Research Article

Fracture Resistance of Endodontically Treated Maxillary Premolars Restored by Various Direct Filling Materials: An In Vitro Study

Table 2

One-way analysis of variance of differences between groups.

Source of variationSum squaresDFMean square

Between groups7130092.7571018584.678571
Within groups5702095610182.303571
Corrected total7700301.7563ā€ƒ