Group/visit visit 1 (With the  starting  of RT) ( Base line Visit) Visit 2( After 14 days) Visit 3 ( After 28 Days)
Group 1 ( Placebo)  0.155 - 5.025 0.196-4.475 0.124-3.397
Group 2 (CHX) 0.137- 4.575 0.162-6.650 0.125-7.050
Group 3(PVI) 0.167-5.325 0.105-5.975 0.098-6.300
Table 5: Salivary pH of study subjects over a period of 4 weeks.