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Table 1 Different surgical procedures in treating TMJ ankylosis

From: Temporomandibular joint ankylosis in a child: an unusual case with delayed surgical intervention

Procedure

Description

Gap arthroplasty [20]

This is the oldest surgical method and consists of resection of the bone only without any interpositional tissue or material.

Interpositional arthroplasty with autogenous grafts [7]

This involves gap arthroplasty and interpositional of autogenous tissues such as contochondrol grafts, temporalis muscle flaps, dermal grafts, auricular cartilage and fascia.

Interpositional arthroplasty with alloplastic materials [8, 21]

This involves the use of lyophilized dura mater or alloplastic materials such as vitalium, acylic, Teflon-proplast and silicone.

Placement of the hemijoint or total prosthesis [22]

Usually indicated for failed multioperated cases, example in advanced degenerative osteoarthritis or oncology cases.