AI Article Synopsis
- The study aimed to explore how different luting agents affect the final color of glass infiltrated alumina ceramic restorations.
- Twelve specimens were created using specific materials and bonded to metal alloy using three different types of luting agents: Zinc Phosphate cement, glass ionomer cement, and composite resin.
- Results indicated that luting agents significantly influence the color of the restorations, with composite resin having the least effect, making it the preferred choice for adhesion to minimize color change.
Article Abstract
Objective: To investigate the effects of luting agent on the final color of glass infiltrated alumina ceramic restorations.
Methods: 12 plate-shaped specimens with 12.5 mm in diameter and 0.5 mm thickness were fabricated from GI-II (color IG2). Vitadur alpha veneering porcelain (color A2) with 1.0 mm thickness was fired to GI- II glass/alumina composite. 12 plate-shaped background specimens simulating the metal alloy post-and-core 12.5 mm in diameter and 2 mm thickness were also made from Ni-Cr alloy. All-ceramic specimens were luted to the metal alloy by Zinc Phosphate cement, glass ionomer cement and composite resin. The color shifts of the specimens were measured by colorimeter.
Results: Luting agents had effect on the final color of restorations. The influence of composite resin was least, followed by glass ionomer cement and Zinc Phosphate cement. The color difference between with and without Zinc Phosphate cement could be identified by the eye.
Conclusion: To reduce the effect of luting agents, composite resin is recommended to all-ceramic restorations' adhesion.
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