Table 1 Brand, type, chemical composition and lot no. of used materials.
Brand | Type | Chemical composition | Lot number |
|---|---|---|---|
Scotchbond Universal Etchant (3M Oral Care) | Etching gel | Phosphoric acid 35%, water, synthetic amorphous silica | 466293 |
Beautifil II LS (Shofu Inc, Kyoto, Japan) | Low-shrinkage Giomer resin composite | Multifunctional glass and S-PRG filler based on fluoro-boro-aluminosilicate glass, pre-polymerized filler, nano filler, photo-initiator, low-shrinkage urethane diacrylate, bis-MPEPP, bis-GMA, TEGDMA | 062269 |
BeautiBond Xtreme (Shofu Inc, Kyoto, Japan) | Universal adhesive | Bisphenol-A-diglycidyl methacrylate (10–20%), Triethylene-glycol dimethacrylate (<10%), Acid monomer (<20%), Acetone and water (65–85%), Silane coupling agent (<5%), Others (<5%) | 072355 |
Filtek Z250XT (3 M ESPE, St. Paul, MN, USA) | Nano-hybrid composite | Organic matrix: bisphenol A-glycidyl methacrylate, urethane dimethacrylate, bisphenol A polyethylene glycol diether-dimethacrylate, triethylene-glycol dimethacrylate Inorganic filler: zirconia/silica, Aluminum oxide | 9712886 |
Single bond universal (3M ESPE, Neuss, Germany) | Universal adhesive | 10-MDP phosphate monomer, Vitrebond, copolymer, HEMA, Bis-GMA, dimethacrylate resin, silane, ethanol, water. | 30704B |
