ProTaper Universal再治疗系统去除根管内充填物的体外研究
Journal of Practical Stomatology（2010）
Abstract
分别采取2种方法去除离体上前牙根管内充填物。A组:ProTaper Universal再治疗锉(D1、D2、D3);B组:K锉+丁克除(Desocclusol)。记录操作时间和根管内充填物残留情况。A组操作时间明显短于B组(P<0.05);A组根管清洁程度高于B组,但差异无显著性(P>0.05)。ProTaper Universal再治疗锉去除根管内充填物安全、快速、有效。
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Key words
Root canal retreatment,ProTaper Universal retreatment system
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