“…Alloplastic joints are said to allow a closer reproduction of the normal anatomy of the joint, with restoration of vertical dimension, avoidance of donor site morbidity, reduction in operation time and a lower risk of recurrent ankylosis (19). The main problems associated with these materials relate to wear at the joint surfaces, foreign body reaction, mobility of the implant with displacement, and implant fracture, caused, most of the time, by the use of inappropriate alloplastic materials (17,22). Borçbakan (23) was the first to use an acrylic condyle in the surgical treatment of TMJ ankylosis.…”