Table 3 Comparison of experimental and control groups after thermocycling.
Spacers | Measurements | Restorations | P values# | |
|---|---|---|---|---|
Pink cavit mean (sd) | Riva RRGI mean (sd) | |||
Cotton pellet | Porosity % | 17.9 (5.0) | 17.9 (8.6) | 0.979 |
Void % | 10.1 (4.0) | 10.0 (5.6) | 0.960 | |
Gap % | 7.9 (5.9) | 7.9 (4.8) | 0.994 | |
PTFE | Porosity % | 15.5 (6.1) | 19.7 (3.9) | 0.106 |
Void % | 11.2 (5.2) | 15.1 (3.7) | 0.085 | |
Gap % | 4.3 (2.3) | 4.5 (2.2) | 0.835 | |
No spacer | Porosity % | 17.3 (5.0) | 20.3 (2.8) | 0.336 |
Void % | 15.4 (4.7) | 18.8 (1.7) | 0.247 | |
Gap % | 1.9 (1.1) | 1.5 (1.2) | 0.604 | |
P values^ | Porosity % | Cotton versus no spacer 0.966 PTFE versus no spacer 0.788 | Cotton versus no spacer 0.711 PTFE versus no spacer 0.975 | |
Void % | Cotton versus no spacer 0.121 PTFE versus no spacer 0.241 | Cotton versus no spacer 0.006 PTFE versus no spacer 0.277 | ||
Gap % | Cotton versus no spacer 0.048 PTFE versus no spacer 0.516 | Cotton versus no spacer 0.011 PTFE versus no spacer 0.253 | ||
