Table 2.
Type of bond failure in different pH values
| pH value | Failure type (%) | ||
|---|---|---|---|
| Adhesive | Cohesive | Mixed | |
| 4.4 | 58.3 | 0 | 41.7 |
| 5.4 | 0 | 25 | 75 |
| 6.4 | 8.3 | 50 | 41.7 |
| 7.4 | 0 | 50 | 50 |
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