Journal of Conservative Dentistry
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Year : 2012  |  Volume : 15  |  Issue : 2  |  Page : 137-140

Surface roughness of flowable resin composites eroded by acidic and alcoholic drinks

1 Department of Operative Dentistry, University of Pavia, Piazzale Golgi 3, 27100 Pavia, Italy
2 Department of Orthodontics, University of Pavia, Piazzale Golgi 3, 27100 Pavia, Italy

Correspondence Address:
Claudio Poggio
Department of Operative Dentistry, University of Pavia, Policlinico "San Matteo", Piazzale Golgi 3, 27100 Pavia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.94581

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Aim: The aim of this study is to evaluate the surface roughness of four flowable resin composites following exposure to acidic and alcoholic drinks. Materials and Methods: SureFil SDR flow, TetricEvoFlow, Esthet-X Flow and Amaris Flow HT samples were immersed in artificial saliva, Coca Cola and Chivas Regal Whisky. Each specimen was examined using a Leica DCM 3D microscope: Arithmetical mean height of the surface profiles was measured (Sa). Results: Kruskal-Wallis test showed significant differences among various groups (P<0,001). Mann Whitney test was applied and control groups showed significantly lower Sa values than other groups (P=0,008). Coca Cola groups showed highest Sa values (P<0,021). No significant differences (P=0,14) in surface texture were found among the specimens of the different materials. No significant differences were found among TetricEvoFlow, Esthet-X Flow and Amaris Flow under control conditions nor after Coca Cola application. Under control condition and after Coca Cola application SureFil SDR flow showed significantly higher Sa values. Moreover, after whisky application Amaris Flow showed significantly lower Sa values then the other three groups that showed no significant differences among them. Conclusions: Acidic and alcoholic drinks eroded the surface roughness of all evaluated flowable resin composites.

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