Method: Disc-shaped (10x2mm) samples (n=12/gp) were made according to manufacturer’s instructions. Roughness (Ra, µm) determinations were made after fabrication (Control), following EP Polishing system (3Disc), and (Final) surface finishing/polishing by a non-contact profilometer. Group 1 received 3Disc plus Enhance polishing points. Group 2 received Group 1 plus PoGo polishing points. Group 3 received Group 2 plus Prisma Gloss paste with Enhance polishing points. Each finishing/polishing step (10s/ea at 5000rpm) was completed by rinsing (H2O) air-dried, and stored (37°C). Data were statistically compared (two-way Repeated Measures ANOVA, Tukey’s, P<0.05).
Result: Study data are in table below.
GroupTreatment Ra (µm) |
Control |
3Disc |
Final |
Group 1 |
0.13±0.05 |
0.92±0.10 |
0.64±0.09 |
Group 2 |
0.35±0.21 |
0.91±0.10 |
0.88±0.15 |
Group 3 |
0.32±0.21 |
0.86±0.10 |
0.55±0.21 |
Group 1 and Group 3 treatments revealed significant differences between 3Disc versus Final (P<0.001; both) conditions. Final surface conditioning differed at Group 1 versus Group 2 and Group 2 versus Group 3 (P=0.001, P<0.001; respectively). No differences among groups for 3Disc treatments.
Conclusion: Finishing and polishing procedures on restorative resins may typically be a reluctant treatment step that would greatly affect the outcome for a healthy dento-gingival complex. Final results are intended to provide healthy oral eco-system inclusive in form, function, comfort, and esthetics. Clinical implication within the present study limits revealed reductions in surface roughness in Group 3 thereby demonstrating superior finishing and polishing results for consideration in daily therapeutic care.