Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Surgery

The aim of this study was to evaluate the short-term effect of the botulinum toxin type A injection for the treatment of myofascial pain dysfunction syndrome. Fifteen patients suffering from myofascial pain dysfunction syndrome were included in this study. The patients were selected from the out patient clinic of oral and maxillofacial surgery department, Faculty of oral and dental medicine, Cairo university. All masseter and temporalis muscles were injected with 20-30 Units of BTX-A respectively and followed up for three months. Follow up assessment included on clinical measurements of maximal inter-incisal opening, range of lateral movement and visual analogue scale for pain. EMG images were ordered pre-operatively and at the end of 3 months period to quantify any changes in muscle activity. Results of the present study showed clinical disappearance of pain in all patients upon completing the follow up period

Issued also as CD