A pooled analysis of 12 randomized controlled trials found periodontal treatment was associated with average reductions of 4.64 points in systolic blood pressure and 1.84 points in diastolic pressure, although researchers said the certainty of the evidence remains moderate to low.
By yourNEWS Media Newsroom.
Treating advanced gum disease may produce modest reductions in blood pressure in addition to improving oral health, according to an analysis of 12 randomized controlled trials examining the cardiovascular effects of periodontal therapy.
The findings, described in a Sept. 15, 2026, NaturalHealth365 report, showed that people receiving treatment for periodontitis experienced average systolic blood pressure reductions of 4.64 points and average diastolic reductions of 1.84 points compared with participants who did not receive periodontal therapy.
“Patients who received periodontal therapy saw their systolic blood pressure drop by an average of 4.64 points and their diastolic pressure drop by 1.84 points compared with patients who didn’t,” the report stated.
Researchers cautioned that confidence in the findings ranged from moderate to low and said larger, adequately powered clinical trials are needed before periodontal treatment can be considered an established method for lowering blood pressure.
The potential connection could have broad implications because gum disease is common. The report cited CDC national health survey data indicating that nearly half of U.S. adults older than 30 have some form of periodontal disease, with prevalence rising above 70% among those 65 and older.
Pooled Trials Find Modest Blood Pressure Changes
The 12 randomized trials included patients with periodontitis, a more advanced stage of gum disease in which inflammation and infection affect the structures supporting the teeth.
Researchers compared cardiovascular measurements among patients who underwent periodontal treatment with those who did not receive the intervention.
Across the pooled data, systolic blood pressure declined by an average of 4.64 points and diastolic pressure by 1.84 points in the treatment groups.
The NaturalHealth365 report noted that reductions of that magnitude can resemble some of the changes associated with interventions such as reducing dietary sodium or losing weight. It also emphasized, however, that the evidence is not sufficiently strong to conclude that treating gum disease will reliably reduce blood pressure in every patient.
Separate research has produced findings pointing in the same direction.
Dr. Jun Tao, director of the Institute of Geriatrics Research at The First Affiliated Hospital of Sun Yat-sen University, previously presented research at an American Heart Association meeting examining intensive periodontal treatment in people at elevated risk for hypertension.
“The present study demonstrates for the first time that intensive periodontal intervention alone can reduce blood pressure levels” in patients at risk of developing hypertension, Tao said.
Other peer-reviewed research has found that treatment of periodontal disease generally reduces systemic inflammatory markers, providing one possible explanation for how changes in the mouth could affect cardiovascular health elsewhere in the body.
Researchers Examine Inflammation as Possible Link
Scientists have increasingly studied whether chronic inflammation associated with gum disease contributes to cardiovascular problems.
The NaturalHealth365 report stated that periodontal pathogens have been detected within arterial plaque and that chronic periodontal inflammation has been associated with elevated C-reactive protein, or CRP, a marker commonly used to evaluate inflammation and cardiovascular risk.
The American Heart Association has recognized an association between periodontal disease and cardiovascular disease but has not concluded that gum disease directly causes heart disease.
Peer-reviewed research has similarly urged caution in interpreting the association.
“Current epidemiologic studies are not able to differentiate between these causal and noncausal pathways, even with perfect control of all established cardiovascular risk factors,” researchers writing in the Annals of Neurology stated, adding that “both causal and noncausal pathways may have a role in the observed associations.”
That distinction means gum disease and cardiovascular disease could be connected through several mechanisms. Inflammation may contribute directly, but both conditions can also share risk factors or occur alongside other health problems that influence the observed relationship.
Nutrition researchers have separately examined inflammation and cardiovascular markers. Jack Challem has written that omega-3 fatty acids “can reduce heart irregularities known as cardiac arrhythmias and also can lower blood pressure,” while vitamin E supplementation has been associated with reductions in CRP.
Challem has also cited research published in the New England Journal of Medicine in 2001 that found modest supplementation with folic acid, vitamin B6 and vitamin B12 reduced homocysteine levels and was associated with reversal of coronary artery disease in heart patients.
Research into oral-systemic health has extended beyond cardiovascular disease. Oral bacteria and periodontal inflammation have also been associated with diabetes, pregnancy complications and respiratory infections, according to the NaturalHealth365 report.
Commentary examining the separation between dental and general medical care described a longstanding divide in how the two fields approach health.
“For decades, a dangerous disconnect persisted in medicine: dentists focused on teeth while physicians largely ignored the mouth,” NaturalNews.com stated.
Smoking, Diet and Dry Mouth Can Affect Gum Health
Several everyday behaviors can contribute to the development or progression of periodontal disease.
Frequent consumption of sugary drinks and repeated snacking can maintain conditions in the mouth that favor bacterial growth by repeatedly exposing teeth and gums to sugars and acidic conditions.
Smoking and vaping can create additional problems by restricting blood flow to gum tissue. Reduced circulation can also make periodontal disease more difficult to recognize because smoking can suppress visible bleeding and swelling that otherwise might alert someone to inflammation.
A study published in the Journal of Bone and Mineral Research found nicotine exposure produced “vasoconstriction and systemic venoconstriction” and decreased blood perfusion, interfering with bone healing in the experimental model.
Dry mouth can create another risk because saliva helps wash bacteria and food particles away from teeth and gum tissue.
Common medications, including certain antihistamines, antidepressants and blood pressure medications, can reduce saliva production. When oral cleaning is inadequate, plaque can eventually harden into tartar below the gumline, where brushing alone cannot remove it.
Regular professional cleanings can help identify and address those deposits.
A cardiac health plan outlined in the book Conquering Heart Attacks and Strokes recommends that people “keep appointments for checkups as often as your dentist recommends to make sure any subtle changes that can herald periodontal diseases, such as inflammation of the gums (gingivitis), are picked up quickly.”
Bleeding Gums and Tooth Movement Can Signal Disease
Periodontal disease can initially develop with symptoms that are easy to dismiss.
Warning signs cited in the report include bleeding while brushing or flossing, persistent bad breath, gums that appear to be receding and teeth that feel loose or have shifted from their previous positions.
The mouth contains a large and diverse bacterial community. One NaturalNews.com report stated that more than 700 bacterial species can live on the tongue, gums and teeth.
When oral hygiene deteriorates, “plaque builds up, and the body mounts an inflammatory response to the invading bacteria,” the report stated.
That inflammatory response initially can appear as gingivitis. Without treatment, inflammation can progress deeper into the structures surrounding teeth, eventually producing periodontitis and damage to supporting tissue and bone.
Oral Care May Complement Broader Cardiovascular Monitoring
The NaturalHealth365 report recommended routine measures intended to control plaque and inflammation, including flossing before brushing, incorporating crunchy fibrous vegetables into meals, using warm salt-water rinses after eating when brushing is not practical and scheduling dental cleanings alongside other regular health appointments.
Conquering Heart Attacks and Strokes gives similar flossing guidance, advising people to guide floss between teeth and wrap it “into a C shape around the base of the tooth, just under the gumline,” before gently moving it up and down against the tooth.
People already experiencing periodontal disease or other dental problems may require professional cleanings more often than people without those conditions.
The findings do not establish periodontal therapy as a replacement for medications, dietary changes, exercise or other established approaches used to manage hypertension.
They instead add to a growing body of research examining whether treating chronic oral inflammation may have measurable effects elsewhere in the body.
Researchers continue to call for larger controlled trials capable of determining how much periodontal treatment influences blood pressure, which patients are most likely to benefit and whether observed reductions persist over time.
The American Heart Association has continued to distinguish between an observed association and proof of direct causation. Even so, research examining periodontal treatment, inflammation and vascular health is challenging the longstanding tendency to treat dental health and cardiovascular health as entirely separate issues.
Explainer Infographic
Comments