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Descriptive statistics of tensile bond strengths for bonding agents in zirconia group.
| Bonding agents | N | Mean (MPa) | Std. deviation | Std. error | 95% confidence interval for mean | |
|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||
| Reliance Assure plus | 12 | 5.323 | 0.5249 | 0.1515 | 4.990 | 5.657 |
| Porcelain Conditioner | 12 | 5.290 | 0.7287 | 0.2104 | 4.827 | 5.753 |
| Z Prime plus | 12 | 5.245 | 0.3900 | 0.1126 | 4.997 | 5.493 |
|
| ||||||
| Total | 36 | 5.286 | 0.5499 | 0.0916 | 5.100 | 5.472 |
