Tooth Decay: Treatment Options and Concerns for Sensitive Teeth - Dentistry

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Cavity-related issues?


Hello, Doctor.
I would like to ask you about my dental situation.
I had orthodontic treatment in high school, but as I grew older, my teeth became very sensitive and I developed severe cavities.
The dentist said that the cavity in my upper right second molar is too deep, and filling it may lead to further decay and sensitivity.
They suggested waiting for a root canal treatment later.
However, I’ve heard that teeth can become more fragile and prone to fractures after a root canal.
If I need a root canal, should I go to a larger hospital for safety, similar to having my wisdom teeth extracted? It seems that larger hospitals are more likely to offer advanced treatments like microscopic root canal therapy.

Additionally, I have a history of endocrine disease and underwent iodine-131 treatment, and I am currently taking thyroid hormone.
My heart rate is somewhat elevated, but I'm unsure if this falls under the category of heart disease when consulting a dentist.
Should I seek another clinic for an evaluation of my cavities to see if there’s still a chance for saving my teeth? If I go to a new clinic, do I need to inform the dentist about my past medical conditions and treatments?
I have only ever seen my orthodontist since high school and have never visited another dental clinic, so I’m worried that if I go to a different clinic or a large hospital, my original orthodontist might not accept me anymore.
What should I do? I’m really concerned that my teeth might only have the options of root canal treatment or extraction.

Nìmíng, 20~29 year old female. Ask Date: 2020/11/14

Dr. Zeng Guanghui reply Dentistry


Hello Ms.
Anonymous: If the cavity is very deep and has caused spontaneous tooth pain, it is recommended to undergo root canal treatment.
Root canal treatment is not an invasive procedure, and if heart disease or endocrine disorders are well-controlled, there will be no complications.
Director Tseng Guang-Hui, Nantou Hospital Dental Department.

Reply Date: 2020/11/14

More Info


Tooth decay and sensitivity are common dental issues that can significantly impact your quality of life. Based on your description, it seems you are facing a complex situation involving deep cavities, sensitivity, and concerns about potential root canal treatment. Let's break down your concerns and explore the treatment options available.

Firstly, it is essential to understand that tooth sensitivity often arises from exposed dentin, which can occur due to enamel erosion, gum recession, or deep cavities. In your case, the deep decay in your upper right second molar is a significant concern. If the decay is too extensive, it may compromise the tooth's structural integrity, leading to increased sensitivity and pain. Your dentist's recommendation to consider root canal treatment is a common approach when decay reaches the pulp of the tooth, which contains nerves and blood vessels.

Root canal treatment (RCT) is designed to remove the infected or damaged pulp, clean the inside of the tooth, and seal it to prevent further infection. While it is true that a tooth that has undergone RCT may be more susceptible to fracture due to the loss of its nerve supply and blood flow, this risk can be mitigated by placing a crown on the tooth afterward. Crowns provide additional support and protection, allowing the tooth to function normally.

Regarding your concern about whether to seek treatment at a larger hospital or clinic, it is essential to choose a facility that you feel comfortable with and that has a good reputation for dental care. Many general dentists are well-equipped to perform root canal treatments, but if you have specific concerns or a complicated case, consulting an endodontist (a specialist in root canal treatment) may be beneficial. Endodontists often have advanced training and equipment, such as operating microscopes, which can enhance the precision of the procedure.

Given your medical history, including thyroid treatment and any potential cardiovascular concerns, it is crucial to communicate this information to your dentist or endodontist. They will need to assess your overall health to ensure that any dental procedures are safe for you. It is standard practice for dental professionals to inquire about your medical history, so be prepared to provide details about your past treatments and current medications.

If you are considering switching dental providers, it is understandable to feel apprehensive about leaving a long-term dentist. However, your health and comfort should be your top priority. It is perfectly acceptable to seek a second opinion, especially if you have concerns about your current treatment plan. Most dental professionals will respect your decision to explore other options, and it should not affect your relationship with your original dentist.

In summary, here are some steps you can take:
1. Consult a Specialist: If you are uncertain about the treatment plan, consider seeing an endodontist for a second opinion regarding the need for root canal treatment.

2. Communicate Your Medical History: Always inform your dental provider about your medical history, including any medications you are taking and previous treatments.

3. Consider Your Options: If root canal treatment is necessary, discuss the possibility of placing a crown afterward to protect the tooth.

4. Seek Comfort: Choose a dental provider where you feel comfortable and confident in their care.

5. Monitor Your Symptoms: Keep track of any changes in your sensitivity or pain levels, and report these to your dentist.

Ultimately, addressing tooth decay and sensitivity promptly can prevent further complications and help maintain your oral health. Don't hesitate to ask questions and advocate for your needs during your dental visits.

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