【摘要】 目的 观察Periocur消炎液用于根管消毒的临床疗效。方法 选择256例慢性根尖周炎病例，随机分成观察组(Periocur消炎液组)130例、对照组(甲醛甲酚组)126例，观察根管封药1周后的临床疗效。结果 Periocur消炎液组74.6%一次封药后即可行根管充填，甲醛甲酚组为68.3%，两组的临床疗效差异无显著性。Periocur消炎液组治疗期间只有4.6%产生疼痛，甲醛甲酚组则有11.9%产生疼痛。结论 在根管消毒的临床疗效方面，Periocur消炎液具有甲醛甲酚相似的效果，同时，Periocur消炎液在减少治疗期间疼痛和减轻根尖周组织的刺激性方面效果优良。

    【关键词】 Periocur消炎液； 甲醛甲酚； 根管消毒

    【Abstract】 Objective To evaluate and compare the efficacy of Periocur or formocresol as intracanal medicament in root canal therapy of chronic teeth apicitis.Methods 256 cases with chronic apicitis were divided randomly into the observational group (use Periocur as intracanal medicament) and the contol group (use formocresol as intracanal medicament) ......