Modified coronoid process grafts combined with sagittal split osteotomy for treatment of bilateral temporomandibular joint ankylosis.
OBJECTIVE
This article describes the use of autogenous coronoid process grafts for lengthening the ramus in patients with long-standing temporomandibular joint (TMJ) ankylosis and severe mandibular retrognathia.


METHODS
A retrospective clinical study of 6 cases of bilateral TMJ ankylosis surgically treated during a 3-year period from June 1996 to March 1999 was performed. All patients were treated by condylectomy, mandibular sagittal split osteotomy, and immediate autogenous coronoid process grafts. Clinical examination, radiographs, and photographs were used postsurgically to evaluate the grafts, condylar function, and facial appearance.


RESULTS
Very satisfactory postsurgical results were obtained in terms of function of the TMJ, the airway, and aesthetics.


CONCLUSIONS
In children suffering from TMJ ankylosis, the coronoid process can be used for mandibular lengthening.
Hong
Yonglong
Y
Department of Oral and Maxilofacial Surgery, Faculty of Dentistry, 4th Military Medicine University, Xian, China. hsy.@263.net
Gu
Xiaoming
X
Feng
Xinhua
X
Wang
Yilin
Y
D000293:Adolescent; D000844:Ankylosis / Q000209:etiology / Q000601:surgery*; D001178:Arthroplasty; D016025:Bone Transplantation / Q000379:methods*; D002648:Child; D002680:Chin / Q000293:injuries; D005260:Female; D006801:Humans; D008297:Male; D008334:Mandible / Q000002:abnormalities / Q000601:surgery*; D019186:Mandibular Advancement / Q000379:methods*; D008338:Mandibular Injuries / Q000150:complications; D063173:Retrognathia / Q000150:complications / Q000601:surgery; D012189:Retrospective Studies; D020181:Sleep Apnea, Obstructive / Q000209:etiology / Q000601:surgery; D013705:Temporomandibular Joint Disorders / Q000150:complications / Q000209:etiology / Q000601:surgery*; D016896:Treatment Outcome