作者报告一例十分罕见的多发性原因不明的内吸收,它进行性波及全部下颌切牙。病例一名14岁男孩因(?)牙变色求治。此区牙无外伤或治疗史。牙片显示内吸收而被拔除。镜下显示内吸收,细胞性成纤维组织替代牙髓和牙本质,炎症轻 The authors report a very rare case of multiple, unexplained internal absorption that affects all mandibular incisors progressively. Case A 14-year-old boy sought treatment for (?) Tooth discoloration. This area has no history of trauma or treatment. Tooth pieces showed internal absorption and was removed. Endoscopic absorption, cellular fibroblasts to replace pulp and dentin, inflammation, light