Clinical evaluation of TMJ arghrosis according to new classification proposed by Japanese society of temporomandibular joint

Autor:	Yasushi Ohashi, Tatsuhiro Sei, Ritsuo Takagi
Rok vydání:	1989
Předmět:	medicine.medical_specialty business.industry Dentistry Mean age Complex type Type distribution Temporomandibular joint Conservative treatment Functional disturbance medicine.anatomical_structure Internal medicine medicine business Clinical evaluation
Zdroj:	Japanese Journal of Oral & Maxillofacial Surgery. 35:2958-2963
ISSN:	2186-1579 0021-5163
DOI:	10.5794/jjoms.35.2958
Popis:	162 patients with TMJ arthrosis, who visited our clinic during two years from Dec. 1985 to Nov. 1987, were evaluated clinically according to a new classification proposed by Japanese Society of Temporomandibular Joint.The patients consisted of 44 males and 118 females (sex ratio: 1: 2.68), mean age was 35.0 years with 8 to 70year range.1) The type distribution in our series was as follows; Type III was most commonly encountered (45.1%) followed by Type II (29.6%), Type IV (12.3%), Type I (10.5%), and Type V (0.6%). The majority of Type I, IV were females.2) The mean age was higher in Type IV (55.0 years) and Type I (47.2 years) than Type III (28.7 years) and Type II (34.7 years).3) The mean period before visiting our clinic was significantly shorter in Type I (6.8 months) than Type II (19.6 months), Type III (25.1 months) and Type IV (27.8 months).4) The functional disturbance measured by dysfunction index was more severe in Type IV than other Type (I-III).5) Effectiveness of standardized conservative treatment was reduced in the following order; Type I to Type IV.6) In regard to complex type, it needs further study to determine its diagnostic criteria and application.
Databáze:	OpenAIRE
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