Influence of different post and core materials on the color of IPS-EmpressⅡ ceramic system
Wang Xiao-li, Nie Er-min, Huang Ying-he, Liu Wei, Zhang Chun-yuan
Chinese Journal of Tissue Engineering Research . 2010, (
12
): 2171 -2174 . DOI: 10.3969/j.issn.1673-8225.2010.12.020