【摘要】 目的探讨根管内折断器械的外科去除方法。方法对33例根管内器械折断的病例,用常规方法不能取出的,应用根尖外科手术的方法,去除断针并评价其临床疗效。结果应用根尖外科手术成功去除根管内折断器械31例,成功率为93.9%。结论根尖外科手术可作为复杂的根管内折断器械的去除方法,提高患牙的保存率。更多还原

【Abstract】 Objective To discuss the surgical method to remove the broken instruments in root canal.Methods Thirty - three cases of broken instruments in root canal,which can not be removed by traditional methods,were removed by apical surgery.The clinical efficacy was evaluated.Results Thirty - one cases of broken instruments in root canal were removed by apical surgery and the success rate was 93.9%.Conclusion Apical surgery can be used to remove the broken instruments in complex root canals,so as to improve the preservation rate of the teeth.更多还原