Abstract：
An intricate balance between the periodontal tissues and the forces of occlusion, tongue, and lips helps to maintain a tooth in its physiologic position within the dental arch. Disturbances in the equilibrium can cause a tooth to migrate pathologically, often requiring multidisciplinary treatment approaches. The present case demonstrates, for the first time, the use of autologous platelet-rich plasma to aid in tooth repositioning after pathologic tooth migration. A 25-year-old woman presented with extrusion and labial migration of the maxillary left central incisor, a diastema of 3 mm, and grade II mobility. Radiographic evaluation showed a deep, angular bone defect, extending to the apical third of the root, on both the mesial and distal aspects of the maxillary left central incisor. Comprehensive treatment consisted of nonsurgical and surgical periodontal therapy with autologous platelet-rich plasma. Without orthodontic intervention, the unesthetic diastema had completely closed by the end of 3 months postoperatively, and the results were stable at a 3-year follow-up examination. This successful, novel approach can be adopted as a conservative and time-efficient modality for management of unesthetic spaces caused by pathologic tooth migration.
摘要：
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