Fracture Resistance of CAD/CAM Lithium Disilicate of Endodontically Treated Mandibular Damaged Molars Based on Different Preparation Designs

Table 2

Fracture test result (values are expressed in Newtons).

	Groups
Statistics	SP0	SP1	CP0	CP1	P value
Mean	1546.29	1634.38	1821.50	1924.05	p (1) = 0.356
Minimum	785.83	882.38	1014.18	1164.30
Maximum	2402.59	2462.50	2850.13	2654.20