The Effect of Intraradicular Multiple Fiber and Cast Posts on the Fracture Resistance of Endodontically Treated Teeth with Wide Root Canals

Table 2

Kruskal–Wallis analysis on maximum load measured in different groups.

Tooth	Group	Mean Rank	Chi Square	df	P Value
Canine	Fiber-single	16.50	34.992	3	0.001
	Fiber-multi	35.50
	Cast metal-single	5.60
	Cast Metal-multi	24.40
Premolar	Fiber-single	24.00	34.723	3	0.001
	Fiber-multi	35.50
	Cast metal-single	5.50
	Cast Metal-multi	17.00

Significance level is 0.05.