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A Comparison of TMD Patients With or Without Prior Motor Vehicle Accident Involvement: Initial Signs, Symptoms, and Diagnostic Characteristics
1Department of Diagnostic and Surgical Sciences, University of Saskatchewan, College of Dentistry, Saskatoon, Saskatchewan, Canada
2British Columbia Cancer Agency Head, Department of Dentistry, Vancouver Hospital and Health, Sciences Center, Department of Oral Medical and Surgical Sciences, University of Bntish Coiumbia, Faculty of Dentistry, Vancouver, British Columbia, Canada
3Department of Oral Medicine, Scliooi of Dentistry, University of Washington, Sea tlie, Washington
4Departmert of Community Health and Epidemiology, University of Saskatchewan, Coliege of Medicine, Saskatoon, Saskatchewan, Canada
5Department of Oral Medicine, University ol Washington, Schooi of Dentistry, Multi-Disciplinary Pam Center, University of Washington Medical Oenter, Seattle, Washington
*Corresponding Author(s): Dean A. Kolbinson E-mail:
The role of trauma in the etiology of temporomandibular disorders (TMD) is controversial. The objectives of this study were to compare presenting signs, symptoms, and diagnoses in patients who had motor vehicle accident trauma-related TMD to patients who had nontrauma-related TMD. Files of 50 trauma and 50 matched nontrauma TMD patients were reviewed. Information concerning presenting pain, temporomandibular joint (TMJ) and related symptoms, examination findings, and diagnoses was recorded. Posttraumatic TMD patients reported higher facial (P = .006) and headache (P = .0001) pain ratings, neck symptom frequency (P < .01), ear-related symptoms (P = .02), sleep disturbance (P < .001), and occupational and avocational disability frequencies (P < .0001). They had greater masticatory muscle (P < .001), neck muscle (P < .001), and TMJ tenderness (P = .01) scores and myofascial pain (P = .006) and arthralgia/capsulitis (P = .008) diagnoses. The nontrauma group had more subjective (P = .02) and objective (P = .05) TMJ crepitus and higher self-reports of parafunctional jaw habits (P = .05). Trauma may be an important etiologic factor for some TMD patients.
temporomandibular disorders; trauma; motor vehicle accident; etiology
Dean A. Kolbinson,Joel B. Epstein,Ambihaipakan Senthilselvan,Jeffrey A. Burgess. A Comparison of TMD Patients With or Without Prior Motor Vehicle Accident Involvement: Initial Signs, Symptoms, and Diagnostic Characteristics. Journal of Oral & Facial Pain and Headache. 1997. 11(3);206-214.
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