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Table 1 Results of the instrumented indentation testing

From: New aesthetic in-house 3D-printed brackets: proof of concept and fundamental mechanical properties

Property Temporary
Mean (IQR)
Permanent
Mean (IQR)
P value
HM (N/mm2) 279 (275, 287) 279 (270, 285) 0.63
EIT (MPa) 5548 (5425, 5834) 5644 (5420, 5850) 0.84
ηIT (%) 47.1 (46.0, 47.7) 46.0 (45.4, 47.8) 0.24
  1. IQR, interquartile range