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Table 1 Results for the mechanical properties of the analyzed specimen

From: Orthodontic bonding and debonding induces structural changes but does not alter the mechanical properties of enamel

  Martens hardness (N/mm2) Indentation modulus (GPa) Elastic index (%)
Group N Median (IQR) P value* Median (IQR) P value* Median (IQR) P value*
Intact enamel 20 2866 (2809, 3154) 0.760 70.3 (59.7, 72.5) 0.856 38.3 (35.3, 41.7) 0.272
Treated enamel 20 2989 (2625, 3211)   69.7 (66.3, 77.1)   36.6 (33.0, 39.1)  
  1. IQR interquartile range
  2. *From mixed-effects model