Comparison of 5 Buffering Agents on Changes in Salivary pH in Individuals Previously Exposed to a Test Fruit Juice

Unstimulated saliva samples are collected from the subject to measure the pH of saliva after 5, 15, 30, 45 and 60 minutes of consumption of the test mixed fruit juice without any intervention.

The subject will use 10 ml of tap water as mouth rinse to swish for 60 seconds and spit. Unstimulated saliva samples are collected from the subject to measure and record the pH of saliva at 15, 30 and 45 minutes after the subject completes the gargle as an intervention.

The subject will use 10 ml of 0.2% Chlorhexidine mouth rinse (Rexidine®, Indoco Remidies Ltd, Mumbai, India) to swish for 60 seconds and spit. Unstimulated saliva samples are collected from the subject to measure and record the pH of saliva at 15, 30 and 45 minutes after the subject completes the gargle as an intervention.

"The subject will Brush with fluoridated toothpaste-(Colgate Total®, Colgate-Palmolive Company, Mumbai, India) for 2 minutes using soft brush.~Unstimulated saliva samples are collected from the subject to measure and record the pH of saliva at 15, 30 and 45 minutes after the subject completes using tooth paste as an intervention."

"The subject will chew polyol containing gum (Orbit®, WrigleyCompany) for 5 minutes and spit.~Unstimulated saliva samples are collected from the subject to measure and record the pH of saliva at 15, 30 and 45 minutes after the subject completes chewing as an intervention."

"The subject will use 10 ml freshly prepared 1% sodium bicarbonate w/v solution to swish for 60 seconds and spit.~Unstimulated saliva samples are collected from the subject to measure and record the pH of saliva at 15, 30 and 45 minutes after the subject completes the gargle as an intervention."