后牙全锆冠龈边缘预备形式的研究进展
王晓晨,王剑

Research progress on preparation forms for the margin of monolithic zirconia crowns in posterior teeth
Wang Xiao-chen,Wang Jian.
图1 后牙全锆冠不同龈边缘预备形态
Fig 1 Different gingival edge preparation forms of full zirconium crown in posterior teeth