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根管治疗包括根管预备清理成形、化学消毒及根管充填三大步骤,任何一个步骤不够完善都会导致根管治疗的失败。根管清理是根管预备成形中的一个关键,单纯进行机械预备不能彻底清洁根管壁,必须使用化学药物辅助预备联合冲洗根管才能达到清洁的效果。临床上多使用3%过氧化氢和生理盐水进行交替冲洗根管,清洁效果不理想,笔者使用乙二胺四乙酸(ethylene diamine tetraacetic acid,EDTA)凝胶辅助根管预备以及使用
Root canal therapy includes root canal preparation and cleaning, chemical disinfection and root canal filling three steps, any one step is not perfect will lead to the failure of root canal therapy. Root canal cleaning is one of the key points in root canal preparation. Simple mechanical preparation can not completely clean the root canal wall. It is necessary to use chemotherapeutic drugs to prepare the root canal in combination with irrigation to achieve the cleaning effect. Clinically, more use of 3% hydrogen peroxide and saline for alternating irrigation of the root canal, the cleaning effect is not satisfactory, the author uses ethylene diamine tetraacetic acid (EDTA) gel auxiliary root canal preparation and use