Modification of the sagittal ramus-split osteotomy for retrognathia

Area of Science:

• Oral and Maxillofacial Surgery
• Orthognathic Surgery
• Anatomical Reconstruction

Background:

• Mandibular advancement surgery is crucial for treating skeletal discrepancies.
• Traditional sagittal ramus split osteotomy techniques can be associated with complications.
• Preventing distal fragment rotation and managing post-operative edema are key challenges.

Purpose of the Study:

• To describe a novel modification of the sagittal ramus split osteotomy.
• To evaluate the efficacy of this modified technique in preventing complications.
• To assess the impact on surgical fixation and post-operative swelling.

Main Methods:

• A modified sagittal ramus split osteotomy procedure was developed and implemented.
• The technique focuses on specific modifications to control fragment movement.
• Fixation methods and assessment of lateral pharyngeal edema were standardized.

Main Results:

• The modified technique effectively prevented rotation of the distal mandibular fragment.
• Surgical fixation was simplified compared to conventional methods.
• A significant reduction in lateral pharyngeal edema was observed post-operatively.

Conclusions:

• This modified sagittal ramus split osteotomy offers improved control over fragment positioning.
• The technique simplifies the surgical procedure and enhances stability.
• Reduced lateral pharyngeal edema suggests improved patient comfort and potentially faster recovery.