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。