Treatment of Class II Malocclusion with Combined Twin Block and Fixed Appliance Therapy with Correction of Bolton's Discrepancy - 3 Year Follow Up

Treatment of Class II malocclusion with myofunctional appliances has been proven beneficial in growing patients. Twin block appliance, introduced by Clark in 1978 is most widely used myofunctional appliance. In this case report, 11 year old female patient with Class II malocclusion treated with two phase therapy. Phase I therapy involved treatment with twin block appliance to correct mandibular retrusion. Phase II involved fixed mechanotherapy to correct minor displacement and settle occlusion. Diagnosis, treatment planning, results and three year follow up are demonstrated in this case report.