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  • Dr. Chrissie Lam


Gum bleeding when brushing teeth is a common concern for many people. While it can be alarming, it's essential to understand the causes and take steps to prevent it. In this article, we'll explore why gums bleed during brushing and provide tips for maintaining healthy gums and a beautiful smile.

gum bleeding when brushing teeth

What Causes Gum Bleeding?

Gum bleeding when brushing teeth is often a sign of underlying oral health issues. The following factors can contribute to gum bleeding:

1. Gingivitis: Gingivitis is an early stage of gum disease characterized by inflammation and bleeding of the gums. It is usually caused by the accumulation of plaque, a sticky film of bacteria, on teeth and gums.

2. Aggressive Brushing: Brushing too vigorously or using a toothbrush with hard bristles can irritate the gums and lead to bleeding.

3. Improper Technique: Brushing with improper technique, such as using a sawing motion or neglecting to floss, can leave plaque and debris between teeth and along the gumline.

4. Medical Conditions: Certain medical conditions, such as blood clotting disorders or vitamin deficiencies, can make gums more prone to bleeding.

Preventing Gum Bleeding:

Preventing gum bleeding starts with good oral hygiene practices. Here are some steps you can take to keep your gums healthy:

gum bleeding when brushing teeth

1. Choose the Right Tools: Use a soft-bristle toothbrush and replace it regularly. Consider an electric toothbrush,

which can provide gentle and effective cleaning.

2. Proper Brushing Technique: Brush gently in a circular motion, aiming to clean all surfaces of your teeth and along the gumline. Avoid aggressive scrubbing.

3. Floss Daily: Flossing removes food particles and plaque from between teeth and helps prevent gum disease. Be gentle to avoid damaging gums.

4. Regular Dental Check-ups: Visit your dentist regularly for professional cleanings and check-ups. Your dentist can detect and treat gum issues early.

gum bleeding when brushing teeth

5. Balanced Diet: Consume a diet rich in vitamins and minerals, particularly vitamin C, which supports gum health.

6. Avoid Smoking: Smoking is a major contributor to gum disease and bleeding gums. Quitting smoking can significantly improve oral health.

When to Seek Professional Help:

If gum bleeding persists despite following good oral hygiene practices, it's essential to consult a dental professional. Persistent bleeding can be a sign of more severe gum disease (periodontitis), which requires specialized treatment.


Gum bleeding when brushing teeth is a common issue, often caused by gingivitis or improper oral care. By adopting good oral hygiene practices, such as gentle brushing and daily flossing, and seeking regular dental check-ups, you can maintain healthy gums and a beautiful smile.

For personalized guidance and expert dental care, contact us at Penn Pacific Dental Center, where our team of experienced professionals is dedicated to your oral health.


About Authors


Graduated with honors from the University of California, Davis (U.S.A.), major in biochemistry and molecular biology, Dr. Yu has further obtained his dental degree (Doctor of Dental Medicine) from the University of Pennsylvania School of Dental Medicine (U.S.A.).  Dr. Yu is qualified to practice in the US, Singapore and Hong Kong, and has over 10 years of practicing experience in the US before starting both practices in Hong Kong and Singapore.


Dr. Chrissie Lam graduated from University of California, Berkeley (U.S.A.) with a bachelor degree in Nutritional Science before earning her doctorate degree in dentistry from University of the Pacific, Arthur A. Dugoni School of Dentistry (U.S.A.). In her 10 years of practice she took care of her patients, both in U.S.A. and Singapore with her warm demeanor and excellent clinical skills. 

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