Influences of cobalt-chromium alloy versus silver-palladium alloy porcelain crown on periodontal tissues
Li Hong-yang, Zhong Li-fang, Liu Bing, Cai Hong-dan
Chinese Journal of Tissue Engineering Research . 2013, (
21
): 3893 - . DOI: 10.3969/j.issn.2095-4344.2013.21.013