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目的 总结牙骨质 -骨化纤维瘤的X线表现特点。方法 对 1977～ 2 0 0 2年华西口腔医学院收治的 2 1例牙骨质 -骨化纤维瘤病例的X线片进行回顾性分析。结果 牙骨质 -骨化纤维瘤的X线表现特点为①多发于下颌骨前磨牙及磨牙区。②形态较为规则 ,边界清楚 ,部分周缘可有致密骨壁线。③病变区密度不均匀 ,为放射透光区与阻射区混杂存在。④病变区膨胀及相关牙受压移位明显 ,而牙根吸收不明显 ,病变区内可含牙。⑤发生于下颌的单囊性病变 :位于牙根下方 ,呈圆或类圆形 ,根尖下方有不规则的致密团块影 ,病变周围有致密骨壁线。结论 通过对牙骨质 -骨化纤维瘤X线表现的分析可以为其临床诊断及手术方式的选择提供一定的依据
Objective To summarize the X-ray features of cementless osteo-fibroma. Methods A retrospective analysis of 21 cases of osteo - ossification fibroids from January 2007 to October 2002 in Huaxi School of Stomatology was retrospectively analyzed. Results X-ray findings of cementless osteofibroma were mainly in the premolar and molar area of the mandible. ② form a more regular, clear boundary, part of the periphery may have a dense wall line. Â ’¢ lesions uneven density for the radiation transmission zone and the impedance zone mixed existence. ④ expansion of the affected area and related tooth displacement obvious, while the root absorption is not obvious, the lesion may contain teeth. ⑤ occurred in the mandibular unilateral cystic lesions: located in the root below the root, round or oval, irregular root tip dense clumps, lesions around the dense bone wall line. Conclusions The analysis of X-ray findings of cementless osteosynthetic fibroma can provide a basis for clinical diagnosis and selection of operative methods