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

Table 3.

Multiple comparisons of pH in saliva between groups

Group		Phase
	before	after	30min
1	6.53±0.32^a	6.54±0.33^ab	6.57±0.36^a
2	6.48±0.23^a	6.71±0.27^b	6.51±0.21^a
3	6.57±0.28^a	6.33±0.16^a	6.47±0.18^a
4	6.52±0.19^a	6.78±0.17^b	6.44±0.27^a
5	6.48±0.25^a	6.52±0.30^ab	6.52±0.21^a

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