Non-Cochrane · intervention · PM42420435

Should chlorhexidine mouthwash be a concern for blood pressure in dental patients?

Mutahar Mahdi, Alshirah Akram, Al-Moraissi Essam Ahmed · Evidence-based dentistry · 2026 · PubMed · doi:10.1038/s41432-026-01233-z

Findings

Population Predominantly healthy normotensive adults

2 findings

Chlorhexidine mouthwash (CHX-MW)Control (comparator not specified in the source)Systolic blood pressure
Intervention duration 3 to 7 days
MD 1.56 [-0.67, 3.80]
GRADE not reported
Studies not reported
Chlorhexidine mouthwash (CHX-MW)Control (comparator not specified in the source)Diastolic blood pressure
Intervention duration 3 to 7 days
MD -0.10 [-1.99, 1.78]
GRADE not reported
Studies not reported

Included primary studies 5

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Bescos 2020
Effects of Chlorhexidine mouthwash on the oral microbiome.
PMID:32210245
2020this review onlynot statednot extracted yet
Bescos 2024
The comparative effect of propolis and chlorhexidine mouthwash on oral nitrite-producing bacteria and blood pressure regulation.
PMID:39691165
2025this review onlynot statednot extracted yet
Kapil 2013
Physiological role for nitrate-reducing oral bacteria in blood pressure control.
PMID:23183324
2013this review onlynot statednot extracted yet
Sundqvist 2016
Effects of antiseptic mouthwash on resting metabolic rate: A randomized, double-blind, crossover study.
PMID:27769826
2016this review onlynot statednot extracted yet
Tribble 2019
Frequency of Tongue Cleaning Impacts the Human Tongue Microbiome Composition and Enterosalivary Circulation of Nitrate.
PMID:30881924
2019this review onlynot statednot extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationHuman populationsPredominantly healthy normotensive adults (n=5 studies)
InterventionChlorhexidine mouthwash useChlorhexidine mouthwash (n=5)
ComparisonNot specifiedNot specified
OutcomesChanges in systolic and diastolic blood pressureSystolic and diastolic blood pressure (n=5)
Study designsRandomized, controlled and observational studiesRandomized and non-randomized studies (n=5)
TimingNot specifiedIntervention durations 3 to 7 days

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsNRYesno
2Protocol established before the reviewcriticalNRPartial Yesno
4Comprehensive literature searchcriticalNRPartial Yesno
5Study selection in duplicateNRYesno
OverallNRHighno