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REVIEW ARTICLE
Year : 2017  |  Volume : 14  |  Issue : 4  |  Page : 225-240

Analytical methods for the measurement of polymerization kinetics and stresses of dental resin-based composites: A review


1 Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2 Department of Dental Biomaterials, School of Dentistry/Research Center for Science and Technology in Medicine, Tehran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Tabassom Hooshmand
Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, North Kargar Avenue, Tehran 14174
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-3327.211628

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Resin-based composites are commonly used restorative materials in dentistry. Such tooth-colored restorations can adhere to the dental tissues. One drawback is that the polymerization shrinkage and induced stresses during the curing procedure is an inherent property of resin composite materials that might impair their performance. This review focuses on the significant developments of laboratory tools in the measurement of polymerization shrinkage and stresses of dental resin-based materials during polymerization. An electronic search of publications from January 1977 to July 2016 was made using ScienceDirect, PubMed, Medline, and Google Scholar databases. The search included only English-language articles. Only studies that performed laboratory methods to evaluate the amount of the polymerization shrinkage and/or stresses of dental resin-based materials during polymerization were selected. The results indicated that various techniques have been introduced with different mechanical/physical bases. Besides, there are factors that may contribute the differences between the various methods in measuring the amount of shrinkages and stresses of resin composites. The search for an ideal and standard apparatus for measuring shrinkage stress and volumetric polymerization shrinkage of resin-based materials in dentistry is still required. Researchers and clinicians must be aware of differences between analytical methods to make proper interpretation and indications of each technique relevant to a clinical situation.


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