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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/6139

Title: Analysis of magnetic resonance imaging characteristics and pain in temporomandibular joints with and without degenerative changes of the condyle
Authors: Campos, M. I. G.
Campos, Paulo Sérgio Flores
Cangussu, Maria Cristina Teixeira
Guimarães, R. C.
Line, S. R. P.
Keywords: magnetic resonance imaging;temporomandibular joint;temporomandibular disorder;disc displacement;osteoarthritis;pain
Issue Date: 2008
Abstract: The aimof this study was to investigate temporomandibular joint (TMJ) pain and magnetic resonance imaging characteristics in 104 TMJs with and 58 without degenerative changes of the condyle, such as osteophytes, erosion, avascular necrosis, subcondral cyst and intra-articular loose bodies. TMJ images were also assessed for flattening, retropositioning and hypomobility of condyle and disc displacement. Comparison of the TMJ side-related data showed a significant relationship between disc displacementwithout reduction (DDwoR) and the presence of degenerative bony changes (p = 0.00). Flattening, retropositioning and hypomobility of condyle showed no significant difference in relation to the presence or absence of degenerative bony changes. Retropositioning of the condyle was significantly associated to disc displacement with reduction (DDwR) (p = 0.00), while condylar hypomobility was significantly more frequent in TMJ with DDwoR (p < 0.05). Independent of the presence or type of DD, TMJ pain was more frequent in the presence of degenerative bony changes.When considering only DDwR, TMJ pain was significantly associated to a degenerative condition (p = 0.03). When there were no degenerative bony changes,TMJ painwas significantly more frequent inDDwoR (p = 0.04).Despite the present findings, the absence of symptoms in some patients with condylar bony changes suggests that the diagnosis of osteoarthritis should be established by evaluation of magnetic resonance images in association with clinical examination.
Description: Acesso restrito: Texto completo. p. 529-534
URI: http://www.repositorio.ufba.br/ri/handle/ri/6139
ISSN: 0901-5027
Appears in Collections:Artigos Publicados em Periódicos (Odontologia)

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