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Avaliação da entropia do músculo masseter no tratamento da disfunção temporomandibular
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Abstract(s)
Introdução: A medida da entropia permite a quantificação da variabilidade dos níveis de sensibilidade à dor muscular, desempenhando um papel fundamental na avaliação clínica de condições dolorosas, particularmente na disfunção temporomandibular. Assim, esta medida tem relevância na avaliação adequada do diagnóstico e na tomada de decisões para um plano de tratamento apropriado.
Objetivos: Este estudo tem como objetivo principal avaliar a entropia do músculo masseter em doentes diagnosticados com disfunção temporomandibular. Como objetivo secundário propõe-se fazer uma avaliação da associação entre os níveis de entropia e parâmetros clínicos obtidos através de questionários.
Materiais e Métodos: Neste estudo, 80 pacientes da Clínica Dentária Egas Moniz foram submetidos a questionários e exames clínicos. A entropia do músculo masséter foi determinada pela avaliação da sensibilidade mecânica à pressão em 15 pontos. Os pacientes foram divididos em grupos e os valores de entropia foram comparados para identificar possíveis relações com questionários de dor e sono.
Resultados e Discussão: A análise estatística demonstra que existe uma relação entre as variáveis de intensidade de dor e os valores de entropia (ANOVA p=0.047; ANOVA p= 0.031), contudo, tal não acontece com forças de palpação excessivas. Pelo contrário, a componente de sono apenas está relacionada com a entropia aquando da palpação com pressões superiores (ANOVA p= 0.0026).
Conclusão: A entropia está associada a fatores de intensidade dor e sono, sendo uma ferramenta relevante para o diagnóstico e o planeamento do tratamento em DTM. A pressão aplicada durante a palpação no exame clínico afeta os resultados obtidos, destacando a importância de seguir os protocolos estabelecidos.
Introduction: The entropy measurement allows the quantification of the variability of muscle pain sensitivity levels, playing a key role in the clinical evaluation of painful conditions, particularly in temporomandibular dysfunction. Thus, this measurement has relevance in the proper evaluation of the diagnosis and decision making for an appropriate treatment plan. Objectives: The main aim of this study is to assess the entropy of the masseter muscle in patients diagnosed with temporomandibular dysfunction. As a secondary aim an assessment of the association between entropy and clinical parameters was made. Materials and Methods: In this study, 80 patients from the Clínica Dentária Egas Moniz were submitted to questionnaires and clinical examinations. The entropy of the masseter muscle was determined by evaluating the mechanical sensitivity to pressure in 15 points. The patients were divided into groups and the entropy values were compared to identify possible relationships with pain and sleep questionnaires. Results and Discussion: Statistical analysis shows that there is a relationship between pain intensity variables and entropy values (ANOVA p=0.047; ANOVA p= 0.031), however, this does not happen with excessive palpation forces. On the contrary, the sleep component is only related with entropy when palpation with higher pressures (ANOVA p= 0.0026). Conclusion: Entropy is associated with pain intensity and sleep factors, and is a relevant tool for TMD diagnosis and treatment planning. The pressure applied during palpation in the clinical examination affects the results
Introduction: The entropy measurement allows the quantification of the variability of muscle pain sensitivity levels, playing a key role in the clinical evaluation of painful conditions, particularly in temporomandibular dysfunction. Thus, this measurement has relevance in the proper evaluation of the diagnosis and decision making for an appropriate treatment plan. Objectives: The main aim of this study is to assess the entropy of the masseter muscle in patients diagnosed with temporomandibular dysfunction. As a secondary aim an assessment of the association between entropy and clinical parameters was made. Materials and Methods: In this study, 80 patients from the Clínica Dentária Egas Moniz were submitted to questionnaires and clinical examinations. The entropy of the masseter muscle was determined by evaluating the mechanical sensitivity to pressure in 15 points. The patients were divided into groups and the entropy values were compared to identify possible relationships with pain and sleep questionnaires. Results and Discussion: Statistical analysis shows that there is a relationship between pain intensity variables and entropy values (ANOVA p=0.047; ANOVA p= 0.031), however, this does not happen with excessive palpation forces. On the contrary, the sleep component is only related with entropy when palpation with higher pressures (ANOVA p= 0.0026). Conclusion: Entropy is associated with pain intensity and sleep factors, and is a relevant tool for TMD diagnosis and treatment planning. The pressure applied during palpation in the clinical examination affects the results
Description
Dissertação para obtenção do grau de Mestre no Instituto Universitário Egas Moniz
Keywords
Entropia Dor musculo-esquelética Sono Tratamento DTM