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[Systematic diagnosis and treatment method for temporomandibular disorders--new chart for primary diagnosis and
T Yoda1, I Sakamoto, H Tsukahara
1Second Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tokyo Medical and Dental University.
Abstract:
In this study, the classification of temporomandibular disorders of Japanese Society for Temporomandibular Joint was subdivided into ten types for the purpose of connecting directly with treatment, then a new chart for primary diagnosis and treatment were expressed. Ten types, i.e. type I (masticatory muscle disorders), type II (micro traumatic synovitis), type IIIc- (disk disorders except internal derangement; open lock, eminense click and crepitus), type IIIc+ (internal derangement; disc anterior displacement with reduction), type III L (internal derangement; disc anterior displacement without reduction, type IVo (osteoarthrosis with no TMJ symptoms), type IVp (osteoarthrosis with TMJ pain and no disc disorders), type IVc- (osteoarthrosis with crepitus, eminense click and open lock), type IVc+ (osteoarthrosis with internal derangement; disc anterior displacement with reduction), type IV L (osteoarthrosis with internal derangement; disc anterior displacement without reduction) 605 patients who visited our clinic from January 1994 to June 1994 were classified by the new chart for primary diagnosis; type I: 37 cases, type II: 142 cases, type IIIc-:56 cases, type III c+: 215 cases, type III L: 82 cases, type IVo: 8 cases, type IVp: 11 cases, type IVc-: 10 cases, type IV+: 19 cases, type IVL: 25 cases.