Forces and moments generated during extrusion of a maxillary central incisor with clear aligners: an in vitro study

Table 2 UL1 No attachment or pressure column groups comparison by material type

Force	ATMOS®		TC-85		Zendura FLX®		P-value¹	P-value²	P-value³
Force	Mean	Std Dev	Mean	Std Dev	Mean	Std Dev	P-value¹	P-value²	P-value³
Fx (N)	10.20	2.93	1.40	0.32	6.00	3.17	< 0.001	< 0.001	< 0.001
Fy (N)	-25.22	3.25	-0.67	0.28	-24.61	4.46	< 0.001	< 0.001	< 0.001
Fz (N)	0.94	16.91	0.41	0.17	-24.09	26.58	< 0.001	< 0.001	< 0.001
Mx (Nmm)	-130.83	211.30	4.68	2.09	-436.64	329.79	< 0.001	< 0.001	< 0.001
My (Nmm)	54.99	110.75	6.98	1.52	-112.44	173.27	< 0.001	< 0.001	< 0.001
Mz (Nmm)	-29.12	62.59	-14.04	2.93	33.60	41.49	< 0.001	< 0.001	< 0.001

ISSN: 1472-6831