Table 1: Statistial Data on Microleakage and occlusal penetration

Group no. No. of Samples Placement Technique Experiment Fraction F Mean Value Fraction F St. Div. P-value
1 80 Rotating bur Microleakage 0.0883 0.0503 0.004
2 80 Conventional Microleakage 0.1594 0.0889 0.004
3 80 Rotating bur Penetration Depth 0.9899 0.0082 0.017
4 80 Conventional Penetration Depth 0.9686 0.0498 0.017