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ABSTRACT
The construct validity of the TMJ ScaleTM was examined in a sample of chronic post-traumatic headache patients. Clinical indicators of temporomandibular (TM) dysfunction and measures of psychosocial distress were compared with relevant scales of the TMJ Scale. The clinical indicators were first subjected to principal components analysis. The resulting factor scores correlated significantly with selected physical domain scales of the TMJ Scale. The factor scores also significantly predicted the TMJ Global Scale in a regression analysis. Selected psychosocial domain scales of the TMJ Scale correlated strongly with measures of depression and anger and a clinical diagnosis of post-traumatic stress disorder. The results support the validity of the TMJ Scale and demonstrate its utility with post-traumatic headache patients.
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Notes on contributors
John T. Chibnall
John T. Chibnall received his M.S. degree in experimental psychology in 1989 from St. Louis University. He is a research associate in the Department of Psychiatry and Human Behavior at the St. Louis University School of Medicine. His primary research interests are in the area of chronic pain.
Paul N. Duckro
Dr. Paul N. Duckro received his Ph.D. degree in psychology in 1977 from Texas Tech University. He is currently a professor in the Department of Psychiatry and Human Behavior at the St. Louis University School of Medicine and the director of the Chronic Headache Program at the St. Louis University Health Sciences Center.
Martin S. Greenberg
Dr. Martin S. Greenberg received his D.D.S. degree in 1946 from St. Louis University. He is currently assistant adjunct professor in the Department of Surgery and the Department of Psychiatry and Human Behavior at the St. Louis University School of Medicine. Dr. Greenberg is also in private practice with special emphasis on temporomandibular joint dysfunction and craniomandibular pain. He is a fellow in the International College of Cranio-Mandibular Orthopedics and a member of the American Academy of Oral Medicine, the American Association of Hospital Dentistry and the National Headache Foundation.