Multistage bone-charged distraction osteogenesis for aesthetic reconstruction of an extensive bone deficiency in the mandible

The Journal of Craniofacial Surgery
Yorikatsu WatanabeTanetaka Akizuki

Abstract

Alveolar and mandibular bone defects impair occlusion and affect the aesthetics of facial contouring, making it difficult to obtain a satisfactory outcome. Treatment with distraction osteogenesis (DO) is particularly difficult in cases in which the defective region extends to close to the inferior margin of the mandible. To overcome the limits of current DO, we developed a method as follows. In the first stage, a submucosal space necessary for bone grafting was prepared by soft tissue expansion through DO. In the second stage, an iliac corticocancellous bone was transplanted with its cancellous side in close contact with the new bone in the space formed on the labial side into this new space. In the third stage, the grafted bone was distracted. This technique requires time, but each surgery is of minimum invasiveness and does not leave a visible scar; use of this technique may expand the limited indication of current DO and dental implants.

References

Nov 1, 1982·Annals of Plastic Surgery·G I Taylor
Jan 1, 1996·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·M Chin, B A Toth
Feb 7, 2002·International Journal of Oral and Maxillofacial Surgery·A RachmielM Peled
Sep 7, 2007·Plastic and Reconstructive Surgery·Eric ArnaudDominique Renier

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