Impact of facial bone deformity on nasal shape

Abstract

Aim: The aim of this study was to analyze nose shape and size in subjects with sagittal facial deformities.

Methods: One hundred fifteen subjects were included for orthognathic surgery; the previous cone bean computed tomography was used to perform the analysis. The sample consisted of 46 males (40%) and 69 females (60%); the nasal morphology in frontal view and profile, the deviation of the nasal septum, the skeletal class and the sagittal position of the maxilla were compared using the Spearman test, considering a P value < 0.05.

Results: Males had a greater vertical nasal skeletal measurement (P = 0.0006), greater cartilaginous nasal height (P = 0.0001) and greater horizontal distance between the A point and Prn (P = 0.001). Considering the sagittal position of the maxilla, subjects with maxillary prognathism had a higher nasal morphology value than subjects with a retrognathic maxilla. In addition, nasal septum deviation was statistically related to facial class II (P = 0.03) with significantly more deviation than class III subjects.

Conclusion: It may be concluded that there are variables in facial deformities related to nose shape and have to be included in the surgical plan for orthognathic surgery or rhinoplasty.

Keywords

Facial deformity / nasal shape / orthognathic surgery / rhinoplasty

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