Research Article
The Effect of an Acidic Food-Simulating Environment on the Shear Bond Strength of Self-Ligating Brackets with Different Base Designs
Table 1
Descriptive statistics of the four groups tested (MPa).
| | Group | Storage condition | Number of observations | Mean | SDa | Minimum | Median | Maximum | Tukey groupingb |
| | 1 (Equilibrium 2) | Water | 20 | 27.11 | 1.16 | 10.86 | 25.98 | 49.12 | A | | 2 (Equilibrium 2) | Acetic acid 3% | 20 | 11.31 | 3.93 | 6.30 | 10.54 | 18.80 | BE | | 3 (Speed) | Water | 20 | 15.99 | 4.06 | 9.64 | 16.72 | 24.16 | CB | | 4 (Speed) | Acetic acid 3% | 20 | 14.30 | 4.32 | 6.04 | 14.81 | 21.29 | CB | | 5 (In-Ovation R) | Water | 20 | 18.56 | 5.87 | 9.92 | 19.25 | 32.09 | DC | | 6 (In-Ovation R) | Acetic acid 3% | 20 | 11.37 | 3.52 | 7.09 | 12.48 | 18.56 | BE | | 7 (Damon 3MX) | Water | 20 | 16.22 | 5.87 | 7.83 | 14.47 | 32.70 | CE | | 8 (Damon 3MX) | Acetic acid 3% | 20 | 14.23 | 3.23 | 7.79 | 13.14 | 20.51 | CB |
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SD: standard deviation.
bTukey grouping: means that do not share a letter are significantly different.
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