Evaluation of tip and torque on virtual study models: a validation study

Progress in Orthodontics

Table 1 Statistics for the maxillary dentition

Measure		T test	ICC	MME	RME (%)
Torque	11	0.26	0.98	0.9	1.0
	12	0.56	0.98	1.2	1.3
	13	0.92	0.98	1.7	1.9
	14	0.18	0.94	1.6	2.1
	15	0.34	0.96	1.5	2.1
	16	0.98	0.87	1.7	2.3
	21	0.64	0.98	1.1	1.1
	22	0.88	0.98	2.2	2.4
	23	0.54	0.97	1.3	1.5
	24	0.72	0.96	2.2	2.9
	25	0.80	0.96	1.4	1.9
	26	0.86	0.92	1.5	2.1
Tip	11	0.90	0.92	2.0	2.1
	12	0.49	0.94	1.4	1.5
	13	0.12	0.90	1.5	1.6
	14	0.96	0.84	1.6	1.7
	15	0.45	0.81	1.8	2.0
	16	0.05	0.90	1.5	1.6
	21	0.89	0.89	1.6	1.7
	22	0.07	0.93	1.3	1.3
	23	0.14	0.94	2.6	2.7
	24	0.51	0.92	1.5	1.6
	25	0.41	0.78	2.2	2.4
	26	0.80	0.72	2.8	3.0
3 to 3	TV	0.97	0.98	0.3	0.7
	TL	0.37	0.98	0.5	1.9
	TB	0.67	0.97	0.2	0.7
4 to 4	TV	0.90	0.99	0.5	1.4
	TL	0.63	0.99	0.4	1.5
	TB	0.23	1.00	0.4	1.2
5 to 5	TV	0.47	0.99	0.5	1.2
	TL	0.84	0.99	0.3	1.0
	TB	0.19	1.00	0.3	0.9
6 to 6	TV	0.95	0.98	0.2	0.5
	TL	0.08	1.00	0.2	0.6
	TB	0.09	0.99	0.2	0.5
Arch depth		0.59	0.99	0.3	1.0
Arch perimeter		0.60	1.00	0.8	1.1

MME is the method error, and its values are in degrees for tip and torque and mm for all the other measurements. RME is the relative error magnitude.