Bleeding Gums After Dental Filling: Causes and Solutions - Dentistry

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Bleeding while brushing after having a cavity filled?


About a week ago, I had a filling done on my lower molar.
For the past few days, brushing that tooth has been normal, but yesterday and today, I've noticed bleeding when I brush that tooth.
What could be the issue? I have been brushing the occlusal surface more vigorously, thinking it would help.

Niming, 20~29 year old female. Ask Date: 2020/02/24

Dr. Lin Jiayong reply Dentistry


Hello: The recommended brushing force is around 20 grams.
If too much pressure is applied, it can actually cause injury to the gum tissue and result in bleeding.
Thank you!

Reply Date: 2020/02/24

More Info


Bleeding gums after a dental filling can be concerning, and it’s important to understand the potential causes and solutions. Based on your description, it seems that you recently had a dental filling on your lower molar, and now you are experiencing bleeding when brushing that specific area. Here are some possible reasons for this bleeding and recommendations on how to address it.


Possible Causes of Bleeding Gums After a Dental Filling:
1. Gingival Irritation: After a dental procedure, it’s common for the gums to be slightly irritated. If you have been brushing more vigorously to ensure cleanliness, this can exacerbate the irritation, leading to bleeding. The gums may be sensitive post-treatment, and aggressive brushing can cause trauma.

2. Plaque Buildup: If the area around the filling is not cleaned properly, plaque can accumulate, leading to gingivitis (inflammation of the gums). This condition can cause the gums to bleed, especially when brushing or flossing.

3. Improper Filling Margins: If the filling was not placed correctly, it might create a ledge where plaque can accumulate, leading to gum irritation and bleeding. This is particularly relevant if the filling is high or if there are gaps between the filling and the tooth structure.

4. Underlying Gum Disease: If you had pre-existing gum disease, the recent dental work might have aggravated the condition. Gingivitis or periodontitis can cause bleeding gums, and it may not be directly related to the filling itself.

5. Changes in Oral Hygiene Routine: After a filling, patients often become more conscious of their oral hygiene, which can lead to changes in brushing habits. If you are brushing more forcefully or using a hard-bristled toothbrush, this could contribute to gum bleeding.


Recommendations for Management:
1. Gentle Brushing: It’s crucial to brush gently, especially around the area of the filling. Use a soft-bristled toothbrush and avoid applying too much pressure. This will help reduce irritation and bleeding.

2. Flossing Technique: Ensure you are using the correct technique when flossing. Be gentle when inserting the floss between your teeth, and avoid snapping it against the gums, which can cause bleeding.

3. Rinse with Salt Water: Rinsing your mouth with warm salt water can help soothe irritated gums and promote healing. Mix about half a teaspoon of salt in a glass of warm water and rinse gently.

4. Maintain Regular Dental Check-ups: If the bleeding persists, it’s essential to consult your dentist. They can evaluate the filling and check for any underlying issues, such as gum disease or improper filling placement.

5. Monitor for Other Symptoms: Keep an eye on any additional symptoms, such as swelling, persistent pain, or changes in the color of your gums. If these occur, seek dental advice promptly.

6. Consider Professional Cleaning: If plaque buildup is suspected, a professional dental cleaning may be necessary to remove tartar and help your gums heal.


Conclusion:
Bleeding gums after a dental filling can result from various factors, including irritation from brushing, plaque buildup, or underlying gum disease. It’s important to adopt a gentle oral hygiene routine and monitor your symptoms. If the bleeding continues or worsens, it’s advisable to consult your dentist for a thorough evaluation and appropriate treatment. Maintaining good oral hygiene and regular dental visits are key to preventing gum issues and ensuring the longevity of your dental work.

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