Table 1 Composition of the used surface sealants (manufacturer ́s information)

OptiBond™ FL Primer

- Uncured methacrylate ester monomers: 2-hydroxyethyl methacrylate (HEMA), glycerol phosphate dimethacrylate (GPDMA)

- 2-[2-(methacryloyloxy)ethoxycarbonyl]benzoic acid

- Solvents: ethanol

- Uncured methacrylate ester monomers: bisphenol A diglycidyl methacrylate (Bis-GMA), 2-hydroxyethyl methacrylate (HEMA), glycerol dimethacrylate (GDMA)

- Triethylene glycol gimethacrylate (TEGDMA)

- Inert mineral fillers: fumed silicon dioxide, barium aluminiumborosilicate, disodium hexafluorosilicate

- Ytterbium trifluoride

- Photoinitiator: camphorquinone Coupling factor A174

OptiBond™ FL Adhesive

OptiBond®

- Uncured methacrylate ester monomers: glycerol phosphate dimethacrylate (GPDMA), glycerol dimethacrylate (GDMA), 2-hydroxyethyl methacrylate (HEMA), bisphenol A diglycidyl methacrylate (Bis-GMA)

- Inert mineral fillers: nanosilicate, disodium hexafluorosilicate

- Ytterbium fluoride

- Photoinitiator: camphorquinone

- Solvents: water, acetone and ethanol

All-In-One