An experimental study on the effect of different optical impression methods on marginal and internal fit of all-ceramic crowns
TAN Fa-bing1, WANG Lu1, FU Gang1, WU Shu-hong2, JIN Ping2
West China Journal of Stomatology . 2010, (01): 29 -33 .  DOI: 10.3969/j.issn.1000-1182.2010.01.008