Conclusions One-time root canal filling can be applied in the treatment of chronic pulpitis and periapical periodontitis with a strict control of indications.
结论严格掌控适应症，一次性根管充填可以进行慢性牙髓炎及慢性根尖周炎的治疗。
The method can debase the possibility of the tooth fracture during and after treatment. Methods The patients with cracked teeth have the symptom of pulpitis or periapical periodontitis.
方法选择在口腔门诊首次就诊的具有牙髓炎或根尖周炎症状的隐裂牙，采用预成金属冠修复后再作牙髓病治疗。
Objective To discuss the method and effect of one-time root canal filling in treating chronic pulpitis and chronic periapical periodontitis.
目的探讨一次性根管充填治疗慢性牙髓炎、根尖周炎的方法和效果。
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