• Pain Pract · Nov 2013

    The Prevalence of Comorbid Symptoms of Central Sensitization Syndrome Among Three Different Groups of Temporomandibular Disorder Patients.

    • Robert J Gatchel, Kara M Lorduy, Angela Liegey-Dougall, Robbie Haggard, and Celeste N Sanders.
    • Department of Psychology, College of Science, The University of Texas at Arlington, Arlington, Texas, U.S.A.
    • Pain Pract. 2013 Nov 1;13(8):604-13.

    AimsSymptoms of central sensitization syndrome (CSS) were evaluated among three different groups of temporomandibular disorder (TMD) patients. Additionally, TMD group differences in pain and pain-related disability were assessed, as well as emotional distress.MethodsParticipants were 250 patients with symptoms of acute TMD, recruited from dental clinics within a major metropolitan area. Sequential regressions and multivariate analyses of covariance were conducted in order to make group comparisons.ResultsThose with a TMD Muscle Disorder (ie, myofacial TMD [m-TMD]) and those with more than one TMD diagnosis had the most symptoms of CSS and higher reports of pain and pain-related disability. Moreover, emotional distress accounted for a substantial amount of the variance for physical symptoms and mediated all TMD comparisons.ConclusionsMyofacial TMD is characterized by a high degree of comorbidity of symptoms of CSS and associated emotional distress.© 2013 The Authors Pain Practice © 2013 World Institute of Pain.

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