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Frequency of Occurence of the Discomalleolar Ligament in the Adult Man International Journal of Morphology
Alves,Nilton; Deana,Naira Figueiredo.
The discomaleollar ligament is not described in the anatomy textbooks but was demonstrated by Pinto (1962) and others. It is a ligamentous structure connecting the malleus in the tympanic cavity and the articular disc and the capsule of the temporomandibular joint. This anatomical relationship between the middle ear and temporomandibular joint is supposed to be one of the explanations for the otological symptons associated with temporomandibular joint dysfunction. The aim of our study was to determine the frequency of occurence of the discomaleollar ligament. Twenty hemi-heads of adults human were carefully dissected from a superior approach through the middle cranial fossa. The bone of the middle cranial fossa over the temporomandibular joint region and...
Tipo: Journal article Palavras-chave: Discomalleolar ligament; Temporomandibular joint; Articular disc; Otological symptons.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000200029
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Percentage of Lateral Pterygoid Muscle Inserted in the Disc of Human Temporomandibular Joint International Journal of Morphology
Tapia Contreras,Jorge; Cantín,Mario; Zavando,Daniela; Suazo Galdames,Iván.
Insertion of the upper head of the lateral pterygoid (UHLP) in the temporomandibular joint disc (TMJ) has been linked to anterior displacement of the disc and temporomandibular disfunction. The aim of this study was to determine in human adults, the percentage of muscle fiber in the upper head of the lateral pterygoid muscle inserted in the articular disc. A systematic review of the literature was designed beginning with articles published in Medline, Lilacs and Scielo data bases between the years 1990 and 2010. Key words "Lateral Pterygoid Muscle" and Pterygoid Lateral Muscle" were used, and the term MeSH "Pterygoid Muscle" with Boolean OR "Lateral Ptrerygoid Muscle" AND "Insertion" and the free terms "Pterygoid Lateral Muscle Disc Articular" and...
Tipo: Journal article Palavras-chave: Lateral pterygoid muscle; Articular disc; Morphology based on evidence; Systematic review.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300051
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Anterior Disc Displacement and the Superior Head of Lateral Pterygoid Muscle: A Case-Control Study International Journal of Morphology
Pompei Filho,Horácio; Suazo Galdames,Iván; Zavando,Daniela; Guimarães,Antonio Sergio.
The objective of this study was to assess the association between an increase in the proportion of the superior head of the lateral pterygoid muscle (SHLP) inserted into the temporomandibular joint (TMJ) disc and the presence of anterior disc displacement diagnosed by using MRI. We analyzed 75 images of patients with anterior displacement and 75 controls with normal relationship between the mandibular head and the articular tubercle also diagnosed by MRI. Levels of insertion were measured. Descriptive and analytic statistics were calculated. Analyses of differences were made by Fischer's exact test and also were calculated clinical significance (OR, CI = 95%). The average insertion of SHLP was 71.14% (SD 14.13) in controls and 67.80% (SD.16.23) in cases...
Tipo: Journal article Palavras-chave: Temporomandibular joint; Lateral pterygoid muscle; Articular disc; Anterior disc displacement.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000200004
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Prevalence of the Third Head of the Lateral Pterygoid Muscle: A Magnetic Resonance Image Study International Journal of Morphology
Pompei Filho,Horácio; Guimarães,Antonio Sergio; Suazo Galdames,Iván Claudio.
The lateral pterygoid muscle (LPM) is important in the physiology and dysfunction of the temporomandibular joint (TMJ), which has described the presence of a third head in the lateral pterygoid muscle (THLPM). The purpose of this study was to evaluate the prevalence of THLPM and its relationship with the TMJ disc through magnetic resonance imaging (MRI). It was evaluated 178 MRI of the TMJ of healthy individuals, in images that presented THLPM, and these were defined and measured at the surface inserted into the disc. The prevalence of THLPM was 20.22% (n = 36). Insertion of THLPM was made entirely on the TMJ disc, the average area of insertion was 4.14mm (SD 1.35) in women and 4.67 (SD 2.68) in men, but these differences were not significant. We concluded...
Tipo: Journal article Palavras-chave: Lateral pterygoid muscle; Temporomandibular joint; Articular disc; Temporomandibular dysfunction.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400014
Registros recuperados: 4
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