A 3-year randomized clinical trial evaluating two different bonded posterior restorations: Amalgam versus resin composite

ABSTRACT Objective: To compare the performance and postoperative sensitivity of a posterior resin composite with that of bonded amalgam in 40 ( n = 20) large sized cavities and to evaluate whether resin composite could be an alternative for bonded amalgam. Materials and Methods: This was a randomize...

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Published inEuropean journal of dentistry Vol. 10; no. 1; pp. 016 - 022
Main Authors Kemaloglu, Hande, Pamir, Tijen, Tezel, Huseyin
Format Journal Article
LanguageEnglish
Published A-12, Second Floor, Sector -2, NOIDA -201301, India Thieme Medical and Scientific Publishers Private Ltd 01.01.2016
Medknow Publications and Media Pvt. Ltd
Medknow Publications & Media Pvt Ltd
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Summary:ABSTRACT Objective: To compare the performance and postoperative sensitivity of a posterior resin composite with that of bonded amalgam in 40 ( n = 20) large sized cavities and to evaluate whether resin composite could be an alternative for bonded amalgam. Materials and Methods: This was a randomized clinical trial. Twenty patients in need of at least two posterior restorations were recruited. Authors randomly assigned one half of the restorations to receive bonded amalgam and the other half to composite restorations. Forty bonded amalgams ( n = 20) and composites ( n = 20) were evaluated for their performance on modified-US Public Health Service criteria and postoperative sensitivity using visual analogue scale (VAS) for 36-months. Results: Success rate of this study was 100%. First clinical alterations were rated as Bravo after 1 year in marginal discoloration, marginal adaptation, anatomical form, and surface roughness for both amalgam and composite. At the 3 rd year, overall “Bravo” rated restorations were 12 for bonded amalgam and 13 for resin composites. There were no significant differences among the VAS scores of composites and bonded amalgams for all periods ( P > 0.05) except for the comparisons at the 3 rd year evaluation ( P < 0.05). Conclusions: Within the limitation of this study, both resin composite and bonded amalgam were clinically acceptable. Postoperative sensitivity results tend to decrease more in composite restorations rather than amalgams. Therefore, it was concluded that posterior resin composite can be used even in large sized cavities.
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ISSN:1305-7456
1305-7464
DOI:10.4103/1305-7456.175692