Flossing After Root Canal Treatment: What You Need to Know

Flossing after root canal treatment?

The normal depth of the gingival sulcus ranges from 1 to 3 mm.
When using dental floss, there may be a sensation of the gums blocking at the very back.
I have a tooth that has undergone root canal treatment and has a crown.
Cleaning between the teeth on one side feels normal, but on the other side, I can use dental floss all the way to the bottom (without the sensation of the gums blocking) and it hurts when I reach the bottom.
Although I can go very deep, is this too deep? Should I only reach the normal depth for healthy teeth with dental floss? Isn't it true that root canal treatment results in a lack of sensation? Is it normal to feel pain in this case?

R, 30~39 year old female. Ask Date: 2022/01/27

Dr. Zeng Guanghui reply Dentistry

If dental floss can reach deep into the gingival sulcus, it indicates that there has been bone resorption around the teeth.
Once the bone surrounding the teeth is resorbed, the bottom of the gums will also recede.
It is advisable to consult a dentist for further examination to determine if there is periodontal disease.
Dr.
Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.

Reply Date: 2022/01/27

More Info

Flossing after a root canal treatment is an important aspect of maintaining oral health, especially for the treated tooth. Understanding how to properly use dental floss in this context can help prevent complications and ensure the longevity of the tooth.
First, let's clarify what happens during a root canal treatment. The procedure involves the removal of the infected or damaged pulp from the tooth, cleaning and disinfecting the root canals, and then sealing them to prevent future infections. After this treatment, the tooth may be restored with a crown to provide strength and protect it from further damage. While the nerve endings in the tooth are removed during the procedure, it is important to note that the surrounding tissues, including the gums, can still be sensitive.

When it comes to flossing, the goal is to remove plaque and food particles from between the teeth and below the gum line. For a tooth that has undergone root canal treatment, it is crucial to be gentle. If you are experiencing pain while flossing, especially if you can reach deeper than the gum line, it could indicate a few things:
1. Gum Sensitivity: After a root canal, the surrounding gums may still be sensitive. If you are pushing the floss too deeply, it can irritate the gums, leading to discomfort. It is advisable to floss gently and avoid forcing the floss too deep into the gum line.

2. Gum Health: If you can reach deeper without obstruction, it might suggest that your gums are receding or that there is a pocket forming around the tooth. This can be a sign of periodontal disease or an issue related to the root canal treatment. If you notice bleeding or persistent pain, it is essential to consult your dentist.

3. Flossing Technique: The technique you use while flossing is crucial. You should slide the floss gently between your teeth and curve it around the base of each tooth, making sure to go below the gum line without forcing it. If you feel pain, it may be a sign that you are using too much force or that there is an underlying issue.

4. Post-Treatment Care: After a root canal, it is important to follow your dentist's post-treatment care instructions. This may include recommendations for oral hygiene practices, including how to floss effectively. If you are unsure about your technique or if you are experiencing pain, it is best to reach out to your dentist for guidance.

In summary, while some sensitivity may be normal after a root canal, persistent pain when flossing is not typical and should be addressed. It is essential to floss gently and to be aware of any changes in your gum health. If you have concerns about the depth at which you can floss or if you experience pain, consult your dentist for a thorough evaluation. They can provide personalized advice and ensure that your oral health remains on track after your root canal treatment. Regular dental check-ups are also vital to monitor the health of your gums and the treated tooth.

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