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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