Table 1: Manufacturer, composition, and batch number of the products used.

Product/ Color/ Manufacturer Type Batch No Composition
Filtek™ Z250/ A2 / 3M ESPE/ Microhybrid N335907BR Zirconia e Silica/0,19-3,3 µm / Bis-GMA, UDMA, Bis-EMA
Filtek™ Z350XT/ A2 / 3M ESPE Nanofilled N330815BR Silica/ 20nm/ Zirconia/ 4-11nm/ Bis-GMA, UDMA,TEGDMA, e Bis-EMA
Tetric N-Ceram/ A2 / IVOCLAR VIVADENT Nanohybrid L58656 Barium glass, barium aluminium-borosilicate and silica/ Bis-GMA, Bis-EMA, TEGDMA, barium glass
Neutral fluoride gel 2% / DFL Neutral fluoride L16101442 2% sodium fluoride, sodiumsaccharin, hydroxyethyl cellulose, propylene glycol,glycerin, deionized water
Phosphate fluoride gel 1.23% / DFL Acidified phosphate fluoride L14091446 Sodium fluoride, cellulose, fluoridric acid, phosphoric acid, propylenoglicol, colorant, flavor, and deionized water