3D Surface Profile and Color Stability of Tooth Colored Filling Materials after Bleaching

Table 1

Composites resin and bleaching agents tested.

Materials	Composition	Manufacturer	Batch number
Filtek Z350 XT; (nanohybrid composite resin)	BisGMA, Bis-EMA, UDMA, and TEGDMA; Filler size of 5–20 nm; Filler loading is 78.5% by weight or 58.5% by volume	3M ESPE, St. Paul, MN, USA	N179865
Estelite Σ Quick; (microhybrid composite resin)	BisGMA and triethylene glycol dimethacrylate (TEGDMA); Filler size of 0.1–0.3 μm; Filler loading is 82% by weight or 71% by volume	Tokuyama Dental, Tokyo, Japan	E542
Ketac N100; (resin-modified nanoglass ionomer)	Based on the methacrylate-modified polyalkenoic acid; Deionized water; Methacrylate: blend including HEMA; Polyalkenoic acid: VBCP; Glass: acid-reactive FAS glass, nanoparticles, and nanoclusters	3M ESPE, St. Paul, MN, USA	N389644
Opalescence home bleaching: Opalescence PF	20% carbamide peroxide; Potassium nitrate; 0.11% fluoride ions	Ultradent Products Inc., South Jordan, UT, USA
Opalescence in-office bleaching chair-side Whitening: Opalescence Boost	40% hydrogen peroxide	Ultradent Products Inc., South Jordan, UT, USA

Bis-GMA: bisphenol-glycidyl methacrylate; BIS-EMA: ethoxylated bisphenol A glycol dimethacrylate: UDMA: urethane dimethacrylate: TEGDMA: triethylene glycol dimethacrylate: HEMA: hydroxy ethyl methacrylate; VBCP: vitrebond copolymer; FAS: fluoroaluminosilicate.