Impact of the Different Types of Le Fort I Maxillary Surgical Movement on Nasal Width Changes

Abstract

Background Le Fort I maxillary movements affect nasal width, but nasal width changes with specific movement types have not been formally addressed to date. Objectives The purpose of this study was to analyze and compare the changes in nasal width with different maxillary movements. Methods A retrospective study was performed among consecutive patients who underwent bimaxillary orthognathic surgery (n = 138) and who were grouped based on the type of maxillary movement (ie, maxillary advancement with intrusion [MAI], maxillary advancement with extrusion [MAE], and maxillary setback with intrusion [MSI]). Preoperative and 12-month postoperative nasal widths were analyzed photogrammetrically by 2 blinded evaluators. Results Maxillary advancement with intrusion and MAE presented a significantly (P < 0.05) higher alar base widening than MSI did, with no significant (P > 0.05) differences between MAI and MAE. Maxillary advancement movements (MAI and MAE) showed significantly (P < 0.05) higher alar base widening than maxillary setback movement (MSI). However, no significant (P > 0.05) difference was observed between maxillary intrusion (MAI and MSI) and maxillary extrusion (MAE) movements. Conclusions This study shows that the nasal width varies distinctly depending on the type of Le Fort I maxillary surgical movement.

The Effect of Absorbable and Non-Absorbable Sutures on Nasal Width Following Cinch Sutures in Orthognathic Surgery

“…A hole was made on the anterior nasal spine (ANS) by a drill. Then, the alar cinch sutures, either non-absorbable 3-0 nylon or absorbable 3-0 PDS, passed through the perinasal musculature, up to anchoring the dermis over the alar base bilaterally, and were fixed to the hole over the ANS [19] (Figure 1). The bilateral alar bases were approximated by sutures that were the same or slightly smaller (2 mm) than the pre-operative alar width.…”