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Previous issue date: 2002 / Objetivo: avaliar a correlacao entre discos deslocados, osteoartrose e achados clinicos na articulacao temporomandibular. Metodos: estudou-se 51 pacientes com diagnostico de disfuncao temporomandibular, atraves de ficha clinica, que avaliou, ruidos articulares, dores, apalpacao nos musculos da mastigacao e na articulacao temporomandibular, reducao na movimentacao da mandibula. Os pacientes realizaram ressonancia magnetica para a deteccao da presenca de disco deslocado e da osteoartrose e desvio na forma. Estes achados foram comparados entre si e com os achados clinicos: apertamento dental, bruxismo, abertura da boca menor que 40 mm, diferenca da abertura ativa e passiva maior que 5 mm, dor a apalpacao no masseter profundo, dor a apalpacao na capsula, historia de trauma. Resultados: existe uma forte associacao positiva entre osteoartrose e disco deslocado para ambos os lados da articulacao temporomandibular. No estudo da significancia da associacao foi detectada uma probabilidade maior da artrose acontecer antes do disco deslocado do que o contrario. O unico item clinico de associacao positiva com a osteoartrose foi o bruxismo (articulacao temporomandibular direita). O item que apresentou correlacao com disco deslocado foi a reducao da abertura da boca menor de 40 mm. Conclusoes: a osteoartrose tem alta correlacao com o disco deslocado e pode ser a causa do deslocamento, o bruxismo pode levar a osteoartrose e a reducao da abertura pode ser um sinal clinico de disco deslocado / Purpose: to evaluate the correlation among osteoartrosis displaced disc and clinical findings in the temporomandibular joint. Methods: fifty one patients with temporomandibular dysfunction diagnosis, were evaluated thought clinical examination; witch were consisted by the presence of articular noises, mastigation muscles and temporomandibular joint pain on palpation, reduction of mandible movements, magnetic resonance was required, and interpreted in order to detect displaced disc, osteoartrosis and deviation in form. The findings were compared among themselves and some clinical data, as dental clenching, bruxism, mouth opening less than 40 mm, difference between active and passive mouth opening more than 5 mm, pain on deep massater palpation, capsule pain on palpation and trauma history. Results: there was a strong positive association between osteoartrosis and displaced disc for both temporomandibular joints (right and left). Thought a meaning association study, the osteoartrosis has more chances to happen first instead of the displaced disc than the opposite. The only clinical item to have a positive association with osteoartrosis was the bruxism within the right temporomandibular joint, another item with positive association with displaced disc was mouth opening less than 40 mm. Conclusions: osteoartrosis has a high correlation with displaced disc, and may be the cause of the displacement, bruxism may lead to osteoartrosis and opening reduction may be a clinical sign of displaced disc. / BV UNIFESP: Teses e dissertações
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.unifesp.br:11600/18059 |
| Date | January 2002 |
| Creators | Bolzan, Marcelo Costa [UNIFESP] |
| Contributors | Universidade Federal de São Paulo (UNIFESP), Lederman, Henrique Manoel [UNIFESP] |
| Publisher | Universidade Federal de São Paulo (UNIFESP) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | 47 p. |
| Source | reponame:Repositório Institucional da UNIFESP, instname:Universidade Federal de São Paulo, instacron:UNIFESP |
| Rights | info:eu-repo/semantics/openAccess |
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