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International Journal of Morphology

On-line version ISSN 0717-9502


MARIEL CARDENAS, Jairo et al. Morphological Analysis of Lip Thickness in Mesofacial and Braquifacial Patients of a Mexican Population. Int. J. Morphol. [online]. 2015, vol.33, n.4, pp.1282-1286. ISSN 0717-9502.

The mean of this study was to determinate the differences between lip thickness and lip projection in mesofacial and brachyfacial patients of a Mexican population using the Arnett & Bergman cephalometric analysis. 120 cephalograms were evaluated using linear and angular measurements of the soft tissue analysis. In this study it was evaluated: occlusal plane with the upper incisive, occlusal plane with the upper incisive, interincisal angle, upper and lower lip thickness, nasolabial angle, interlabial gap, upper and lower lip projection and true vertical plane from nasion-menton. The ANOVA test was performed using Minitab (15 version) statistical analysis software to indicate the differences between the groups. No statistical significance was found in the occlusal plane with the upper and lower incisive, interincisal angle, nasolabial angle, interlabial gap and upper and lower lip projection. Statistical significance was found in women: upper lip thickness (p0.007), lower lip thickness (p0.001) and true vertical plane from nasion-menton (p0.001) and a statistical significance in men: lower lip thickness (p0.033), lower lip projection (p0.039) and true vertical plane from nasion-menton (p0.001). This measurement shows soft tissue differences between the facial growth patterns. A lip thickness difference was found between mesofacial and brachyfacial individuals.

Keywords : Soft tissue analysis; Lip thickness; Lip projection.

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