Four-step mandibular lengthening to correct a bird face deformity. A case report

Area of Science:

• Oral and Maxillofacial Surgery
• Orthognathic Surgery
• Surgical Innovation

Background:

• Extreme mandibular lengthening presents challenges in achieving stable and predictable outcomes.
• Traditional methods may require extensive bone grafting and are associated with significant relapse.
• Minimizing surgical morbidity and improving functional and aesthetic results are key goals.

Purpose of the Study:

• To introduce and describe a novel surgical technique for extreme mandibular lengthening.
• To detail the modifications of existing procedures and the innovative four-step approach.
• To highlight the potential benefits of this technique, including reduced grafting and relapse.

Main Methods:

• A single-operation technique combining and modifying known surgical procedures.
• The mandibular lengthening is executed in four distinct, sequential steps.
• Emphasis on controlled bone segment movement and gradual distraction.

Main Results:

• The four-step approach facilitates extreme mandibular lengthening within a single surgical session.
• The technique potentially reduces or eliminates the need for autogenous bone grafting.
• Anticipated reduction in postoperative relapse compared to techniques with fewer, larger movements.

Conclusions:

• This modified technique offers a viable approach for extreme mandibular lengthening.
• The stepwise distraction may enhance stability and minimize complications like graft-related issues.
• Further clinical studies are warranted to validate long-term outcomes and relapse rates.