Is Bleeding After Root Canal Normal? Post-Treatment Care Tips - Dentistry

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Root canal treatment


After root canal treatment, the dentist reduced the size of the tooth and will place a crown next week.
Currently, the reduced tooth bleeds a lot when brushing.
Is this normal? What should I pay attention to now?

Huang, 20~29 year old female. Ask Date: 2022/09/03

Dr. Lin Jiayong reply Dentistry


Hello: It is possible that your gums are inflamed or injured due to the rubber dam.
It is recommended not to brush too hard! Thank you!

Reply Date: 2022/09/03

More Info


Bleeding after a root canal treatment can be concerning, but it is not uncommon, especially in the initial days following the procedure. When a tooth undergoes root canal therapy, the dentist removes the infected or damaged pulp from inside the tooth, cleans the canals, and then seals them. This process can sometimes irritate the surrounding gum tissue, leading to bleeding when brushing or applying pressure to the area.

In your case, since you mentioned that the tooth was ground down in preparation for a crown, it is possible that the gum tissue around the tooth has become inflamed or irritated due to the procedure or the use of a rubber dam during treatment. This irritation can cause the gums to bleed when you brush your teeth. It is important to be gentle when brushing the area to avoid exacerbating the bleeding. Using a soft-bristled toothbrush and avoiding vigorous brushing can help minimize irritation.

Here are some post-treatment care tips to consider:
1. Gentle Oral Hygiene: Continue to brush your teeth, but do so gently around the treated area. Avoid using too much pressure, as this can aggravate the gums and lead to more bleeding.

2. Salt Water Rinse: After 24 hours, you can start rinsing your mouth with warm salt water. This can help soothe the gums and reduce inflammation. Mix about half a teaspoon of salt in a cup of warm water and rinse gently.

3. Avoid Hard Foods: Until your tooth is fully restored with a crown, avoid biting down on hard foods that could put pressure on the treated tooth. This will help prevent further irritation or damage.

4. Monitor Symptoms: Keep an eye on the bleeding. If it persists for more than a few days, or if you notice increased swelling, pain, or any signs of infection (such as pus or fever), contact your dentist immediately.

5. Follow-Up Appointments: Make sure to attend any scheduled follow-up appointments with your dentist. They will check the healing progress and ensure that everything is on track for your crown placement.

6. Pain Management: If you experience discomfort, over-the-counter pain relievers like ibuprofen or acetaminophen can help manage pain and reduce inflammation. However, consult your dentist before taking any medication, especially if you have other health conditions or are taking other medications.

7. Avoid Tobacco Products: Smoking or using tobacco can impede healing and increase the risk of complications, so it’s best to avoid these products during your recovery.

In summary, while some bleeding after a root canal can be normal, it is essential to monitor the situation closely. If the bleeding continues or worsens, or if you have any other concerning symptoms, do not hesitate to reach out to your dentist for further evaluation and guidance. Proper care and attention to your oral hygiene will help ensure a smooth recovery and successful outcome for your dental treatment.

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