Comparison of the effect of calcium hydroxide and formocresol on treatment of chronic periapical periodontitis;
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。
2
Objective To evaluate and compare the efficacy of calciun hydroxide or formocresol as an intracanal medicament in root canal therapy of periapical periodontitis teeth.