Apical positioning and root canal measurement are the key to the success of the toot canal treatment.
根尖定位和根管长度测量是根管治疗术是否能够成功的关键。
Result: The novel root canal material can seal apical densely and has better degree of obturation than normal materials.
结果：新型根管充填材料能够严密地封闭根尖孔，与根管壁间的密合性优于常用根管充填材料。
However, there still lack of relatively systematic reports about the effect of root canal irrigation solutions on the repair of apical and periapical tissue.
但其究竟是如何促进愈合？根管冲洗液对病变组织的愈合有何影响？目前国内外尚未见较系统的研究报道。
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