A Comparative Study of the Stress Distribution in Different Endodontic Post-Retained Teeth with and without Ferrule Design—A Finite Element Analysis

Table 3

Comparison of stress* distribution between tapered and parallel posts of different materials with vertical load.

Materials	Region^†	Tapered post		Parallel post
		Ferrule	Nonferrule	Ferrule	Nonferrule
Ti	A	2.094	2.091	2.094	2.091
	B	2.791	2.788	2.791	2.788
	C	3.489	3.485	2.791	2.788
Ni-Cr	A	4.470	4.470	3.832	4.470
	B	4.470	4.470	3.832	3.832
	C	4.470	4.470	3.193	3.832
RC	A	0.7024	0.7014	0.7024	0.7016
	B	0.7024	0.7014	0.7024	0.7016
	C	0.7024	0.7014	0.7024	0.7016

*Maximum Von Mises stress in MPa.
^†A—cervical one-third; B—middle one-third; C—apical one-third.