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  • Title: Treatment of myofascial pain-dysfunction syndrome with occlusal equilibration.
    Author: Kerstein RB, Farrell S.
    Journal: J Prosthet Dent; 1990 Jun; 63(6):695-700. PubMed ID: 2102663.
    Abstract:
    Fifty-three patients with a diagnosis of chronic myofascial pain-dysfunction syndrome were treated with occlusal equilibration to establish complete anterior guidance. In approximately 5 to 7 days after treatment, most myofascial pain dysfunction symptoms disappeared and complete symptom resolution was usually attained within 3 weeks. The common symptoms all patients had were (1) pain and fatigue in the masseter and temporal muscles, (2) nocturnal bruxism, (3) jaw tension on waking up, and (4) difficulty chewing some foods. All patients had an absence of true anterior guidance with molar interferences in all excursive movements. Many patients had previously undergone orthodontic therapy and had "ideal" vertical tooth relationships. Treatment consisted of occlusal equilibration to remove all posterior interferences and establish anterior guidance. Three appointments, 1 week apart, were alloted for treatment. Major symptom reduction occurred after the first appointment. Four-year follow-ups reveal no recurrence of chronic symptoms after treatment completion.
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