78例牙隐裂伴牙髓炎的临床特征与诊治

目的：对伴牙髓炎的牙隐裂的病因、隐裂特征进行分析，探讨其临床诊断及治疗方法。方法将78例牙髓炎伴牙隐裂的患者作为研究对象，对患者的发病年龄、牙位、隐裂线走向进行分析，采取调、根管治疗及全冠修复试保留患牙，并且在修复1年后临床随访观察其治疗效果。结果39~49岁患者牙隐裂发生率最高，以上颌第一磨牙多见。78例隐裂牙综合治疗成功65例(83.33%)，有效11例(14.10%)，失败2例(2.56%)。结论对隐裂牙进行合理的诊断和治疗能有效地保留患牙，对牙隐裂伴牙髓炎的患者进行根管治疗后的全冠修复是有效的。

The clinical diagnosis and treatment of 78 cracked teeth with pulpitis

Objective To analysis the causes and characteristic of cracked teeth with pulpitis and explore clinical diagnosis and treatment methods.Methods A total of 78 tooth that was identified as a cracked tooth with pulpitis was recorded and analyzed in terms of the age,the position in the mouth,and the location of crack-line.After reducing the cusp height,root canal therapy and crown restoration,the patients were followed up for one year and the treatment effectiveness was reviewed.Results The most prevalent age was 39-49 years.The most of cracked teeth were found in the maxillary molars.There were 65 cases (83.33%)that were treated successfully,the function of 1 1 cases (14.10%)were improved,and the rate of failure were 2.56% (2 cases).Conclu-sion Reasonable clinical diagnosis and treatment can contribute to the retention of the cracked teeth.Coronal restoration after root canal therapy might be a very effective way to treat cracked teeth with pulpitis.