Table 2.

Max von Mises stresses (MPa) on all parts, using titanium and PEEK in “All on four”, in the normal-density model

	ALL-4	Denture base and teeth	Bar	Copings	Screws	Abuts	Implants	Mucosa	Cortical bone	Spongy bone
Uni-lateral	Ti	18.536	102.24	90.50	72.73	180.77	63.13	0.071	35.82	3.97
	PEEK	22.35	62.69	52.97	37.42	89.26	10.84	0.314	31.17	2.95
Bi-lateral	Ti	18.457	104.24	96.39	73.60	164.92	64.01	0.0867	34.77	4.16
	PEEK	21.93	61.16	47.35	36.00	77.50	11.00	0.318	27.42	2.72
Anterior	Ti	29.62	50.55	71.41	44.67	95.12	60.00	0.0476	35.56	3.95
	PEEK	32.42	18.17	29.29	23.69	27.66	14.65	0.194	28.76	3.09