Tooth Sensitivity: Causes, Treatments, and Solutions - Dentistry

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Tooth sensitivity?


Hello!
1.
Every time I eat something hot or cold, my teeth feel sensitive and soft.
This issue started after I had my teeth cleaned at the hospital.
Is this related to the dental cleaning?
2.
The toothpaste "DELICATE" marketed for sensitivity contains ingredients like aluminum lactate, fluoride, and vitamin E.
Does it have therapeutic effects?
3.
The doctor mentioned that if the sensitivity persists, we should consider tooth extraction or root canal treatment.
Is this appropriate?
4.
A tooth is broken but a small part is still exposed.
Does it need to be extracted? What happens if it is left as is?
5.
How can I treat tooth sensitivity?

Xiang Gong, 40~49 year old female. Ask Date: 2004/02/07

Dr. Liu Tiancai reply Dentistry


Hello! The sensitivity and discomfort in your teeth when consuming hot or cold foods is due to gum recession, which exposes the tooth roots, making them more sensitive.
This is indirectly related to dental cleanings, as the roots are usually covered by tartar, and after a cleaning, they become exposed, leading to increased sensitivity.
The effectiveness of over-the-counter desensitizing toothpaste is limited.
As for whether to extract a tooth or perform root canal treatment, I believe it is unnecessary; it is mainly about controlling your diet.
It is advisable to avoid acidic and cold foods as much as possible and to rinse your mouth with warm water while brushing.
Regarding a broken tooth, it depends on how much of the remaining root is left and whether the surrounding bone is strong enough.
It is best to consult a dental clinic to determine whether extraction is necessary.
For treating tooth sensitivity, the general approaches are: 1.
Dietary control, 2.
Fluoride application, 3.
Laser treatment to clean the exposed roots, and 4.
The last resort treatment is root canal therapy.
Sincerely, Dr.
Liu Tian-Cai, Chief of Dentistry, Taoyuan Hospital, Department of Health, Executive Yuan.

Reply Date: 2004/02/07

More Info


Tooth sensitivity can be a frustrating and painful experience, often arising from various underlying causes. Understanding these causes, potential treatments, and solutions is essential for managing this condition effectively.
1. Causes of Tooth Sensitivity:
Tooth sensitivity often manifests as a sharp pain or discomfort when consuming hot, cold, sweet, or acidic foods and beverages. This sensitivity can be attributed to several factors, including:
- Gum Recession: When gums recede, the tooth roots become exposed. Since the roots do not have the protective enamel layer, they are more susceptible to temperature changes and can lead to sensitivity.

- Enamel Erosion: Over time, enamel can wear down due to various factors such as aggressive brushing, acidic foods, or beverages. This erosion can expose the underlying dentin, which contains nerve endings that react to stimuli.

- Dental Procedures: Procedures like teeth cleaning (scaling) can temporarily increase sensitivity, especially if plaque and tartar were previously protecting the roots. After cleaning, the exposed areas may become more sensitive until they adjust.

- Cavities or Tooth Decay: If there are cavities or decay present, they can lead to increased sensitivity. This is particularly true if the decay is deep enough to affect the nerve endings within the tooth.

2. Effectiveness of Desensitizing Toothpaste:
Products like the "DELICATE" toothpaste you mentioned, which contains ingredients like aluminum lactate and fluoride, can help reduce sensitivity. These toothpastes work by either blocking the tubules in the dentin or by providing a protective layer over the exposed areas. However, the effectiveness can vary from person to person, and they may not provide complete relief for everyone.

3. Treatment Options:
If sensitivity persists despite using desensitizing toothpaste, it may be necessary to consider more invasive treatments. Your dentist may suggest:
- Fluoride Treatments: Professional fluoride treatments can strengthen enamel and reduce sensitivity.

- Dental Sealants: These can be applied to the teeth to protect sensitive areas.

- Root Canal Therapy: If the sensitivity is severe and linked to nerve damage or decay, a root canal may be necessary to remove the affected nerve and alleviate pain.

- Extraction: In cases where a tooth is severely damaged and cannot be restored, extraction may be the only option.

4. Dealing with a Broken Tooth:
If a tooth is broken but still has some structure remaining, it may not always require extraction. The decision to keep or remove the tooth depends on factors such as the extent of the damage, the tooth's position, and the overall health of the surrounding gums and bone. A dental professional can assess the situation and recommend the best course of action.

5. Managing Tooth Pain:
To manage tooth pain and sensitivity, consider the following strategies:
- Avoid Trigger Foods: Steer clear of very hot, cold, or acidic foods and beverages that can exacerbate sensitivity.

- Gentle Oral Hygiene: Use a soft-bristled toothbrush and avoid aggressive brushing techniques to minimize gum recession and enamel wear.

- Regular Dental Check-ups: Regular visits to the dentist can help catch issues early before they lead to more significant problems.

In conclusion, tooth sensitivity can stem from various causes, and understanding these can help in managing the discomfort. If sensitivity persists or worsens, it is crucial to consult with a dental professional for a thorough examination and tailored treatment plan. Regular dental care and attention to oral hygiene can significantly contribute to maintaining healthy teeth and gums, ultimately reducing sensitivity and discomfort.

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