<prompt> The treatment of choice for fibrous dysplasis of mandible in a 7 year old girl isWait and watchSymmetrical resection of mandibleHemi mandibulectomyLocal irradiation  <response>: Fibrous dysphasia stas in early childhood. Lesion is usually small and asymptomatic and often diagnosed accidentally during radiological examination. Lesions are small and-asymptomatic and progress slowly. Majority of fractures heal by conservative management Sarcomatous changes occur by irradiation. 