30
Participants
Start Date
May 15, 2022
Primary Completion Date
October 1, 2023
Study Completion Date
November 1, 2023
Dentin Conditioning
After washing and drying -but not desiccating- Dentin Conditioner 20% (GC, Japan) will be applied using a cotton pellet for 20 seconds then rinsed thoroughly and gently dried
RM-GIC
RM-GIC (Fuji II LC) will be applied in \<2mm incremental layers afterword light-cured for 10 sec (1,000 mW/cm2) per increment to fill the cavity.
1-step adhesive
A universal adhesive system (Tetric® N-Bond Universal) will be applied on both enamel and dentin and gently scraped for 20 sec, then dispersed with oil-free gentle air stream, then light-cured for 10 sec (1,000 mW/cm2).
Cention N
The cavity will be restored using cention N followed by light curing for 10sec (1,000 mW/cm2)
Dentin roughness
Using a round carbide bur size 14/16, (H1SEM.204.014 VPE5 or H1SEM.204.016 VPE 5, Komet Dental, Lemgo, Germany) on a low-speed handpiece. (No bevel preparation will be made)
Gingival retentive groove preparation
Using size-010 round carbide bur (H1SEM.205.010 VPE 5, Komet Dental, Lemgo, Germany) on a low-speed handpiece.
Restorative Dentistry, Faculty of Dental Medicine, Damascus University, Damascus
Damascus University
OTHER