Abstract
For long-term successful use of ceramic materials in dental procedures, it is necessary to ensure reliable bonding of restorations to dental substrates. This can be achieved by the application of a proper luting cement and through additional surface conditioning. The present systematic review summarizes the most up-to-date evidence on the use of different surface modification methods to enhance the bond strength of dental ceramics to the hard tissues of the teeth. The authors of the review searched the Web of Science, Scopus, and MEDLINE databases to identify relevant articles published between 1 January 2010 and 1 January 2020. A total of 4892 records were identified, and after screening, the full text of 159 articles was evaluated, which finally resulted in the inclusion of 19 studies. The available reports were found to be heterogeneous in terms of materials and methodology, and therefore, only within-studies comparison was performed instead of comparison between studies. A statistically significant difference in the bond strength between the samples treated with different methods of surface conditioning, or between conditioned and nonconditioned samples, was revealed by most of the studies. Predominantly, the studies showed that a combination of mechanical and chemical methods was the most effective way of enhancing bond strength. Artificial aging and luting cement were also identified as the factors significantly influencing bond strength.
Highlights
Due to growing esthetic demand and the development of computer-aided design/computer-aided manufacturing (CAD/CAM) systems in recent years, ceramics have become a very popular material for the manufacturing of fixed dental prosthetics, ranging from veneers, inlays, and onlays to full-crown restorations and bridges
A statistically significant difference in bond strength between the samples treated with different surface conditioning methods, or between the conditioned and nonconditioned samples, was revealed in most of the studies [7,16,18,19,20,21,23,24,25,26,27,28,29,30,31,32,33]
A statistically significant difference in bond strength between the samples treated with different surface conditioning methods, or between conditioned and nonconditioned samples, was revealed in most of the studies
Summary
Due to growing esthetic demand and the development of computer-aided design/computer-aided manufacturing (CAD/CAM) systems in recent years, ceramics have become a very popular material for the manufacturing of fixed dental prosthetics, ranging from veneers, inlays, and onlays to full-crown restorations and bridges. Reliable adhesion could be achieved by using a proper luting cement providing attachment of dental restoration to the prepared teeth (including conventional cements, such as zinc phosphate or glass-ionomer, and contemporary cements, such as resin and resin-modified glass-ionomer) and through additional surface conditioning. This will increase the retention of the restoration and minimize microleakage, improve marginal adaptation, and increase the fracture resistance, thereby ensuring durability and long life of the prosthetic reconstruction [5,6,7]
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