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

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 p...

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Bibliographic Details
Published in:Cranio 2019-11, Vol.37 (6), p.365-373
Main Authors: Maulén-Yáñez, Miguel, Meeder-Bella, Walther, Videla-Jiménez, Patricio Javier, González-Arriagada, Wilfredo Alejandro
Format: Article
Language:English
Subjects:
Dentistry
Muscle
myalgia
myofascial pain
protective co-contraction
temporomandibular disorders
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Summary: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.
ISSN:0886-9634
2151-0903
DOI:10.1080/08869634.2018.1465513