Table 1 Elemental composition of orthodontic brackets (%), presented with bracket types as rows and elements as columns.

From: Analysis of corrosion, surface roughness, and ıon release of orthodontic brackets in simulated gastric acid and saliva

Element

Cr

Mn

Fe

Ni

Alo

Oc

Metal

17

2

72

8

0.9

0

Self-ligating

19

3

68

9

0.8

0

Ceramic

0.07

0.22

0.14

0.07

97

2.5