Objective: To evaluate the effect of overfilling with zinc oxide eugenol (ZOE) on root canal therapy (RCT) for primary tooth.

观察ZOE碘仿糊剂根充超充对乳牙根管治疗疗效的影响。

To evalate the efficacy of iodoform-calcium hydroxide used as an intracanal medication in root canal therapy of deciduous teeth with periapical periodontitis.

观察氢氧化钙-碘仿糊剂应用于乳牙感染根管封药的临床疗效。