Comparison of Clinical Effects of Au-Pt Based and Ni-Cr Based Porcelain Crowns
Li-chun Wu1*, Ye Shi1, Teng Ma2
1Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China 2Department of Stomatology, First Hospital of Huairou District, Beijing 101500, China
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