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  • Title: Treatment outcome of headache after occlusal appliance therapy in a randomised controlled trial among patients with temporomandibular disorders of mainly arthrogenous origin.
    Author: Ekberg E, Vallon D, Nilner M.
    Journal: Swed Dent J; 2002; 26(3):115-24. PubMed ID: 12425225.
    Abstract:
    The aim of this study was to evaluate headaches before and after treatment with a stabilisation appliance and a control appliance in a randomised controlled trial in patients having temporomandibular disorders (TMD) of mainly arthrogenous origin. The effect of treatment was evaluated both in a short and in long-term perspective. 60 patients (mean age 30 years) with TMD of mainly arthrogenous origin were studied. The patients were selected from patients referred for treatment of TMD during a 3-year period to the Department of Stomathognathic Physiology, Faculty of Odontology, Malmö University. The 60 patients included in the study were randomly assigned to a treatment (T) or a control (C) group. The study was performed as a randomised controlled trial including evaluation of treatment effect on tension-type headache after 10 weeks, 6 and 12 months. At the 10 weeks follow-up, the patients who reported a negative treatment outcome and/or discomfort associated with the use of the appliances had their appliances readjusted. Patients who demanded further treatment received a stabilisation appliance (21 patients from the C-group), creating a new mixed (M) group. All the 60 patients reported frequency of headache from rarely up to daily at the start of the study. In the T-group 76% and in the C-group 83% of the patients reported headache at least once a week or more before treatment. At the 10 weeks follow-up, a statistically significant difference was found regarding headache several times a week or more between the T- and C-groups and within the T-group. At the 6 months follow-up, a statistically significant reduction was found in headache several times a week or more in the T- and M-groups. The number of patients with headache once a week or more decreased significantly in the T- and M-groups at the 12 months follow-up. We conclude that the stabilisation appliance seems to have an effect on the frequency of tension-type headache both in a short and in a long-term perspective in patients with TMD of mainly arthrogenous origin.
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