Comparison of the shear bond strength of reconditioned metal brackets used in indirect bonding: an in vitro pilot study
, , , oraz
30 sty 2023
O artykule
Data publikacji: 30 sty 2023
Zakres stron: 27 - 34
Otrzymano: 01 wrz 2022
Przyjęty: 01 gru 2022
DOI: https://doi.org/10.2478/aoj-2023-0001
Słowa kluczowe
© 2023 Seong-Sik Kim et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Descriptive statistics of shear bond strength_ See Table I for group description_
| Shear bond strength(MPa) | ||||||
|---|---|---|---|---|---|---|
| Group | Mean | SD | Minimum | Maximum | Scheffe |
|
| I | 9.1 | 3.0 | 5.4 | 13.6 | 24 | A |
| II | 16.8 | 2.1 | 13.3 | 18.2 | 24 | B |
| III | 21.0 | 2.8 | 16.9 | 25.8 | 24 | C |
| IV | 21.4 | 3.0 | 16.7 | 26.0 | 24 | C |
| V | 20.2 | 2.9 | 15.9 | 25.8 | 24 | C |
| VI | 16.7 | 1.8 | 15.3 | 19.4 | 24 | B |
| VII | 11.2 | 2.2 | 7.7 | 12.9 | 24 | A |
Frequency distributions of adhesive remnant index scores_ See Table I for group description_
| ARI score | ||||||
|---|---|---|---|---|---|---|
| Group | 1 | 2 | 3 | 4 | 5 | n |
| I | 14 | 10 | 0 | 0 | 0 | 24 |
| II | 10 | 8 | 6 | 0 | 0 | 24 |
| III | 2 | 12 | 10 | 0 | 0 | 24 |
| IV | 3 | 12 | 9 | 0 | 0 | 24 |
| V | 4 | 13 | 7 | 0 | 0 | 24 |
| VI | 9 | 9 | 6 | 0 | 0 | 24 |
| VII | 13 | 11 | 0 | 0 | 0 | 24 |
Group description_
| Group | Description |
|---|---|
| I | No treatment |
| II | Sandblasting for 3 sec |
| III | Sandblasting for 6 sec |
| IV | Sandblasting for 9 sec |
| V | Sandblasting for 12 sec |
| VI | Low speed round bur |
| VII | Conditioned with adhesion booster |
Adhesive remnant index criteria_
| Score | The evaluation criteria |
|---|---|
| 1 | All |
| 2 | More than 90% |
| 3 | Between 10 and 90% |
| 4 | Less than 10% |
| 5 | No adhesive |