The Effect of Remaining Coronal Tissue Height on the Fracture Strength of Over-Flared Endodontically Treated Central Incisors Restored Using a Multipost Approach

Table 2

Mean and standard deviation of fracture strength values (N) in the study groups.

	No.	Mean	Standard deviation	p-Value
With no coronal tissue	8	497.66	194.39	<0.001
Coronal tissue with a 1 mm height	8	465.57	127.80
Coronal tissue with a 2 mm height	8	662.65	107.99
Coronal tissue with a 3 mm height	8	849.47	141.07
Human intact tooth	8	1218.60	369.37