CC BY-NC-ND 4.0 · Eur J Dent 2016; 10(03): 361-365
DOI: 10.4103/1305-7456.184148
Original Article
Dental Investigation Society

Effects of staining and bleaching on a nanohybrid composite with or without surface sealant

Derya Merve Halacoglu
1   Department of Restorative Dentistry, School of Dentistry, Baskent University, Ankara, Turkiye
,
Kıvanc Yamanel
1   Department of Restorative Dentistry, School of Dentistry, Baskent University, Ankara, Turkiye
,
Saffet Basaran
1   Department of Restorative Dentistry, School of Dentistry, Baskent University, Ankara, Turkiye
,
Duygu Tuncer
1   Department of Restorative Dentistry, School of Dentistry, Baskent University, Ankara, Turkiye
,
Cigdem Celik
1   Department of Restorative Dentistry, School of Dentistry, Baskent University, Ankara, Turkiye
› Author Affiliations
Further Information

Publication History

Publication Date:
24 September 2019 (online)

ABSTRACT

Objective: The effect of different staining solutions and a bleaching procedure on color stability and surface roughness of a nanohybrid resin composite were evaluated with or without liquid resin polishing (RP). Materials and Methods: Ninety-six disc-shaped resin composite specimens (A1 Shade, Z550 Filtek 3M ESPE, St. Paul, MN, USA) were prepared and divided randomly into two groups (n = 48). Liquid RP (BisCover LV, Bisco Inc., Schaumburg, IL, USA) was applied in one group (RP) and not in the other (P). Specimen color and surface roughness were determined using a colorimeter and profilometer, respectively. After baseline measurements, each group was divided into four subgroups (n = 12) for immersion in a control (distilled water) or three different staining solutions (ice tea, red wine, and cola) for 1 week. Color and surface roughness were then reevaluated. After measurements, all specimens were bleached using a 35% hydrogen peroxide gel. The color and surface roughness of the specimens were reevaluated. Statistical Analysis: Data were subjected to an analysis of variance for repeated measurements among the groups (P < 0.05). Results: Staining and bleaching did not change the surface roughness of the RP and P groups (P > 0.05). Discoloration in the red wine group was higher than for the other staining solutions for the RP (P < 0.001) and P groups (P = 0.018). Conclusion: Application of liquid RP did not enhance the color stability and surface roughness of the composite resin restoration.

 
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