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Table 2 Elemental composition (wt%, mean values) of the enamel surfaces for the intact and treated specimens after energy-dispersive X-ray analysis (n = 5)

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

Element Intact enamel Treated enamel
O 43.1 44.1
Na 0.9 0.6
Si – (BDL) 0.4
P 16.9 16.4
Cl 0.2 0.2
Ca 38.9 38.3
  1. BDL below detection limit