Zirconia Teeth Characteristics 1. High density, high strength, no metal inner crown. The unique resistance to rupture and strong curing performance after rupture can make porcelain bridges of more than 6 units, which solves the problem that all all-ceramic systems cannot be used as...

you can use it when you buy product from my store. This card valur $10 ,but you only need to cost $0.5 you can use it buy Zirconia ,polishing bur ，Lithium disilicate ........etc.

you can use it when you buy product from my store. This card valur $200,but you only need to cost 188usd  you can use it buy Zirconia ,polishing bur ，Lithium disilicate ........etc.