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

Table 5

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

Materials	Region^†	Tapered post		Parallel post
		Ferrule	Nonferrule	Ferrule	Nonferrule
Ti	A	9.804	10.26	9.802	10.24
	B	11.76	13.19	13.72	13.17
	C	13.72	13.19	11.76	11.71
Ni-Cr	A	14.08	14.07	15.08	15.29
	B	15.65	15.63	16.76	16.99
	C	14.08	14.07	15.08	15.29
FRC	A	5.525	5.626	5.516	5.625
	B	3.684	5.626	3.678	5.626
	C	9.206	11.25	9.192	12.65

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