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  • Title: A preliminary study of reconstruction of the monkey temporomandibular joint with autogenous tissues.
    Author: Marciani RD, Gonty AA, White DK, Traurig HH.
    Journal: J Oral Maxillofac Surg; 1996 Feb; 54(2):191-9. PubMed ID: 8604069.
    Abstract:
    PURPOSE: This study investigated the ability of autogenous pericranium-muscle and cranial bone to restore form and function of the temporomandibular joint (TMJ). MATERIALS AND METHODS: A right TMJ discectomy, condylectomy, vertical ramus osteotomy with superior repositioning of the proximal fragment, and a cranial bone graft to the mandibular angle were performed in 12 cynomolgus monkeys. Clinical, histologic, and autoradiographic evaluation was done at intervals beginning at 3 days and continuing up to 78 weeks. RESULTS: No significant postoperative sequela were identified in any of the monkeys. Jaw mobility and function were restored. Gross morphologic condylar changes were observed. The pericranium-muscle grafts did not differentiate into normal disc-like structures and a cartilage cap did not cover the condyle stump head. CONCLUSIONS: The results of this study suggest that the previous TMJ function was restored. However, the histologic changes observed were consistent with advanced degenerative joint disease.
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