An intraoral approach to treatment of condylar hyperplasia or high condylar process fractures using the intraoral vertico-sagittal ramus osteotomy

Purpose: The intraoral vertico-sagittal ramus osteotomy (J Craniomaxillofac Surg 20:153, 1992) can be used to reduce high condylar process fractures and recontour hyperplastic condyles while simultaneously correcting the malocclusion. This article presents the technique and reports the clinical resu...

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Bibliographic Details
Published inJournal of oral and maxillofacial surgery Vol. 56; no. 5; pp. 563 - 570
Main Authors Choung, Pill-Hoon, Nam, Il-Woo
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.05.1998
Subjects
Adolescent
Adult
Bone Plates
Bone Screws
Bone Wires
Dentistry
Female
Follow-Up Studies
Humans
Hyperplasia - diagnostic imaging
Hyperplasia - surgery
Male
Mandibular Condyle - diagnostic imaging
Mandibular Condyle - injuries
Mandibular Condyle - pathology
Mandibular Condyle - surgery
Mandibular Fractures - diagnostic imaging
Mandibular Fractures - surgery
Middle Aged
Oral Surgical Procedures - methods
Osteotomy - methods
Prognathism - diagnostic imaging
Prognathism - surgery
Radiography
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Summary:Purpose: The intraoral vertico-sagittal ramus osteotomy (J Craniomaxillofac Surg 20:153, 1992) can be used to reduce high condylar process fractures and recontour hyperplastic condyles while simultaneously correcting the malocclusion. This article presents the technique and reports the clinical results. Patients and Methods: A technique for removal and replantation of the condyloid process using the vertico-sagittal ramus osteotomy and rigid fixation was used to treat 23 patients with markedly displaced, high condylar process fractures and condylar hyperplasia associated with malocclusion. Results: The replanted condyles did not show ischemic necrosis or any functional disturbance when followed for more than 3 years. All patients showed nearly normal mouth opening, with slight mandibular deviation, usually in sixth postoperative month. Conclusions: In selected patients, this technique allows intraoral accessibility to the condyle and its repositioning. The method is particularly useful to treat vertical discrepancies associated with the hyperplastic or hypoplastic condyle.
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ISSN:0278-2391
1531-5053
DOI:10.1016/S0278-2391(98)90452-9