الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
Twenty patients with crown-root fracture in maxillary incisors were selected from outpatient clinic in pediatric dentistry department- Cairo University. Twelve males and eight females with age range from 11-14 years participated in this study. Surgical extrusion was performed combined with endodontic treatment. Patients were evaluated using cone beam computed tomography (CBCT) and periotest. Contra-lateral teeth were taken as controls. Possible side effects that were investigated are; ankylosis, increased tooth mobility, root resorption, and possibility of tooth loss Results Twenty patients participated in this study with mean age of 131 month. Only 17 patients completed a follow-up period of at least 1 year. Mean follow-up period for all patients was 16 month.