22%
Lower stroke risk
Adults who flossed at least once a week had 22% lower risk of the stroke type caused by a blocked vessel, and 44% lower for the kind caused by a clot travelling from the heart.
ARIC cohort · 6,258 adults · 25 years
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Clinically researched
Gum disease does not stay in your gums.
People with it go on to develop dementia at about 120% the rate of those without.
Twenty five years of follow up across six thousand people, and the research keeps arriving in the same place: the state of your gums tracks the state of the rest of you.
None of this is a promise about you, and the Flossei™ is not a treatment. It is what the studies found, with the numbers left in.
Seven body systems. One daily habit. Keep scrolling.
12%
Steadier heart rhythm
The same group had a lower rate of atrial fibrillation, the irregular heartbeat that sits behind a large share of strokes.
ARIC cohort · same analysis
120%
Memory and dementia
People with gum disease develop dementia at roughly 120% the rate of those without, and cognitive decline at about 130% the rate. The gap widens the more severe the gum disease.
Pooled cohorts · certainty graded low
0.43pt
Better blood sugar control
In people with diabetes, treating gum disease lowered HbA1c, the three month average of blood sugar, by about 0.43 percentage points.
Cochrane systematic review
~50%
Even your joints
Almost half of people with rheumatoid arthritis show evidence of infection by a periodontal bacterium, compared with about 11% of people without gum disease. Researchers think it may help trigger the immune response behind RA.
Johns Hopkins Rheumatology · research summary
15%
Easier breathing
In a ten year study of over 122,000 adults, people who brushed three or more times a day had a 15% lower risk of developing pneumonia than infrequent brushers. Oral bacteria are thought to travel to the lungs and contribute to infection there.
Population cohort · 122,251 adults · 10.6 years
Linked
Your gut, too
Swallowed bacteria from the mouth do not just disappear. Researchers are finding they can shift the balance of bacteria living in the gut, the same ecosystem tied to digestion and immune function. It is early, mechanism level research rather than a single clean statistic, but it is the same pattern as everything else on this page.
Oral to gut axis · narrative & systematic reviews
Inflammation is the threadAll four run through the same pathway. Gum disease raises inflammatory markers in the blood, including C reactive protein, and treating it brings them back down. The American Heart Association grades the link between gum disease and cardiovascular disease at its highest level of evidence, and is equally clear that an association is not proof of a cause.
Sources: dental flossing and stroke risk, ARIC cohort presented at the International Stroke Conference, February 2025, preliminary and not yet peer reviewed. Periodontal therapy and glycaemic control, Cochrane systematic review. Periodontal disease and atherosclerotic cardiovascular disease, American Heart Association scientific statement, Circulation 2025. Periodontal health and cognitive decline, pooled longitudinal cohort analyses. Gum disease and rheumatoid arthritis, Johns Hopkins Medicine research summary. Oral health and pneumonia incidence, population based cohort study, Scientific Reports 2020. Oral gut microbiome axis, narrative and systematic reviews. Association does not establish cause. General information only, not medical advice, and not a substitute for seeing your dentist or doctor.
None of this is a promise about what will happen to you. It's what a daily habit is linked to. The Flossei™ is what makes that habit one you'll actually keep.
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Real talk
So why does hardly anyone floss?
3 in 4 Australians rarely or never floss. It's the most skipped 60 seconds in oral care, and usually it's not laziness. Tap the one that sounds like you.
Nothing is recorded. This is just between you and the page. The 3 in 4 figure is from the Australian Dental Association, ada.org.au.
Closer to home: what flossing does in your mouth
The scroll above covered the rest of your body. This is the everyday part.
The brush can't reach where decay starts
Plaque that sits in the tight contact points between teeth feeds on sugars and produces acid against the enamel, on surfaces a toothbrush physically can't touch. Clearing those surfaces daily is what flossing is for; it's the part of the routine a brush can't do for you.
It starts quietly, at the gumline
Plaque left along the gumline inflames the gums. That's gingivitis, the stage where gums look puffy and bleed easily. Cleaned away daily, that inflammation settles; left alone for long enough, gum disease can progress to where it affects the structures holding teeth in place. Daily cleaning between teeth and along the gumline is the everyday countermeasure.
Mints mask it. Flossing removes it.
A lot of everyday bad breath comes from food particles and bacteria sitting between teeth, exactly the places brushing skips. A mint covers the smell for a few minutes; clearing what's causing it is the actual fix, and it takes about a minute a day.
General dental information, not medical advice, and not a substitute for seeing your dentist.
Every reason people skip flossing is a design problem. This is the design answer.
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