光带环固定加全冠修复治疗隐裂后牙402颗报告

Effect of Band Rings Fixation and Complete Coronal Restoration in Treatment of 420 Cracked Posterior Teeth

目的:观察光带环固定加全冠修复治疗隐裂后牙的临床疗效。方法:采用光带环粘结外固定隐裂后牙,进行完善的根管治疗,然后采用铸造金属烤瓷冠或金属冠进行修复,随访0.5～6年,评价修复效果。结果:成功及保存365颗,失败37颗。临床疗效受多方面因素的影响,其中裂纹的深度、牙周袋的深度均影响治疗的成功率。结论:光带环固定加全冠修复是保存治疗隐裂后牙的有效方法,同时能给临床医师带来便利,减少患者的痛苦。

Objective:To observe the clinical effects of band rings fixation and complete coronal restoration in the treatment of incompletely fractured posterior teeth.Methods:With band rings bonded and fixed the incompletely fractured Posterior teeth,and carried out full range root canal treatment,then fixed and repaired it with metal or PFM full crown,and followed-up survey lasted 6 to 72 months.Results:365 cases ware judged to be successful,and 37 were failed.The clinical effects were influenced by many factors.The crack depth and the periodontal pocket depth also affected the success rate in the treatment.Conclusion:Band rings fixtion and complete coronal restoration are an effective method to treat the incompletely fractured posterior teeth,meanwhile,it can benefit clinical operation and reduce the patients' anguish.