Location of Repository

Electromyographic activity assessment of individuals with and without temporomandibular disorder symptoms

By Juliana de Paiva Tosato and Paulo Henrique Ferreira Caria


INTRODUCTION: Temporomandibular disorders (TMD) present several signs and symptoms that hinder their correct diagnosis, which is imperative on the elaboration of a treatment plan. Over the past years, several studies have been conducted to characterize and classify TMD to better understand these disorders. Therefore, the purpose of this study was to assess the electromyographic behavior of the masseter and temporal muscles in individuals with and without myogenic, arthrogenic and mixed TMD. METHOD: Forty volunteers of both genders responded to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC-TMD) Questionnaire, were submitted to clinical exam and underwent bilateral electromyographic exam of the masseter and temporal muscles. RESULTS: No statistically significant difference (p>0.05) was observed during the assessment of isotonic contraction. Regarding isometric contraction, pairing between the mixed TMD group and the asymptomatic subjects did not present significant difference (p>0.05). Comparison between the myogenic and arthrogenic TMD groups and the asymptomatic group showed statistically significant difference (p<0.05). The findings of the present study demonstrated alteration on the muscle contraction pattern of TMD individuals compared to that of asymptomatic patients

Topics: Temporomandibular disorders, Electromyography, Temporomandibular joint, Mastication, Dentistry, RK1-715, Medicine, R, DOAJ:Dentistry, DOAJ:Health Sciences
Publisher: University of São Paulo
Year: 2007
DOI identifier: 10.1590/S1678-77572007000200016
OAI identifier: oai:doaj.org/article:57f0b64ba7a144a6a450d3422033e106
Download PDF:
Sorry, we are unable to provide the full text but you may find it at the following location(s):
  • https://doaj.org/toc/1678-7765 (external link)
  • https://doaj.org/toc/1678-7757 (external link)
  • http://www.scielo.br/scielo.ph... (external link)
  • https://doaj.org/article/57f0b... (external link)
  • Suggested articles

    To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.