目的观察比较氢氧化钙、抗生素制剂和甲醛甲酚在根管内封药的消毒效果。
Comparison of the effect of calcium hydroxide and formocresol on treatment of chronic periapical periodontitis;
目的：比较氢氧化钙和甲醛甲酚(FC)对去髓术和根管治疗术的封药效果。
AIM: to compare the drug closing effect of calcium hydroxide or FC in pulpectomy and root canal therapy in rat.
目的：探讨替硝唑复合糊剂和甲醛甲酚液对慢性根尖周炎根管治疗期间急症的疗效差异。
Objective: To observe the effects of tinidazole composite cataplasm and formaldehyde cresol solution on the incidence of acute inflammation in root canal treatment of chronic periodontitis patients.
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