结论FE复合酶是一种安全、有效的控制急性根尖周炎的局部使用药物。
Conclusions fe Compound Enzyme was a safe and effective drug for controlling the local infection of acute apical periodontitis.
目的：探讨慢性根尖周炎患者进行一次性根管治疗术的急性发作原因和预防措施。
Objective To evaluate and compare the efficacy of calciun hydroxide or formocresol as an intracanal medicament in root canal therapy of periapical periodontitis teeth.
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