Microhardness test results according to the layer thickness of 3D printing resin
| Additional Thickness | N | Mean±SD | Min | Max | p |
|---|---|---|---|---|---|
| 0.010 | 15 | 293.087±11.191 | 226.90 | 382.60 | <0.05 |
| 0.050 |
15 | 237.307±4.883 | 200.00 | 269.50 | |
| 0.075 |
15 | 214.240±4.807 | 187.40 | 261.30 | |
| 0.150 | 15 | 180.867±4.319 | 146.00 | 204.40 |
*Only 0.050 and 0.075 are not statistically significant.
**p-value by one-way ANOVA (Dunnett T3).
