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根管治疗的三个步骤是根管清理、根管消毒和根管充填。根管治疗的主要环节在于根管系统的清理。Sterwart等认为根管扩大利于根管消毒、药物渗透和根管充填。根管制备常将根管内感染物质压出根尖孔,Ingle和Beveridge等推荐采用冲洗液。许多研究表明手用器械行根管制备和冲洗是不彻底的,Richman等首先提出根管超声技术作为有效、安全。根管清理的一种辅助方法。 一、根管清理,手用器械与根管超声的比较:
Root canal treatment of the three steps is root canal cleaning, root canal disinfection and root canal filling. Root canal treatment is the main part of the root canal system to clean up. Sterwart believes that the expansion of the root canal conducive to root canal disinfection, drug penetration and root canal filling. Root canal preparation is often the root canal infection substances out of the apical foramen, Ingle and Beveridge recommend the use of irrigation fluid. Many studies have shown that hand-held root canal preparation and irrigation are not complete, and Richman et al. First proposed root canal ultrasound as an effective and safe method. Root canal cleaning an auxiliary method. First, root canal cleaning, hand instruments and root canal ultrasound comparison: