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 score | Debonding techniques | χ2 ( value) | US (n = 20) | DP (n = 20) | LC (n = 20) | TM (n = 20) | Total (n = 80) |
| I | 1 (5.0%) | 0 (0.0%) | 2 (10.0%) | 0 (0.0%) | 3 (3.8%) | 7.98 ( = 0.536) | II | 6 (30.0%) | 8 (40.0%) | 7 (35.0%) | 10 (50.0%) | 31 (38.8%) | III | 10 (50.0%) | 11 (55.0%) | 7 (35.0%) | 7 (35.0%) | 35 (43.8%) | IV | 3 (15.0%) | 1 (5.0%) | 4 (20.0%) | 3 (15.0%) | 11 (13.8%) |
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Chi-square test.
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