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Table 1 Median (95% of confidence interval) for shear bond strength varying SiO2–POOH nanoparticles concentration (wt%) of 1-SEA with HEMA-P40%

From: Dentin bonding performance of experimental one-step adhesives after incorporation of POOH–SiO2 nanoparticles

HEMA-P40%/SiO2–POOH concentration, wt% (%) Dentin bond strength, MPa
0 6.01 (1.54)b
0.1 8.63 (1.45)a
0.2 5.56 (2.13)c
0.5 2.37 (2.55)d
1 2.53 (0.90)e
2 5.56 (1.80)c
4 1.07 (1.49)e
6 3.54 (2.19)d
8 4.19 (1.88)d
  1. Values followed by distinct superscript letters indicate significant differences for 1-SEAs tested (p < 0.05)
  2. Note: It was not possible to test any specimens for HEMA-P0% as all pre-testing failure