Evaluation of the lateral pterygoid muscle using magnetic resonance imaging

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dc.contributor.author D'Ippolito, S. M.
dc.contributor.author Wolosker, Angela Maria Borri [UNIFESP]
dc.contributor.author D'Ippolito, Giuseppe [UNIFESP]
dc.contributor.author Souza, B. Herbert de [UNIFESP]
dc.contributor.author Fenyo-Pereira, M.
dc.date.accessioned 2016-01-24T14:05:42Z
dc.date.available 2016-01-24T14:05:42Z
dc.date.issued 2010-12-01
dc.identifier http://dx.doi.org/10.1259/dmfr/80928433
dc.identifier.citation Dentomaxillofacial Radiology. London: British Inst Radiology, v. 39, n. 8, p. 494-500, 2010.
dc.identifier.issn 0250-832X
dc.identifier.uri http://repositorio.unifesp.br/handle/11600/33098
dc.description.abstract Objectives: the aims of this study were to evaluate the visibility of the lateral pterygoid muscle (LPM) in temporomandibular joint (TMJ) images obtained by MRI, using different projections and to compare image findings with clinical symptoms of patients with and without temporomandibular disorders (TMD).Methods: in this study, LPM images of 50 participants with and without TMDs were investigated by MRI. the images of the LPM in different projections of 100 TMJs from 35 participants (70 TMJs) with and 15 participants (30 TMJs) without clinical signs and symptoms of TMD were visible and analysed.Results: the oblique sagittal and axial images of the TMJ clearly showed the LPM. Hypertrophy (1.45%), atrophy (2.85%) and contracture (2.85%) were the abnormalities found in the LPM. TMD signs, such as hypermobility (11.4%), hypomobility (12.9%) and disc displacement (20.0%), could be seen in TMJ images. Related clinical symptoms, such as pain (71.4%), articular sounds (30.4%), bruxism (25.7%) and headache (22.9%), were observed.Conclusions: Patients with TMD can present with alterations in the LPM thickness. Patients without TMD also showed alterations, such as atrophy and contracture, in TMJ images. Recognition of alterations in the LPM will improve our understanding of clinical symptoms and pathophysiology of TMD, and may lead to a more specific diagnosis of these disorders. Dentomaxillofacial Radiology (2010) 39, 494-500. doi: 10.1259/dmfr/80928433 en
dc.format.extent 494-500
dc.language.iso eng
dc.publisher British Inst Radiology
dc.relation.ispartof Dentomaxillofacial Radiology
dc.rights Acesso aberto
dc.subject lateral pterygoid muscle en
dc.subject magnetic resonance imaging en
dc.subject temporomandibular joint en
dc.subject temporomandibular disorders en
dc.title Evaluation of the lateral pterygoid muscle using magnetic resonance imaging en
dc.type Artigo
dc.contributor.institution Universidade de São Paulo (USP)
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.description.affiliation Univ São Paulo, Fac Dent, Dept Oral Diag, BR-09500900 São Paulo, Brazil
dc.description.affiliation Universidade Federal de São Paulo, Dept Imaging Diag, São Paulo, Brazil
dc.description.affiliation Univ São Paulo, Fac Dent, Dept Stomatol, Sect Radiol, BR-09500900 São Paulo, Brazil
dc.description.affiliationUnifesp Universidade Federal de São Paulo, Dept Imaging Diag, São Paulo, Brazil
dc.identifier.doi 10.1259/dmfr/80928433
dc.description.source Web of Science
dc.identifier.wos WOS:000283994800005



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