Changes in Headache After Treatment of Mandibular Dysfunction

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Abstract
To analyse the effect of treatment of mandibular dysfunction on headache, 35 patients with migraine, 20 patients with combination headache and 36 patients with muscle contraction headache were studied in a clinical double-blind trial. Patients in the treatment group received occlusal adjustment and those in the placebo group mock occlusal adjustment. After eight months and four months, respectively, the neurologist evaluated the treatment outcome. The frequency of headache was reduced in 79% and the intensity in 53% of patients suffering from muscle contraction headache or combination headache in whom the adjustment of the dental occlusion had been successfully accomplished. The difference from the placebo group was statistically significant. The decrease in headache frequency as calculated from the headache diaries correlated with the decrease in the index of clinical signs of mandibular dysfunction.