Research progress of Er: YAG laser pretreatment methods of post space
FENG Fan, LIU Xiaqing, LI Yadan, LIU Henan, QIAO Yuxuan, LI Ying
Stomatology . 2022, (5): 467 -470 .  DOI: 10.13591/j.cnki.kqyx.2022.05.016