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. 2016 Mar-Apr;21(2):39–44. doi: 10.1590/2177-6709.21.2.039-044.oar

Table 2. Mean (standard deviation) of shear bond strength (MPa) and ANOVA/Tukey results.

Group Mean (SD)
1 11.54 (2.31) a
2 10.61(1.82) a
3 12.65 (3.20) a
4 18.60 (4.37) b
5 12.46 (2.79) a

Different letters indicate statistical significance (p < 0.05).