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

1.观察ZOE碘仿糊根充超充对乳牙根管治疗疗效影响。

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

2.观察氢氧化钙-碘仿糊应用于乳牙感染根管封药临床疗效。

3.Objective: To compare the clinical effects of calcium hydroxide iodoform (CHI) slurry and traditional intracanal medication such as formocresol (FC), camphophenic (CP).

3.比较氢氧化钙碘仿(CHI)糊根管消毒甲醛甲酚(FC)、樟脑酚(CP)临床效果。

4.Methods We used the Kamistad Gel as control manufactured by Germany STADA Pharmaceutical Factory and analyzed the curative effects,paregoric effects and side effects of Benzocaine Paste.

4.方法以德国史达德大药厂生产甘美达凝胶为对照组,对苯佐卡因糊疗效、止痛效果及不良反应进行临床观察,并进行计学检验。

5.Methods Indoform clont cataplasm and clove oil zinc oxide cataplasm were applied respectively to group A and group B for the one time treatment of 140 teeth of chronic periapical periodontitis.

5.目观察自行配制用于一次法根充碘甲糊效果,并根充糊进行比较。

6.Methods dip 2% lidocaine or impede narcosis, use the acuity exonerative plane root slot cut endodontium,after drying overlay thin hydrochloride zinc and than using the zinc phosphate to mount.

6.方法用2%利多卡因浸润或阻滞麻醉,用锐利挖器平根管口切断牙髓,拭干后用氢氧化钙糊覆盖根髓断面,硬固后,覆薄层氧化锌粘固粉,用磷酸锌粘固粉封洞。