Salivary pH

ANOVA

Group I

Group II

Group III

F

p-value

Range

6.5 - 7

6.2 - 6.5

6.6 - 7.2

142.545

<0.001**

Mean ± SD

6.7 ± 0.161

6.3 ± 0.072

6.8 ± 0.12

Tukey’s test

Group I & Group II

Group I & Group III

Group II & Group II

<0.001**

0.026*

<0.001**