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Alveolar distraction osteogenesis for oral rehabilitation in reconstructed jaws

Cheung, Lim K.; Hariri, Firdaus; Chua, Hannah D.P.

Current Opinion in Otolaryngology & Head and Neck Surgery: August 2011 - Volume 19 - Issue 4 - p 312–316
doi: 10.1097/MOO.0b013e3283488452
Maxillofacial surgery: Edited by Sherard A. Tatum

Purpose of review To present a literature review of alveolar distraction osteogenesis (ADO) for reconstructed jaws, with emphasis on indications, critical surgical factors, protocols and complications for oral rehabilitation of reconstructed jaws.

Recent findings The defects in jaw result mostly from malignancy, benign tumor or gunshot injury. Jaw reconstructions were performed mostly by vascularized fibula graft. Alveolar distraction was primarily indicated to correct vertical discrepancy between the reconstructed region and residual ridge in order to achieve adequate height of the transplanted bone prior to implant placement. The vertical bone height gained ranged from 6 to 15 mm. The most common complications reported were infections and distractor malalignment.

Summary This review reveals few numbers of case series on this topic. However, ADO in reconstructed jaws can produce consistent evidence of bone regeneration, with stable augmentation results clinically, histologically and radiographically, thus making it a predictable surgical procedure prior to oral implant rehabilitation.

Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR

Correspondence to Professor Lim K. Cheung, 2/F, Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince Philip Dental Hospital, 34 Hospital Road, Hong Kong, ROC Tel: +852 28590262; e-mail:

© 2011 Lippincott Williams & Wilkins, Inc.