Research Article
Long-Term Bond Strength of Two Benzalkonium Chloride-Modified Adhesive Systems to Eroded Dentin
Table 3
Distribution of failure modes after shear bond strength testing (
/group; BAC: benzalkonium chloride).
| Adhesive system Dentin | Cohesive failures in dentin (%) | Adhesive failures at dentin/adhesive interface (%) | Mixed failures (%) |
| After 24-hour storage |
| Adper Scotchbond 1XT without 1% BAC | | | | Normal dentin | 12.5 | 62.5 | 25 | Adper Scotchbond 1XT without 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 | Adper Scotchbond 1XT with 1% BAC | | | | Normal dentin | 0 | 87.5 | 12.5 | Adper Scotchbond 1XT with 1% BAC | | | | Artificially eroded dentin | 0 | 87.5 | 12.5 | OptiBond FL without 1% BAC | | | | Normal dentin | 6.25 | 75 | 18.75 | OptiBond FL without 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 | OptiBond FL with 1% BAC | | | | Normal dentin | 6.25 | 87.5 | 6.25 | OptiBond FL with 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 |
| After 1-year storage |
| Adper Scotchbond 1XT without 1% BAC | | | | Normal dentin | 6.25 | 75 | 18.75 | Adper Scotchbond 1XT without 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 | Adper Scotchbond 1XT with 1% BAC | | | | Normal dentin | 6.25 | 93.75 | 0 | Adper Scotchbond 1XT with 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 | OptiBond FL without 1% BAC | | | | Normal dentin | 0 | 81.25 | 18.75 | OptiBond FL without 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 | OptiBond FL with 1% BAC | | | | Normal dentin | 0 | 93.75 | 6.25 | OptiBond FL with 1% BAC | | | | Artificially eroded dentin | 0 | 100 | 0 |
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