Heitor Fontes da Silva; Sergio Olate; Luciana Asprino & Márcio de Moraes

The aim of this research is to show a simple technique to obtain control in the alar base width in Le Fort I osteotomy. The technique was used in eighteen patients submitted to maxillary impaction and/or advancements (≥ 3 mm). Inter-alar width, alar base width and right/left nostril were studied before surgery and 6 months of follow-up. Data were reported as means and standard deviations; statistical analysis was realized by t test considering a p-value <0.05. Left nostril was modified 0.33 ± 1.03 mm, right nostril was modified 0.39 ± 0.98 mm after 6 months and inter-alar width show a decrease of 0.17 ± 1.15 mm. No statistical differences were observed between the preoperative and the postoperative measurements. Our results show this technique as effective in to obtain a stable position in nasal width.

KEY WORDS: Nasal width; Alar base; Le Fort I osteotomy; Orthognathic surgery.

DA SILVA, F.; OLATE, S.; ASPRINO, L. & DE MORAES, M. Anatomical control of the lower width in Le Fort I osteotomy. Int. J. Morphol., 39(2):533-537, 2021.