Dental caries is a multifactorial disease. The contents of green tea have been found beneficial in prevention of dental caries. This study compared the effect of green tea mouth rinse and combination mouth rinse on salivary pH post sugar exposure in children. 40 children (6-8years) were randomly selected. Study was conducted over a period of two days. Baseline pH of unstimulated saliva and salivary pH after rinsing with 50% sugar solution was recorded using digital pH-meter on both days. Subjects were asked to rinse with green tea mouthwash on Day 1 and with combination mouthwash on Day 2. Salivary pH was recorded 10 minutes after mouth rinse. The data was subjected to paired T-test. The mean salivary pH after green tea rinse was 7.16 ± 0.27 and after combination mouthwash was 6.61 ± 0.23. On comparing the data of green tea mouth rinse with combination mouth rinse, the difference was found to be statistically significant (p<0.001). Green tea was found more effective than combination mouth rinse in restoring the salivary pH post sugar exposure.