Research Article

Evaluation of Marginal Integrity of Four Bulk-Fill Dental Composite Materials: In Vitro Study

Table 1

Bulk-fill composite materials used in the study.

Resin compositeTypeManufacturerBonding agentMaximum increment thickness recommended by manufacturerComposition according to manufacturer’s informationNumber of restorations

Filtek Bulk FillFlowable3M ESPEAdper Single Bond 24 mmBis-GMA, UDMA, Bis-EMA, and Procrylat resins. Fillers are a combination of zirconia and silica having a particle size of 0.01–4.5 microns and ytterbium trifluoride filler having a particle size of 0.1–5.0 microns30

SDRFlowableDentsply DeTreyXP Bond 4 mmBarium aluminofluoroborosilicate glass, strontium aluminofluorosilicate glass, modified urethane dimethacrylate resin, ethoxylated bisphenol A dimethacrylate (EBPADMA), triethylene glycol dimethacrylate (TEGDMA), camphorquinone photoinitiator, butylated hydroxytoluene (BHT), UV stabilizer, titanium dioxide, and iron oxide pigments30

SonicFillSonic flowableKerrOptiBond Solo Plus5 mmGlass, oxide, chemicals (10–30%), 3-trimethoxysilylpropyl methacrylate (10–30%), silicon dioxide (5–10%), ethoxylated bisphenol A dimethacrylate (1–5%), bisphenol A bis(2-hydroxy-3-methacryloxypropyl) ether (1–5%), and triethylene glycol dimethacrylate (1–5%)30

Tetric EvoCeram Bulk FillPackableIvoclar VivadentExciTE F4 mmMonomer matrix containing dimethacrylates (20-21% weight). The fillers contain barium glass, ytterbium trifluoride, mixed oxide, and prepolymer (78%–81% by weight). Additional contents are additives, catalysts, stabilizers, and pigments (<1.0% weight)30