Synchronous Premaxillary Osteotomy with Primary Cheiloplasty for BCLP Patients with Protrusion of the Premaxillae

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Abstract

Background:

In bilateral cleft lip and palate (BCLP) patients with protrusion and/or torsion of the premaxillae, it is difficult to achieve a good outcome. We have developed a series of procedures of premaxillary osteotomy with primary cheiloplasty for BCLP patients who did not respond well to presurgical orthodontics (PSO).

Methods:

A total of 27 BCLP patients with protrusion and/or torsion of the premaxillae underwent PSO. For 3 BCLP patients in whom the protruded premaxillae could not be returned to a good position, a primary premaxillary osteotomy and gingivoperiosteoplasty (GPP) with cheiloplasty were performed simultaneously. Subsequently, Furlow palatoplasty was performed by one and a half years of age. Maxillary growth was evaluated by dental occlusion at 4 years of age.

Results:

A premaxillary osteotomy and GPP with cheiloplasty were performed at 6 months. The patients’ facial structures improved, their premaxillae were positioned more superiorly, and normal inclination of the incisors was achieved. They had edge-to-edge occlusions or cross bites at 4 years of age.

Conclusions:

As advantages, the patients’ facial structures improved, and the alveolar bones were formed by GPP. As a disadvantage, premaxillary necrosis might occur because of poor blood circulation. It is important to secure the following 2 blood supplies: from the periosteum and soft-tissue of the anterior premaxillae and from the periosteum and mucosa of the nasal septum. Synchronous premaxillary osteotomy and GPP with primary cheiloplasty are appropriate when the premaxillae cannot be properly repositioned by PSO or PSO cannot be done.

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