Effect on enamel shear bond strength of adding microsilver and nanosilver particles to the primer of an orthodontic adhesive

Table 2 Descriptive statistics of the groups and comparison of SBS values (ANOVA)

Groups	n	Mean (sd) [MPa]	Range [MPa]	95% CI [MPa]	Median [MPa]	95% CI [MPa]
TB	16	16.59 (6.82)	7.03–31.38	13.25–19.94	15.76	12.55–18.97
TB + 0.1% (w/w) μAg	16	20.6 (4.19)	14.86–30.49	18.55–22.66	20.00	17.45–22.55
TB + 0.3% (w/w) μAg	16	16.98 (4.84)	6.9–25.78	14.61–19.35	17.55	14.14–20.96
TB + 0.11% (w/w) nAg	16	17.15 (5.92)	11.02–30.18	14.25–20.05	14.34	9.15–19.53
TB + 0.18% (w/w) nAg	16	20.09 (3.35)	14.05–25.28	18.45–21.74	19.99	17.66–22.32
TB + 0.33% (w/w) nAg	16	16.44 (4.51)	10.55–25.74	14.23–18.65	15.34	8.48–22.20

ANOVA: Sum of squares = 273.5, df = 93, mean square = 2.941, F-value = 0.905, P-value = 0.665.

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