Vol. 3 Núm. 1 (2020): January - June

Temporomandibular Joint analysis in patients with Temporomandibular Dysfunction - Análisis de la Articulación Temporomandibular en pacientes con Disfunción Temporomandibular


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Abstract

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Resumen

The disk displacement (DD) is a TMJ internal alteration that accompanies temporomandibular disorders, being found in up to 55% of the population. This can be defined as the anomalous relationship of the disc with the bone structures of the TMJ causing a Temporomandibular Dysfunction (TMD), that is, incoordination between the disc and the condyle. Objective: Establish specific characteristics of  Tmj structures as a predisposing factors for Temporomandibular disorders. Materials y Methods: A cross-sectional and observational study was conducted in which 45 MRI magnetic resonances were analyzed, meaning 90 joints, which were found in the Imaging Diagnostic Department database of the Omni Hospital. Its analysis was carried out under different methods accordind the structure studied.Results: The most prevalent disk displacement was slight in 48.89%. The greatest inclination of joint eminence occurred in 85.71% of moderate DD in men and in 55.56% of severe DD in women. The posterior condylar position was found in 100% severe DD. Sigmoid type morphology occurred in 52.22%, being more prevalent in severe DD in 66.67%. The folded disk morphology was found in moderate DD and severe DD in 52.38% and 33.33%. Finally, vertical condylar asymmetry occurred in 55,56% of the patients analyzed. Conclusion: It was concluded that certain characteristics are more prevalent than others that could alert us the presence of disk displacement and its severity as the posterior condylar position and the articular eminence morphology.

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Roberto Octavio Ortiz Barcia https://orcid.org/0000-0001-8527-717X

Barona Terán Jorge Eduardo https://orcid.org/0000-0002-3239-795X

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