根管治疗是目前国内外学者所公认的治疗牙髓病及根尖周病的最有效的治疗方法 ,其远期效果尤为突出。在根管预备封药消毒过程中 ,有时会并发急性炎症 (急症 ) ,出现较为严重的疼痛和肿胀 ,容易造成患者对医生的不信任及对以后治疗的不合作 ,因此 ,应尽量避免这种情况发生。为了 Root canal therapy is currently recognized by scholars at home and abroad for the treatment of pulp disease and periapical disease the most effective treatment, the long-term effect is particularly prominent. In the preparation of root canal preparation septic disinfection, sometimes complicated by acute inflammation (acute illness), the more serious pain and swelling, easily lead to the patients do not trust the doctor and the future treatment of non-cooperation, therefore, should try to avoid this The situation happened. in order to