Using a common antibacterial mouthwash for a week can reduce plaque buildup and gum bleeding, showing it works well for short-term oral hygiene.

Scientific Claim

Chlorhexidine mouthwash (0.2%) significantly reduces plaque and bleeding scores in healthy adults after 7 days of use, demonstrating its effectiveness for short-term plaque control.

Original Statement

“After treatment, a significant reduction of plaque (p = 0.005) and bleeding (p = 0.023) scores occurred in the CHX-M group compared to baseline. Changes in plaque (p = 0.131) and bleeding (p = 0.155) scores were not observed in the PROP-M group.”

From study:The comparative effect of propolis and chlorhexidine mouthwash on oral nitrite-producing bacteria and blood pressure regulation

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

definitive

Can make definitive causal claims

Assessment Explanation

This is a randomized controlled trial with direct measurement of plaque and bleeding scores before and after intervention. The p-values of 0.005 and 0.023 indicate statistical significance, supporting definitive language for these specific quantitative findings.

Evidence from Studies

Supporting (1)

The comparative effect of propolis and chlorhexidine mouthwash on oral nitrite-producing bacteria and blood pressure regulation

Randomized Controlled Trial

Human

2025

Contradicting (0)

No contradicting evidence found

Source Study

The comparative effect of propolis and chlorhexidine mouthwash on oral nitrite-producing bacteria and blood pressure regulation

Score: 67

DOI: 10.1080/20002297.2024.2439636

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