Overview of the alloplastic total joint replacement (TJR) of temporomandibular joint (TMJ) with indications for surgical management and efficiency of the treatment is described.
The indication of TMJ TJR is the end-stage TMJ diseases such as severe bony ankylosis, end-stage of TMJ rheumatic and osteo-arthritis, and severe idiopathic condylar resorption, in consisting with functional/anatomical loss of condylar process.
Types of TJR in TMJ are consisted with Stock and Custom made system, and the former type is approved as the medical device by PMDA in 2020 in Japan.
Overall successful outcome ratio of TMJ TJR in oversea country is around 80%. There was no significant differences between two types of TJR.
Clinical emphasis is made on a skillful and devised team approach to reduce operative time, bleeding and adverse effect. Importance of pre- and post-operative analysis and feedback to next planning. Current topics regarding surgical modification to Asian population and pre-operative embolization is described.
