不同锥度牙胶尖热垂直加压法根尖封闭性的研究
赵晓一 王世明 张成飞
Quality of apical seal of differ ently taper ed gutta- per cha cone using warm ver tical condensation technique
ZHAO Xiao- yi1, WANG Shi- ming1, ZHANG Cheng- fei2.
华西口腔医学杂志 . 2007, (06): 548 -550 .