OBJECTIVE: To evaluate the influence of different cleaning methods, surface treatments, and aging on the repair bond strength to a CAD/CAM glass-ceramic. MATERIALS AND METHODS: Forty-eight lithium disilicate CAD/CAM ceramic blocks were fabricated, sintered, and embedded in acrylic resin. After contamination with human saliva, they were divided according to the factors "Cleaning method" (Control-water/air spray, Air-particle abrasion with Al RESULTS: Significant factors affecting SBS were cleaning method and aging. Surface treatment had an influence but was not statistically significant (p = 0.0591). The IMEP (11.10±2.90 CONCLUSION: Air-particle abrasion with Al CLINICAL SIGNIFICANCE: Lithium disilicate ceramic repair with resin composite is more effective when the ceramic is first decontaminated using a cleaning agent or air-particle abrasion. For conditioning, either MEP or HF followed by silane can be used
however, MEP presents lower toxicity.