Research Article
The Effect of SnCl2/AmF Pretreatment on Short- and Long-Term Bond Strength to Eroded Dentin
Table 3
Distribution of failure modes (3 beams per dentin specimen; 20 dentin specimens per group).
| | Failure mode | Storage time | Clearfil SE Bond | Scotchbond Universal | | Noneroded | Eroded | Noneroded | Eroded | Noneroded | Eroded | Noneroded | Eroded | | SnCl2/AmF pretreatment | SnCl2/AmF pretreatment | SnCl2/AmF pretreatment | SnCl2/AmF pretreatment |
| | Cohesive failure in dentin (%) | 24 h | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 1 yr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | Adhesive failure at dentin-adhesive interface (%) | 24 h | 38.3 | 46.6 | 61.6 | 83.3 | 33.3 | 65 | 66.6 | 85 | | 1 yr | 51.6 | 76.6 | 66.6 | 93.3 | 61.6 | 88.3 | 60 | 93.3 | | Adhesive failure at adhesive-resin composite interface (%) | 24 h | 13.3 | 20 | 8.3 | 1.6 | 26.6 | 11.6 | 8.3 | 3.3 | | 1 yr | 11.6 | 3.3 | 15 | 0 | 6.6 | 1.6 | 8.3 | 0 | | Mixed adhesive failure (%) | 24 h | 23.3 | 30 | 21.6 | 13.3 | 21.6 | 18.3 | 21.6 | 11.6 | | 1 yr | 16.6 | 16.6 | 13.3 | 5 | 20 | 10 | 21.6 | 6.6 | | Cohesive failure in resin composite (%) | 24 h | 25 | 3.3 | 8.3 | 1.6 | 18.3 | 3.3 | 3.3 | 0 | | 1 yr | 20 | 3.3 | 5 | 1.6 | 11.6 | 0 | 10 | 0 |
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