Bleeding gums: causes, warning signs, and what to do
Finding blood when brushing or flossing should not become “normal.” An isolated episode may occur because of a rough technique or when resuming interdental cleaning, but recurrent or spontaneous bleeding, or bleeding accompanied by swelling, deserves a dental evaluation.
The most common cause is inflammation associated with bacterial plaque. However, a local injury, hormonal changes, certain medications, or some medical conditions can also play a role. It is therefore advisable to identify the cause instead of hiding the symptom with home remedies.
Why do gums bleed?
When plaque builds up near the gumline, bacteria can trigger inflammation. The tissue becomes redder, more sensitive, and more prone to bleeding. If plaque hardens into tartar, it can only be removed through professional cleaning.
Other situations that may also be associated with bleeding include:
Brushing too hard or flossing incorrectly.
Restorations, prostheses, or appliances that irritate an area.
Hormonal changes, for example during pregnancy.
Medications that affect blood clotting. They should not be stopped without medical advice.
Systemic diseases or clotting disorders, especially if bleeding is heavy or occurs elsewhere in the body.
Gingivitis and periodontitis: they are not the same
Gingivitis
It is the initial stage of gum disease. It can cause redness, swelling, bleeding, and bad breath. When detected early, it usually improves by controlling plaque through daily hygiene and professional care.
Periodontitis
If inflammation progresses, it can affect the tissues and bone supporting the teeth. Receding gums, new spaces between teeth, loose teeth, discomfort when chewing, or tooth loss may occur. Damage to the supporting structures is not always reversible, although treatment can help control the disease.
What to do if your gums bleed
Continue brushing twice a day with a soft-bristled toothbrush and fluoride toothpaste.
Clean between your teeth with floss, interdental brushes, or the method recommended for your case.
Avoid brushing forcefully: a gentle, consistent technique is more useful than applying pressure.
Request an evaluation if bleeding persists, recurs, or occurs without brushing.
Tell your dentist about medications, pregnancy, diabetes, and other health history.
Professional cleaning can remove tartar, but not everyone needs the same procedure. Gum pocket depth, the presence of bone loss, and other findings determine whether preventive cleaning is sufficient or periodontal treatment is required.
When to seek care more promptly
Heavy or spontaneous bleeding, or bleeding that is difficult to stop.
Severe pain, marked swelling, pus, or fever.
Loose teeth, a change in your bite, or rapidly receding gums.
Bleeding elsewhere in the body or easy bruising.
Frequently asked questions
Should I stop flossing if it bleeds?
Not necessarily. Stopping cleaning can allow more plaque to accumulate. It is advisable to review your technique and consult a professional if bleeding does not decrease or is accompanied by other symptoms.
Does mouthwash replace professional cleaning?
No. A mouthwash can complement care in selected cases, but it does not remove tartar or replace brushing, interdental cleaning, or a dental evaluation.
Does periodontitis always hurt?
No. It can progress with little discomfort, so bleeding, recession, or loose teeth should not be ignored.
Sources consulted
Educational notice: this content provides general information and does not replace an individual dental evaluation. Diagnosis and treatment should be determined after a professional assessment.
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