Table 2.
Adhesion values of the six groups tested. Shear bond strength has been measured in MPa (conditions: untreated enamel, enamel after hypomineralization treatment, and enamel after hypomineralization and remineralization treatments).
| Group | Appliance | Enamel | Mean | St Dev | Min | Mdn | Max | Significance∗ |
|---|---|---|---|---|---|---|---|---|
| 1 | Bracket | Intact | 20.73 | 8.97 | 10.02 | 18.78 | 37.87 | A, D |
| 2 | Bracket | Demineralized | 4.68 | 1.38 | 2.67 | 4.52 | 7.54 | B |
| 3 | Bracket | Demineralized and remineralized | 12.31 | 3.91 | 6.98 | 12.03 | 20.41 | C |
| 4 | Attachment | Intact | 27.82 | 3.61 | 20.09 | 28.08 | 34.12 | A |
| 5 | Attachment | Demineralized | 6.35 | 1.54 | 3.09 | 7.04 | 7.70 | B |
| 6 | Attachment | Demineralized and remineralized | 19.77 | 7.23 | 13.63 | 15.66 | 34.02 | C, D |
∗Tukey grouping-means with the same letters are not significantly different.