Table 2: Evaluation of FA point of teeth distance in upper first molar, upper first pre-molar and upper first canine subject a dynamic (patient) and static (instron) stress with different materials.

-	Upper First Molar (16-26)			Upper First Pre-Molar (14-24)		Upper First Canine (13-23)
Base-line distance in FA point (mm)	54,1			43,8		37,7
Smart Track®	Test	Patient Stress	Instron Stress	Patient Stress	Instron Stress	Patient Stress	Instron Stress
	Value (mm)	56.11	55.20	44.84	44.66	38.21	38.51
	Difference	+ 2,01	+1,1	+1,04	+0,8	+0.51	+0.81
PET-G	Test	Patient Stress	Instron Stress	Patient Stress	Instron Stress	Patient Stress	Instron Stress
	Value (mm)	56.21	54.73	44.86	44.44	38.12	38.04
	Difference	+2,11	+0.63	+1,06	+0,64	+0,42	+0.34
PET	Test	Patient Stress	Instron Stress	Patient Stress	Instron Stress	Patient Stress	Instron Stress
	Value (mm)	54.89	54.59	44.04	44.07	38.00	38.26
	Difference	+0,79	+0.49	+0,24	+0,27	+0,3	+0.56