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Abstract
Compare biofeedback technique and modified therapy program in children with myofascial pain of masticatory system. Thirty children girls with masticatory myofascial pain, from fourteen to eighteen years. Divided into two equal groups. They were recruited from the outpatient clinic of oral and maxillofacial surgery department, Faculty of oral and dental medicine, Cairo University. With 15 cases of diagnosed patients with myofascial pain syndrome who were willing to accept the biofeedback treatment, it was to carry out EMG BF for them under the guidance of electromyograph and relaxation treatment, and made a comparison of clinical efficacy grading, the following parameters were taken at one month; visual analogue scale (VAS) scores of present pain, lowest and highest pain over the past period; percentage of pain relief; pain pressure threshold (PPT) by algometer of masseter and temporalis muscles; jaw function while boley gauge was used for measuring maximum mouth opening MMO. Pain scores decreased while PPT and MMO increase in both groups, after one month of intervention, significant difference were present the PPT of masseter in group A and group B (P = 0.36 ). Also, the VAS scores of present (p = 0.003) pain while the MMO scores (p = 0.19) improved. There was no significant difference between two groups. Conclusion: Comparing biofeedback training with modified therapy program as a treatment for myofascial pain in cranio mandibular region, shows that both treatment modalities are effective in relieving cranio mandibular pain in children