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Abstract
Aim: This study assessed the taste alteration, salivary pH and antibacterial activity against streptococcus mutans of propolis and pomegranate mouthwashes compared to chlorhexidine mouthwashe. Methodology: 80 participants were recruited and divided into four groups, according to the mouthwash utilized either propolis mouthwash, pomegranate mouthwash, chlorhexidine mouthwash or saline. Unstimulated saliva was collected from each participant at baseline, immediately after mouthwash usage and after 7 days.The participant received a questionnaire to assess taste alteration on the 7th day of the trial. The pH of the collected saliva was assessed using digital pH meter and the number of streptococcus mutant colonies was determined and expressed as colony forming unit. Statistical analysis was performed with significance level set at P{u2264}0.005. Results: There was no statistical significant difference between different mouthwashes with respect to taste perception and duration. Chlorhexidine has a significantly higher incidence of negative taste alteration compared to Propolis extract, Pomegranate extract and saline; which showed statistically similar incidence. The highest salivary pH value was recorded after immediate usage of tested mouthwashes in all groups, while after 7 days there was no significant change in both chlorhexidine and saline groups. Regarding bacterial count, there was no statistical significant difference between the total percentage reduction in all groups but with highest percentage of reduction after immediate usage. Conclusion: Propolis and pomegranate mouthwashes could be considered as an alternative to chlorhexidine mouthwash in high caries risk patients