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[Modified Risdon approach for non-traumatic ramus surgery].

A Ganeval¹, S Zink, D Del Pin

¹Service de stomatologie, chirurgie maxillo-faciale, plastique et reconstructrice, hôpitaux universitaires de Strasbourg, France.

Revue De Stomatologie Et De Chirurgie Maxillo-Faciale

|February 14, 2012

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The modified Risdon approach is effective for non-traumatic mandibular ramus surgery, offering a low complication rate and acceptable scarring. This surgical technique is an improvement for ramus procedures, especially in orthognathic surgery.

Area of Science:

Oral and Maxillofacial Surgery
Surgical Anatomy

Background:

The Risdon modified approach is established for treating subcondylar fractures.
Its utility for non-traumatic mandibular ramus surgery warrants investigation due to a potentially low complication rate.

Purpose of the Study:

To evaluate the efficacy and safety of the modified Risdon approach for non-traumatic mandibular ramus surgery.
To assess complication rates and aesthetic outcomes associated with this surgical technique.

Main Methods:

Twenty modified Risdon approaches were performed on 11 patients for various non-traumatic indications.
Indications included bilateral and unilateral osteotomies, biopsy, and bone grafting procedures.

Main Results:

The modified Risdon approach successfully facilitated all planned surgical procedures.

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A single instance of temporary facial nerve paresis was the only complication observed.

Surgical scars were consistently deemed aesthetically acceptable by patients.

Conclusions:

The modified Risdon approach represents an advancement for non-traumatic ramus surgery, comparable to its use in traumatology.
This technique demonstrates a very low complication rate, particularly concerning the facial nerve.
The approach provides wide exposure for mandibular advancements in orthognathic surgery, surpassing intraoral methods in certain aspects.