Table 4.
Paired Sample T-Test comparing each material to a natural tooth.
| Paired differences |
T | DF | Sig. (2-Tailed) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | Std. Deviation | Std. Error Mean | 95% Confidence Interval of the Difference |
||||||
| Lower | Upper | ||||||||
| Pair 1 | Ceramic - NaturalTooth | −3.46250 | 3.81796 | 1.90898 | −9.53773 | 2.61273 | −1.814 | 3 | 0.167 |
| Pair 2 | Zircon - NaturalTooth | −2.99750 | 4.32699 | 2.16349 | −9.88270 | 3.88770 | −1.385 | 3 | 0.260 |
| Pair 3 | Composite - NaturalTooth | 6.94250 | 4.86560 | 2.43280 | −0.79976 | 14.68476 | 2.854 | 3 | 0.065 |
| Pair 4 | F.composite - NaturalTooth | 0.83750 | 2.64146 | 1.32073 | −3.36565 | 5.04065 | 0.634 | 3 | 0.571 |
| Pair 5 | GIC - NaturalTooth | −1.41000 | 3.55965 | 1.77983 | −7.07420 | 4.25420 | −0.792 | 3 | 0.486 |