不同根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响

Influence of different combinations of root canal preparation and filling technology on micro leakage from root tip and tooth root’s bending strength

曹纯芳吴永正吕陶红吴华英

. 2015, (3): 183 -186 .