Conclusion 0.5% sodium hypochlorite is an effective agent for root canal irrigation.

结论0.5%次氯酸钠根管冲洗剂是较为有效的根管冲洗剂。

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Farmland flood flooding phenomenon still exists, canal irrigation water loss is large, effective supply rate is low.

农田大水漫灌现象仍然存在，渠系灌溉水损失很大，有效供水率低。

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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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