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Why Do My Gums Bleed When I Floss? The Common Reasons and What to Do

Your gums bleed every time you floss. You've started wondering if you're flossing wrong — or if bleeding means you should stop. Here's what dentists actually say about bleeding gums during flossing.

Your gums bleed every time you floss. You've started wondering if you're flossing wrong — or if bleeding means you should stop. Here's what dentists actually say about bleeding gums during flossing.

Bleeding gums are common, and they don't automatically mean something serious. But they're not normal either. Your gums should not bleed with regular flossing. When they do, it's worth paying attention to why.


Why Gums Bleed When You Floss

The most common reason is plaque buildup along the gumline. Plaque is a sticky film of bacteria. When it sits there too long, your gums become inflamed — this is gingivitis. Inflamed tissue bleeds easily when you floss.

Gingivitis is reversible. Improved oral hygiene usually stops the bleeding within a week or two. Your gums heal and toughen up as the plaque disappears.

Bleeding can also happen if you floss infrequently. When you skip flossing for several days, then resume, your gums may bleed simply because they're not used to being cleaned there. This is temporary.


Should You Stop Flossing When Gums Bleed?

No. This is a common mistake. Stopping flossing allows plaque to build up more, which makes the bleeding worse over time. It's a downward spiral.

Instead, floss daily. Gently. The bleeding should decrease as your gums become healthier. If it persists beyond two weeks of consistent flossing, see your dentist.

Be gentle. Aggressive flossing can cut your gums and cause bleeding that has nothing to do with infection. Slide the floss up and down along the sides of each tooth — don't snap it hard against your gums.


Proper Flossing Technique

Use about 18 inches of floss. Wind most of it around your middle fingers, leaving a short section to work with. Hold it taut between your thumbs and index fingers.

Guide the floss between your teeth with a gentle rubbing motion. Never force it or snap it down. When it reaches the gumline, curve it into a C shape against one tooth and slide it up and down.

Repeat for each tooth, using a fresh section of floss as you go. The back sides of your last molars need attention too — don't skip them.


Other Possible Causes of Bleeding Gums

Some people bleed more easily due to medications. Blood thinners, aspirin, and certain blood pressure medications can increase bleeding. If you've recently started a new medication and notice more bleeding, talk to your doctor.

Vitamin C deficiency can cause gums to bleed more. A simple blood test can check this.

Pregnancy gingivitis is real. Hormonal changes during pregnancy make gums more sensitive and prone to bleeding. Extra diligent oral care helps manage it.

Poorly controlled diabetes affects your immune system and makes gum disease more likely. If you have diabetes, work closely with your dentist on preventive care.


What to Do About Bleeding Gums

Start or maintain a daily flossing habit. Do it once a day, preferably before bed. Combine it with brushing twice daily for two minutes each time.

Use a soft-bristled toothbrush. Hard bristles can further irritate already-sensitive gums.

Consider an antibacterial mouthwash. It reduces bacteria that cause inflammation and bleeding. Ask your dentist for a recommendation.

If bleeding persists for more than two weeks despite good hygiene, schedule a dental appointment. Persistent bleeding can indicate gum disease that needs professional treatment.

Call 01323 723757 or book at www.meadsdental.com
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