Abstract The adhesion between zirconia core and porcelain is an essential factor that affects the long-term stability of zirconia-based restorations. This paper was aimed to evaluate the adhesion between commercially available porcelain veneering materials and digital light processing (DLP)-manufactured zirconia. The adhesion characteristics were compared with those of veneer and zirconia core fabricated by conventional subtractive manufacturing. The DLP-manufactured zirconia substrates were veneered by one experienced dental technician with the following porcelains: IPS e.max Ceram (DE), VM9 (DV), and VintageZR (DZ). The subtractive-manufactured substrate was veneered by VintageZR (SZ) only. The results showed that the zirconia fabricated by DLP showed adequate bonding when veneered by commercial dental porcelains. Among the DLP-manufactured zirconia substrates with different brands of dental porcelains, DZ showed a significantly higher bond strength and strain energy release rate than the other two groups (p 0.05). On the basis of the results, the adhesion between DLP-manufactured zirconia and the veneer ceramic can be affected by the brand of the dental porcelain. The zirconia fabricating method did not affect bonding of the zirconia/porcelain structure.

中文翻译：

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瓷贴面和立体光刻增材制造氧化锆的施维克拉特附着力测试

摘要 氧化锆核与瓷器的附着力是影响氧化锆基修复体长期稳定性的重要因素。本文旨在评估市售瓷贴面材料与数字光处理 (DLP) 制造的氧化锆之间的附着力。粘合特性与通过传统减材制造制造的单板和氧化锆芯的粘合特性进行了比较。DLP 制造的氧化锆基材由一位经验丰富的牙科技师使用以下瓷器进行贴面：IPS e.max Ceram (DE)、VM9 (DV) 和 VintageZR (DZ)。减材制造的基材仅由 VintageZR (SZ) 贴面。结果表明，由 DLP 制造的氧化锆在用商业牙瓷贴面时表现出足够的结合力。在使用不同品牌牙瓷的 DLP 制造的氧化锆基材中，DZ 显示出明显高于其他两组的粘合强度和应变能释放率（p = 0.05）。根据结果​​，DLP 制造的氧化锆与贴面陶瓷之间的附着力会受到牙瓷品牌的影响。氧化锆的制造方法不影响氧化锆/瓷结构的结合。