牙髓术后的疼痛是医生和病人共同关心的问题,为处理牙髓治疗后的疼痛,皮质类固醇已被推荐使用。皮质类固醇有稳定细胞膜的作用,还有阻滞神经冲动传导的强大作用。经Smith 等用于狗的组织学证实类固醇能有效地减轻器械操作引起的炎症反应,认为牙髓或根尖周围组织局部接触皮质类固 Pain after endodontic surgery is a common concern for both physicians and patients and corticosteroids have been recommended for the treatment of pain after endodontic treatment. Corticosteroids have a stabilizing effect on the cell membrane, as well as a powerful blocker of nerve impulse conduction. Histology for dogs by Smith et al. Confirmed that steroids can effectively reduce the inflammation caused by the operation of the device, that the dental pulp or periapical tissue local contact with corticoid