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. 2012 Mar-Apr;20(2):200–205. doi: 10.1590/S1678-77572012000200013

Table 2.

Means (standard deviations) for R_a (%) values (2-way ANOVA, Bonferroni's test; p<0.05)

	Z250	Z350
Control	44.94 (0.34)^a,A	27.60 (0.28)^a,A
Listerine	78.46 (0.56)^a,AB	61.99 (0.53)^a,AB
Plax Classic	38.28 (0.18)^a,A	13.36 (0.18)^a,A
Plax alcohol-free	-4.22 (0.20)^a,AC	-10.76 (0.27)^a,AC
Periogard	64.43 (0.46)^a,AB	58.22 (0.34)^a,AB

Different lowercase letters in lines and uppercase letters in columns indicate statistically significant difference.