Fracture Resistance of Endodontically Treated Premolars Reconstructed by Traditional Casting and CAD-CAM Milling Post and Cores

Table 2

Mean, standard deviation (SD), minimum (Min), and maximum (Max) values of fracture resistance (N) in the study group.

Group	Mean	SD	Min (N)	Max (N)	-value (ANOVA)
Control	6.00^a	0.42	5.68	6.73	F = 10.01
Co-Cr	6.66 ^bc	0.31	6.35	7.08
NPG	6.41^ab	0.36	6.03	6.81
CAD-CAM	7.09^c	0.12	6.94	7.26

Tukey pairwise comparison test; the groups that have been marked by different letters showed significant differences at .