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

Table 8 UL1 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)	10.20	2.93	5.15	0.39	6.71	4.59	< 0.001	< 0.001	< 0.001
Fy (N)	-25.22	3.25	-5.61	0.98	-23.76	2.19	< 0.001	< 0.001	< 0.001
Fz (N)	0.94	16.91	2.70	0.67	-0.16	16.34	< 0.001	< 0.001	< 0.001
Mx (Nmm)	-130.83	211.30	34.48	8.39	-143.71	204.61	< 0.001	< 0.001	< 0.001
My (Nmm)	54.99	110.75	16.19	5.81	36.97	112.46	< 0.001	< 0.001	< 0.001
Mz (Nmm)	-29.12	62.59	-40.10	7.62	6.83	74.28	< 0.001	< 0.001	< 0.001

ISSN: 1472-6831