Post-Crown Sensitivity: Discomfort After Dental Procedures - Dentistry

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Ten years ago, I had a root canal treatment, and three months ago, I received a porcelain crown. Recently, I've been experiencing a sensitivity and aching sensation when drinking hot water?


Hello, Doctor.
About ten years ago, I had root canal treatment on my upper right central incisor and lateral incisor, but I did not get crowns at that time.
Then, about two years ago, I underwent orthodontic treatment, and a year ago, I completed the orthodontics and had a full porcelain crown placed on the lateral incisor.
Around March of this year, I had a full porcelain crown placed on the central incisor.
When the crown was fitted, I’m not sure if it was due to an impression issue or a problem from the lab, but the crown ended up being oversized.
My dentist adjusted it for a while before fitting it, but it still feels a bit bulky, especially with a thicker upper portion.
After returning home, I noticed a small gap on the tongue side near the gum line, which I’m unsure if it’s just a psychological effect.
There haven’t been any significant issues until today when I felt a noticeable sensitivity and slight swelling in that central incisor while drinking hot water, while the adjacent teeth felt fine.
Since I’ve had a root canal, theoretically, there shouldn’t be any issues...
However, I’m currently working away from home and it’s inconvenient to return to my original dentist.
I’m a bit worried that the crown may not be sealing properly, allowing bacteria to attack the underlying tooth structure, or that there might be an issue with the tooth root.
What should I do? If there is a problem, would it be necessary to remove the crown for treatment? If I remove it, can the crown still be reused, or would I need to have a new one made? P.S.
I use dental floss after every meal; could that have any relation?

Su, 20~29 year old female. Ask Date: 2019/06/03

Dr. Huang Tingfang reply Dentistry


Dear Ms.
Su,
Hello! As mentioned (experiencing a sour and bloated sensation), an X-ray is necessary to check for any issues with the tooth roots or if there are problems with the temporary tooth.
It is important to seek medical attention promptly to prevent the condition from worsening.
Take care! Wishing you safety!
Sincerely,
Dr.
Huang Ting-Fang, Dentistry

Reply Date: 2019/06/03

More Info


Post-crown sensitivity can be a common concern for many patients, especially after undergoing dental procedures like root canal treatments and crown placements. Your situation, where you have had root canals done on your upper right incisors and have recently had crowns placed, is not unusual. Let’s break down the potential causes of your discomfort and what steps you might consider taking.


Understanding Post-Crown Sensitivity
1. Crown Fit and Marginal Integrity: One of the most common reasons for sensitivity after a crown placement is the fit of the crown itself. If the crown is too large or not properly contoured, it can create spaces that allow bacteria to enter, leading to potential decay or sensitivity. The fact that you noticed a small gap near the gum line could indicate that the crown is not sealing properly, which might allow for bacterial infiltration.

2. Underlying Tooth Condition: Even though you have had a root canal, the tooth can still be sensitive if there is inflammation in the surrounding tissues or if there is residual infection. Sometimes, the nerve tissue can be affected even after a root canal, leading to discomfort when exposed to temperature changes, such as hot liquids.

3. Material Sensitivity: Some patients may experience sensitivity due to the materials used in the crown. Porcelain crowns, while aesthetically pleasing, can sometimes lead to sensitivity if they are not bonded well to the tooth structure.

4. Gum Health: If there is any inflammation or infection in the gums surrounding the crown, this could also contribute to your discomfort. It’s essential to maintain good oral hygiene, especially around crowns, to prevent gum disease.


Recommendations for Management
1. Observation: If the sensitivity is mild and only occurs with specific stimuli (like hot water), you might consider monitoring the situation for a short period. Sometimes, sensitivity can resolve on its own as the tissues adjust to the new crown.

2. Desensitizing Toothpaste: Using a desensitizing toothpaste can help alleviate some of the discomfort. These products work by blocking the transmission of sensation from the tooth surface to the nerve.

3. Avoiding Triggers: Until you can see your dentist, it may be wise to avoid very hot or cold foods and beverages that trigger your sensitivity.
4. Dental Visit: Since you mentioned that you are currently away from your regular dentist, it would be advisable to schedule an appointment as soon as you are able. Explain your symptoms in detail, including the timing and nature of the discomfort. Your dentist may want to check the fit of the crown and assess the health of the underlying tooth.

5. Crown Removal: If your dentist determines that the crown is not fitting properly or if there is an underlying issue, they may need to remove the crown. In many cases, crowns can be reused if they are intact and not damaged during removal. However, if the crown is compromised, a new one may need to be fabricated.

6. Regular Hygiene Practices: Continue using dental floss and maintain good oral hygiene. It’s crucial to keep the area around the crown clean to prevent any potential issues. However, be gentle around the crown to avoid exacerbating any sensitivity.


Conclusion
In summary, post-crown sensitivity can arise from various factors, including crown fit, underlying tooth conditions, and gum health. While it’s understandable to feel concerned, many cases can be managed effectively with proper dental care and hygiene practices. It’s essential to follow up with your dentist for a thorough evaluation to address your concerns and ensure the longevity of your dental work. Remember, your comfort and oral health are paramount, and timely intervention can prevent further complications.

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