Characterization of Esthetic Orthodontic Wires Made from Glass-Fiber-Reinforced Thermoplastic Containing High-Strength, Small-Diameter Glass Fibers

Table 4

Flexural properties of GFRTPs after thermocycling.

	0 cycles		600 cycles		1200 cycles
	Strength (MPa)	Modulus (GPa)	Strength (MPa)	Modulus (GPa)	Strength (MPa)	Modulus (GPa)
GFRTP-13	958.5 ± 137.4^a,b	35.0 ± 5.2^a	938.9 ± 102.2	34.5 ± 5.6	913.3 ± 122.1^a	35.4 ± 5.9
GFRTP-7	1120.1 ± 197.0^a	40.5 ± 9.2	1037.0 ± 123.2	39.7 ± 6.9	999.2 ± 56.8	38.4 ± 6.5
GFRTP-5	1126.2 ± 92.5^b	42.6 ± 5.3^a	1043.5 ± 81.5	40.0 ± 3.6	1060.4 ± 102.4^a	38.3 ± 5.9

Mean values with the same superscripts are significantly different from each other ().