Research Article

Enamel Surface Damage following Debonding of Ceramic Brackets: A Hospital-Based Study

Table 1

Enamel Surface Index (ESI) scores with the four techniques used for debonding.

ESI scoreDebonding techniquesχ2 ( value)
US (n = 20)DP (n = 20)LC (n = 20)TM (n = 20)Total (n = 80)

I1 (5.0%)0 (0.0%)2 (10.0%)0 (0.0%)3 (3.8%)7.98 ( = 0.536)
II6 (30.0%)8 (40.0%)7 (35.0%)10 (50.0%)31 (38.8%)
III10 (50.0%)11 (55.0%)7 (35.0%)7 (35.0%)35 (43.8%)
IV3 (15.0%)1 (5.0%)4 (20.0%)3 (15.0%)11 (13.8%)

Chi-square test.