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International Journal of Morphology

On-line version ISSN 0717-9502


POZZER, Leandro; OLATE, Sergio; ASPRINO, Luciana  and  MORAES, Marcio de. Are there Differences in the Mandibular Morphometry in Patients who are Candidates for Orthognathic Surgery? Part 1: Influences of Facial Class. Int. J. Morphol. [online]. 2009, vol.27, n.3, pp.751-756. ISSN 0717-9502.

Dentofacial deformities (FDA) facial alterations are well known. These disorders can present clinically with subsequent anterior, vertical, horizontal alterations that can be isolated or combining some of them. The surgical approach of these alterations has been extensive study in the last 50 years, where the bone morphometric characteristics have a crucial role. It was developed in a cohort study of patients who consulted for orthognathic surgery between 2002 and 2008 in the Division of Oral and Maxillofacial Surgery of the FOP-UNICAMP. Panoramic radiographs were studied by setting the variables as class analysis of facial, mandibular ramus, mandibular body, and inferior alveolar foramen mental foramen, establishing statistical relationships and proportions with Chi-square test with statistical significance when p <0.05. Forty-six patients completed the inclusion criteria. Of these, 18 were class II and 28 were Class III, in general, there was no statistical difference between the analyzed variables. However, differences in the proportions studied, where the position of the inferior alveolar foramen varies between facial classes. We conclude that in this group of 46 patients there were no differences in the mandibular morphometry when compared patients with Class II facial type and type III.

Keywords : Facial type; Mandibular morphometry; Dentofacial deformities.

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