Table 2.
Materials used in the study
| Material/manufacturer | Batch No | Composition | Application |
|---|---|---|---|
| Clearfil Universal Bond/Kuraray Dental, Tokyo, Japan | 4T0015 |
MDP Bis-GMA HEMA Hydrophilic aliphatic dimethacrylate Colloidal silica Silane coupling agent dl-Camphorquinone Ethanol Water |
Selective etch technique Apply phosphoric acid etching gel (37%) to the enamel, leave it in place for 30 s, and then rinse and dry Apply bond to the entire lesion with the applicator brush and rub for 10 s Dry the entire lesion sufficiently by blowing mild air for more than 5 s until bond does not move Light-cure bond with 1200 mW/cm2 LED for 10 s |
| iBOND Universal/Heraeus Kulzer, Hanau, Germany | 010021 |
Acetone 4-methacryoxyethltrimellitic acid anhydride Diurethane dimethacrylate |
Selective etch technique Apply phosphoric acid etching gel (37%) to enamel and leave it in place for 30 s, and then rinse and dry Apply bond to the entire lesion with the applicator brush and rub for 20 s Dry the entire lesion sufficiently by blowing mild air for more than 5 s until bond does not move Light-cure bond with 1200 mW/cm2 LED for 10 s |
| G-Premio Bond/GC, Tokyo, Japan | 160413A |
MDP Acetone Dimethacrylate Phosphoric acid ester monomer Photoinitiator BHT MDTP |
Selective etch technique Apply phosphoric acid etching gel (37%) to enamel and leave it in place for 30 s and then rinse and dry Apply bond to the lesion with the applicator brush Leave undisturbed for 10 s Dry thoroughly for 5 s under maximum air pressure Light-cure bond with 1200 mW/cm2 LED for 10 s |
| G-ænial Universal Flo/GC, Tokyo, Japan | 1208012 |
UDMA Bis-MEPP TEGDMA Silicon dioxide (16 nm) Strontium glass (200 nm) Pigment Photo initiator |
Place the dispensing tip as close as possible to the lesion and slowly push the plunger to syringe material Light-cure for 20 s (LED) (1200 mW/cm2) |
UDMA, urethane dimethacrylate; MDP, 10-methacryloyloxydecyl dihydrogen phosphate; Bis-GMA, bisphenol A diglycidyl methacrylate; HEMA, 2-hydroxyethyl methacrylate; BHT, butylated hydroxytoluene; MDTP, methacryloyloxydecyl dihydrogen thiophosphate