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

Table 11 UR1 Comparison of ATMOS® groups

Force	No attachment		Attachment		Pressure columns		P-value^a	P-value^b	P-value^c
Force	Mean	Std Dev	Mean	Std Dev	Mean	Std Dev	P-value^a	P-value^b	P-value^c
Fx (N)	2.00	0.41	1.35	0.45	1.51	1.28	< 0.001	< 0.001	< 0.001
Fy (N)	-3.16	2.88	-4.81	1.83	-4.77	3.71	< 0.001	< 0.001	< 0.001
Fz (N)	-0.20	1.00	-0.01	0.72	-1.91	2.71	< 0.001	< 0.001	< 0.001
Mx (Nmm)	-2.88	5.75	-2.68	6.90	-8.85	12.15	< 0.001	< 0.001	< 0.001
My (Nmm)	5.15	3.85	6.74	5.75	-2.96	17.53	< 0.001	< 0.001	< 0.001
Mz (Nmm)	50.24	36.51	55.62	20.37	78.64	51.26	< 0.001	< 0.001	< 0.001

ISSN: 1472-6831