Table 1 List of materials used in the study.
Product | Composition | Manufacturer | Lot number |
|---|---|---|---|
Resin modified glass ionomer cement. Riva light cure | Fluoroaluminosilicate glass powder Polyacrylic acids, Tartaric acid 2-Hydroxyethyle methacrylate Dimethacrylate cross- linker Acidic monomer | SDI, Victoria, Australia | J2102227 |
Conventional glass ionomer cement. Riva self-cure | Fluoroaluminosilicate glass powder Polyacrylic acids Tartaric acid | SDI,Victoria, Australia | B2208044EA |
Composite resin Tetric N ceram | dimethacrylates (19–20 wt%). The fillers contain barium glass, ytterbium trifluoride, mixed oxide and copolymers (80–81 wt%). | Ivoclar Vivadent Inc., Amherst, N.Y., USA | Z01WT9 |
Universal Adhesive Tetric N -bond universal | Phosphoric acid acrylate, HEMA, Bis-GMA, urethane dimethacrylate, ethanol, film-forming agent, initiators and stabilizers. | Ivoclar Vivadent Inc., Amherst, N.Y., USA | Z030W1 |
N-etchant | Phosphoric acid (37 wt% in water), thickeners and pigments. | Ivoclar Vivadent Inc., Amherst, N.Y., USA | Z01xth |
