Assessment of association between muscular diagnosis in temporomandibular disorders with mandibular kinematics

Miguel Maulén-Yáñez, Walther Meeder-Bella, Patricio Javier Videla-Jiménez, Wilfredo Alejandro González-Arriagada

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Objective: To study the association between mandibular kinematics and muscular diagnoses in temporomandibular disorders (TMD). Method: Retrospective, descriptive clinical study based on an analysis of 370 clinical records of muscle diagnoses in TMD. Statistical analysis was performed with the SPSS program. Results: Five different muscle diagnoses were considered. Myospasm and centrally mediated myalgia were discarded from the statistical analysis because of their low incidences. The diagnoses included in the analysis were protective co-contraction, myofascial pain, and myalgia. Decreased mandibular kinematics in the frontal and horizontal planes were related to myofascial pain. Mandibular kinematics with deflection in opening values decreased in the frontal plane, but intermediate or increased values in the horizontal plane were related to the protective co-contraction. Muscle pain with normal or increased mandibular kinematics was associated with a diagnosis of myalgia. Conclusion: Values of mandibular kinematics are correlated with the muscular diagnoses in TMD and are useful for diagnosis.

Original languageEnglish
Pages (from-to)365-373
Number of pages9
JournalCranio - Journal of Craniomandibular Practice
Volume37
Issue number6
DOIs
StatePublished - 2 Nov 2019

Bibliographical note

Publisher Copyright:
© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.

Keywords

  • Muscle
  • myalgia
  • myofascial pain
  • protective co-contraction
  • temporomandibular disorders

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