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

Table 9 UL1 Comparison of Zendura FLX® 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)	6.00	3.17	5.54	0.32	-0.74	4.92	< 0.001	< 0.001	< 0.001
Fy (N)	-24.61	4.46	-5.31	1.03	-26.65	4.61	< 0.001	< 0.001	< 0.001
Fz (N)	24.09	26.58	2.80	0.28	-10.90	26.50	< 0.001	< 0.001	< 0.001
Mx (Nmm)	-436.64	329.79	37.20	4.49	-270.78	320.89	< 0.001	< 0.001	< 0.001
My (Nmm)	-112.44	173.27	14.23	5.22	-46.77	171.76	< 0.001	< 0.001	< 0.001
Mz (Nmm)	33.60	41.49	-47.17	9.71	141.00	60.40	< 0.001	< 0.001	< 0.001

ISSN: 1472-6831