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Active 3 년, 7 개월 전
Zirconia: Taking Dental Restorations to the Next Level
Since the introduction of porcelain-fused-to-metal (PFM) crowns in the 1960s, the dental industry has sought materials with both the esthetic value of porcelain, and the strength of noble metals to withstand the pressure of posterior occlusal forces.
Glass-ceramic materials […] 보기