Progress in Orthodontics

Table 7 Descriptive analysis of tanδ at different temperatures

From: Dynamic mechanical and thermal properties of clear aligners after thermoforming and aging

Material	Group		25°C	37°C	55°C	Tg
Duran	C	Mean	−0.0078	−0.0036	−0.0025	0.0018
	C	SD	0.0037	0.0070	0.0083	0.0066
	T	Mean	0.0026	0.0021	0.0061	0.0182
	T	SD	0.0039	0.0056	0.0024	0.0025
	TA	Mean	−0.0034	−0.0024	0.006	0.2007
	TA	SD	0.0034	0.0020	0.0026	0.0740
Erkodur	C	Mean	−0.0070	−0.0045	−0.0036	0.0010
	C	SD	0.0047	0.0021	0.0029	0.0026
	T	Mean	0.0072	0.0078	0.0103	0.0153
	T	SD	0.0007	0.0008	0.0008	0.0021
	TA	Mean	0.0073	0.0074	0.0103	0.0157
	TA	SD	0.0002	0.0005	0.0007	0.0011

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