A Comparison between Shear Bond Strength of VMK Master Porcelain with Three Base-metal Alloys (Ni-cr-T3, VeraBond, Super Cast) and One Noble Alloy (X-33) in Metal-ceramic Restorations
作者： AH Sarbazi , F. Dabaghi Tabriz , S. Epakchi , A. Neshati , N. Mousavi
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摘要: Statement of Problem: The increase in the use metal-ceramic restorations and a high prevalence porcelain chipping entails introducing an alloy which is more compatible with causes stronger bond between two. This study to compare shear strength three base-metal alloys one noble commonly used VMK Master Porcelain. Materials Method: Three different groups (Ni-cr-T3, Super Cast, VeraBond) group (X-33) were selected. Each consisted 15 samples. All went through casting process change from wax pattern into metal disks. Porcelain was then fired on each group. specimens put UTM; force loaded until fracture occurred consequently recorded. data analyzed by SPSS Version 16 One-Way ANOVA run groups. Furthermore, compared two-by-two adopting Tukey test. Results: findings this revealed Ni-Cr-T3 higher than other (94 MPa or 330 N). Cast had second greatest (80. 87Mpa 283.87 Both VeraBond (69.66 245 N) x-33 (66.53 234 took third place. Conclusion: has strength. Therefore, employment low-cost recommended restorations.
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