individuals classified according to the VERT index and the face height ratio (Jarabak quotient). Bite force was measured by using an adjusted digital dynamometer and proper methodology. Results The sample met the parametric assumptions and presented statistical significance when right and left sides of dolichofacial and brachyfacial individuals were compared. However, within the same group, no differences between the left and right sides were found. Generally, bite force was higher for male, left masticator, age between 41–50 years, weighing over 100 kg and between 1.81 and 1.90 m tall. Conclusions Based on the results of this cross-sectional study, it was possible to conclude that the bite force in severe brachyfacial individuals was significantly higher than in severe dolichofacial individuals, being influenced by gender, weight and height.



Bite force, Facial pattern, Facial type

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Journal of Prosthodontic Research, v. 61, n. 3, p. 283-289, 2017.