Wilcox L R, Walton R E
Endod Dent Traumatol. 1989 Dec;5(6):298-301. doi: 10.1111/j.1600-9657.1989.tb00377.x.
A case of a patient with a history of root canal treatment and re-treatment and a persistent periapical radiolucency is reviewed. Following surgery, biopsy material was submitted and diagnosed as periapical cemental dysplasia (PCD). With careful diagnosis, PCD should be readily differentiated from endodontic pathosis, thus avoiding unnecessary root canal treatment. In this case, surgery was necessary to rule out other inflammatory disease or benign odontogenic entities.
本文回顾了一例有根管治疗和再治疗史且根尖周持续存在透射区的患者病例。手术后，提交了活检材料，诊断为根尖周牙骨质发育异常（PCD）。通过仔细诊断，PCD应易于与牙髓病鉴别，从而避免不必要的根管治疗。在本病例中，有必要进行手术以排除其他炎症性疾病或良性牙源性病变。
