Effect of full crown preparation with ultrasound instrument on marginal adaption: a randomized controlled trial

XU Xiao-bo, HOU Yong-fu，BIAN Hua-qin,WANG Mian, HUANG Yan.

Shanghai Journal of Stomatology . 2018, (3): 318 -321 . DOI: 10.19439/j.sjos.2018.03.022