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. 2011 Mar-Apr;19(2):90–94. doi: 10.1590/S1678-77572011000200002

Table 5.

Multiple comparisons of pH in tongue coating between groups

Group		Phase
	before	after	30min
SC	7.40±0.52^a	7.10±0.32^b	7.50±0.53^a
TS	7.30±0.48^a	7.50±0.53^b	7.20±0.42^a
ES	7.40±0.52^a	5.90±0.74^a	7.10±0.32^a
EO	7.30±0.48^a	7.40±0.52^b	7.20±0.42^a
CTRL	7.10±0.32^a	7.20±0.42^b	7.40±0.52^a

Groups with same letter at each stage have no statistically significant difference between themselves (Tukey's test, p>0.05).