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Table 2 Descriptive analysis of hardness (hardness Vickers number)

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

Material Group Number Mean Standard deviation
Duran C 5 10.9332 0.1493
T 5 9.6664 0.527
TA 5 9.5998 0.925
Total 15 10.0664 0.8563
Erkodur C 5 10.5332 0.4473
T 5 9.7330 0.2791
TA 5 10.5328 0.6056
Total 15 10.2663 0.5801