dye penetration method used in in vitro experiment revealed that apical sealing of the experimental group was better than that of the control group.
体外实验离体牙染料渗透法显示实验组根尖密闭性优于对照组。
methods dye penetration method was used to observe marginal microleakage with or without superbond on teeth in vitro.
方法应用染料渗入法,在离体牙上观察银汞合金在应用与不应用粘接剂的条件下的边缘微漏。
the dye penetration method was used to measure root tip「s micro leakage, and tooth root」s bending strength was also measured in each group.
采用染料渗透法检测各组离体牙根尖微渗漏情况,对各组离体牙进行纵向抗折强度力学测试。
methods the paper point method and dye penetration method were used to analyze the microleakage quantitatively of 78 extracted teeth inserted with retrograde filling materials.