Flossing Could Do More Than Save Your Smile: New Research Links Daily Flossing to Longer Life

Most people know that brushing and flossing help prevent cavities and gum disease. But what if a simple daily flossing habit could be associated with benefits that extend beyond your mouth?

A recent large-scale study examining more than 10,000 Americans found a surprising connection between flossing frequency and overall mortality risk. While the researchers emphasize that flossing itself has not been proven to directly increase lifespan, the findings add to a growing body of evidence suggesting that oral health plays an important role in overall wellness.

Here are the top three takeaways from this important research.

1. People Who Floss Had a Significantly Lower Risk of Death

The study found that participants who reported flossing had a nearly 30% lower risk of all-cause mortality compared to those who did not floss.

Researchers analyzed data from the National Health and Nutrition Examination Survey (NHANES) and followed participants for several years. After accounting for numerous health and lifestyle factors, flossing remained associated with better long-term health outcomes.

While this does not prove that flossing directly prevents disease or extends life, it highlights the potential importance of maintaining good oral hygiene as part of a healthy lifestyle.

2. The More Frequently People Flossed, the Greater the Benefit

One of the most interesting findings was the dose-response relationship between flossing frequency and mortality risk.

The researchers observed that as flossing frequency increased, mortality risk generally decreased. Daily flossers showed the greatest reduction in risk compared to people who never flossed.

This finding reinforces what dental professionals have long recommended: consistency matters. Flossing once in a while can help, but making it a daily habit may provide the greatest oral health benefits.

Removing plaque and food debris between teeth helps reduce inflammation, supports healthier gums, and can prevent periodontal disease from developing or worsening.

3. Flossing May Help Even If You Already Have Gum Disease

Periodontitis, commonly known as advanced gum disease, affects millions of adults and has been linked to a variety of systemic health conditions.

The study found that individuals with periodontitis who did not floss had the highest mortality risk. However, among participants who had periodontitis, those who flossed showed a substantially lower risk than those who never flossed.

Although flossing did not eliminate the elevated risk associated with gum disease, it appeared to lessen it. This suggests that maintaining good oral hygiene habits remains important even after gum disease has developed.

For patients diagnosed with periodontitis, flossing, professional dental cleanings, and ongoing periodontal care can play a crucial role in managing the condition and protecting long-term oral health.

What This Means for Your Dental Health

The researchers caution that this study was observational, meaning it identified an association rather than proving cause and effect. It is possible that people who floss regularly also engage in other healthy behaviors that contribute to better overall health.

Even so, the findings provide another compelling reason to take flossing seriously. Daily flossing is a simple, inexpensive habit that helps reduce plaque buildup, prevent gum disease, and support a healthier smile.

This new research adds to growing evidence that oral health and overall health are closely connected. The study found that people who flossed regularly had a lower risk of death from all causes, and the benefits appeared to increase with more frequent flossing. Even among individuals with gum disease, flossing was associated with better outcomes.

While flossing is not a guarantee of better health or a longer life, it remains one of the easiest and most effective steps you can take to care for your teeth and gums. Combined with regular dental checkups, professional cleanings, and good at-home oral hygiene, daily flossing can help protect your smile—and potentially contribute to a healthier future.

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Dr. Frank Esfandiari makes it easy to get back on track if it's been a while since you've seen the dentist. You can make an appointment online by clicking here, or call us at 805-777-7717.

American Hearth Month: 3 Surprising Ways Your Oral Health Affects Your Heart

February is American Heart Month, a perfect time to show your heart a little extra love. Most people think about heart health in terms of diet, exercise, and stress—but your mouth plays a bigger role than you might expect.

Your oral health and heart health are closely connected. In fact, problems in your mouth can increase your risk for heart disease, while good dental habits can help support a healthier heart. Let’s break down the top three ways your heart and oral health are linked—and why your toothbrush matters more than you think.

1. Gum Disease and Inflammation Go Hand in Hand

Gum disease (also called periodontal disease) is a chronic inflammatory condition. And here’s the key word: inflammation.

Inflammation doesn’t stay politely confined to your gums. When gum disease is left untreated, inflammatory bacteria can enter your bloodstream and travel throughout the body. This ongoing inflammation has been linked to:

-Hardening of the arteries (atherosclerosis)

-Increased risk of heart attack and stroke

-Worsening of existing cardiovascular conditions

Healthy gums help keep inflammation under control, which is good news for your heart. Brushing, flossing, and regular dental cleanings aren’t just about preventing cavities—they’re about keeping inflammation from becoming a whole-body issue.

2. Oral Bacteria Can Enter the Bloodstream

Your mouth is full of bacteria—most of it harmless when kept in balance. But when you have gum disease, bleeding gums, or untreated dental infections, harmful bacteria can slip into the bloodstream more easily.

Once there, these bacteria can contribute to serious heart problems, including infective endocarditis, a rare but dangerous infection of the heart’s inner lining or valves. People with certain heart conditions are especially vulnerable, which is why dentists sometimes recommend antibiotics before specific procedures.

The takeaway?

Keeping your mouth healthy helps prevent unwanted bacteria from taking a road trip to places they don’t belong—like your heart.

3. Shared Risk Factors Mean Shared Solutions

Heart disease and poor oral health often share the same risk factors, including:-Smoking or tobacco use
-Poor nutrition
-Diabetes
-High blood pressure
-Stress

For example, diabetes makes it harder to fight infections—including gum disease—and gum disease can make it harder to control blood sugar levels. That two-way relationship can increase the risk of heart complications over time.The good news is that healthy habits benefit both your mouth and your heart. When you commit to better oral hygiene, balanced nutrition, quitting smoking, and regular checkups, you’re tackling multiple health risks at once.

A Healthy Smile Supports a Healthy Heart

Your mouth is not separate from the rest of your body—it’s part of the same system. During American Heart Month, think of your dental routine as part of your heart-care plan.

Simple steps like brushing twice a day, flossing daily, eating a balanced diet, and visiting your dentist regularly can help reduce inflammation, control harmful bacteria, and support your overall cardiovascular health.

So this February, when you’re thinking about ways to protect your heart, don’t forget to start with your smile. ❤️🦷 Your heart just might thank you for it.

Contact Us

Dr. Frank Esfandiari makes it easy to get back on track if it's been a while since you've seen the dentist. You can make an appointment online by clicking here, or call us 805-777-7717.

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