Table 8.
Effects of multiple layers of two self-etch adhesives on microtensile bond strength.
| Layers | ||||||
|---|---|---|---|---|---|---|
| Groups | 1 | 2 | 3 | 4 | 5 | 1 + SBMP |
| Xeno IIIf (evaporation) |
7.2 ± 6.3a | 22.6 ± 9.2a,b | 30.0 ± 9.9b | 43.5 ± 7.7c | 41.4 ± 8.0c | 27.8 ± 5.9b |
| Xeno IIIf (evaporation + 1c) |
7.2 ± 6.3a | 47.3 ± 19.2b | 65.4 ± 20.4d | 81.8 ± 20.8d | 68.9 ± 22.6d | 64.7 ± 21.2d |
| iBondi (evaporation) |
12.2 ± 7.5A | 18.5 ± 6.2A | 30.6 ± 7.0B | 34.2 ± 6.0B,C | 51.6 ± 14.8B,C | 62.3 ± 23.0C |
| iBondi (evaporation + 1c) |
12.2 ± 7.1A | 39.6 ± 15.2B | 42.7 ± 12.3B,C | 36.6 ± 7.7B | 35.8 ± 13.4B | 58.0 ± 23.5C |
Values are mean ± SD in MPa, N=16. Groups identified horizontally by different superscript letters are significantly different (p<0.05) (from Ito et al.52, with permission). +lc = with light-curing of each layer.