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Posterior composite restoration update: focus on factors influencing form and function
Bohaty, Brenda S. Ye, Qiang Misra, Anil Sene, Fabio Spencer, Paulette
Bohaty, Brenda S.
Ye, Qiang
Misra, Anil
Sene, Fabio
Spencer, Paulette
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Abstract
Restoring posterior teeth with resin-based composite materials continues to gain popularity among clinicians, and the demand for such aesthetic restorations is increasing. Indeed, the most common aesthetic alternative to dental amalgam is resin composite. Moderate to large posterior composite restorations, however, have higher failure rates, more recurrent caries, and increased frequency of replacement. Investigators across the globe are researching new materials and techniques that will improve the clinical performance, handling characteristics, and mechanical and physical properties of composite resin restorative materials. Despite such attention, large to moderate posterior composite restorations continue to have a clinical lifetime that is approximately one-half that of the dental amalgam. While there are numerous recommendations regarding preparation design, restoration placement, and polymerization technique, current research indicates that restoration longevity depends on several variables that may be difficult for the dentist to control. These variables include the patient's caries risk, tooth position, patient habits, number of restored surfaces, the quality of the tooth–restoration bond, and the ability of the restorative material to produce a sealed tooth–restoration interface. Although clinicians tend to focus on tooth form when evaluating the success and failure of posterior composite restorations, the emphasis must remain on advancing our understanding of the clinical variables that impact the formation of a durable seal at the restoration–tooth interface. This paper presents an update of existing technology and underscores the mechanisms that negatively impact the durability of posterior composite restorations in permanent teeth.
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Date
2013-05-15
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Dove Medical Press
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Keywords
Composites, Bonding, Dental restorations
Citation
Bohaty, Brenda, Paulette Spencer, Misra, Ye, and Sene. "Posterior Composite Restoration Update: Focus on Factors Influencing Form and Function." Clinical, Cosmetic and Investigational Dentistry CCIDE (2013): 33. http://dx.doi.org/10.2147/CCIDE.S42044