The use of ceramic condylar prosthesis for the treatment of bony ankylosis of the tempromandibular joint: Report of two cases.

概要

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The temporomandibular joint ankylosis often recurs for various reasons. In such cases, the bony adhesion at the temporomandibular joint advances more rigidly which may result in poor mobility of the mandible. Surgical trials in this kind of bony ankylosis of temporomandibular joint were made in two cases with the extensive bony excision from the middle portion of the mandible ramus up to the condylar head involving coronoid process and with the implantation of Al203 ceramic condylar prosthesis in place of the real joint. We had pretty good prognosis during 6 to 10 months observation following surgery without any complications. The surgical procedure for the implantation of ceramic prosthesis was described and some of the possible technical problems in approach to this surgery were also discussed.
社団法人日本口腔外科学会の論文