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Table 2 Means and standard deviations of shear bond strength (unit MPa; n = 20) after different enamel pretreatments

From: Effect of hydroxyapatite nanoparticles on enamel remineralization and estimation of fissure sealant bond strength to remineralized tooth surfaces: an in vitro study

Group

Mean ± SD

Duncan’s testa

1. Etch + FS

14.6 ± 2.5

A

2. Etch + 0.15% nano-HA + FS

16.8 ± 2.7

B

3. Etch + 0.03% nano-HA + FS

14.2 ± 2.1

A

4. Etch + nano-HA 0.15% + SHMP 0.05% + FS

14.0 ± 2.2

A

5. Etch + nano-HA 0.03% + SHMP 0.01% + FS

15.1 ± 2.5

AB

p-value

0.010

–

  1. aMean values with different capital letters were significantly different
  2. Abbreviations: nano-HA nanohydroxyapatite, FS pit and fissure sealant, SHMP sodium hexametaphosphate