How to Deal With a Wisdom Tooth Cavity

How to Deal With a Wisdom Tooth Cavity

Wisdom teeth, also known as third molars, typically emerge in late adolescence or early adulthood. These teeth can sometimes cause problems, especially if they develop cavities. Understanding how to manage a wisdom tooth cavity is essential for maintaining good oral health.

In this blog, we’ll cover the causes of wisdom teeth, the symptoms and treatments of a wisdom tooth cavity, and how to prevent issues with these troublesome teeth.

Understanding Wisdom Teeth

Wisdom teeth are the last set of molars that grow at the back of your mouth. They usually appear between the ages of 17 and 25. Some people may have all four wisdom teeth, while others might have fewer or none at all.

Causes of Wisdom Teeth Problems

There are several reasons why wisdom teeth can cause issues, including:

causes of wisdom teeth problems

What Causes Wisdom Tooth Cavities?

A cavity in a wisdom tooth occurs when bacteria in the mouth produce acids that erode the tooth enamel. This can happen for several reasons:

  • Poor Oral Hygiene: Because wisdom teeth are hard to reach, they are often not cleaned thoroughly, leading to plaque buildup and decay.
  • Partial Eruption: A partially erupted wisdom tooth creates a flap of gum tissue that can trap food and bacteria, leading to cavities.
  • Impacted Teeth: Impacted wisdom teeth can push against other teeth, causing pain and creating areas where plaque can accumulate.


Symptoms of a Wisdom Tooth Cavity

A wisdom tooth cavity may present several symptoms, including:

  • Pain or Sensitivity: You might experience pain when chewing or sensitivity to hot, cold, or sweet foods.
  • Swelling and Redness: The gum around the affected tooth may become swollen and red.
  • Bad Breath: A cavity can cause a persistent bad taste or bad breath.
  • Visible Holes or Discoloration: You might see a hole or dark spot on the tooth.


Treatments for a Wisdom Tooth Cavity

If you suspect a cavity in your wisdom tooth, it’s crucial to seek treatment from a dental professional. Here are some common treatment options:

  1. Filling or Restoration: If the cavity is detected early, your dentist may recommend a filling to restore the tooth. This involves removing the decayed portion and filling it with a dental material such as composite resin or amalgam.
  2. Root Canal Treatment: If the decay has reached the tooth’s pulp (the innermost part of the tooth containing nerves and blood vessels), a root canal may be necessary to remove the infected tissue and save the tooth.
  3. Extraction: In many cases, particularly if the wisdom tooth is impacted or the cavity is severe, the best course of action may be to extract the tooth. This is a common procedure and can prevent further complications.
  4. Antibiotics: If there is an infection, your dentist might prescribe antibiotics to treat it. However, antibiotics alone won’t solve the underlying problem, so further dental treatment will be necessary.


Prevention of Wisdom Tooth Problems

Preventing issues with wisdom teeth, including cavities, is vital for maintaining good oral health. Here are some tips:

  1. Maintain Good Oral Hygiene: Brush your teeth at least twice a day and floss daily. Pay extra attention to the back of your mouth where wisdom teeth are located.
  2. Regular Dental Check-ups: Regular visits to the dentist can help catch potential problems early. Your dentist can monitor the growth and position of your wisdom teeth and recommend preventive measures.
  3. Consider Removal: If your wisdom teeth are likely to cause problems, your dentist may suggest removing them before they can lead to issues like cavities or gum disease.
  4. Healthy Diet: Eating a diet low in sugar and high in fruits and vegetables can help keep your teeth healthy and reduce the risk of cavities.
  5. Avoid Tobacco: Smoking or using other tobacco products can increase the risk of dental problems, including cavities and gum disease.



Dealing with a wisdom tooth cavity can be uncomfortable, but with the right treatment and preventive measures, you can maintain good oral health. Regular dental visits and good oral hygiene are key to preventing cavities and other issues with your wisdom teeth. If you experience symptoms of a wisdom tooth cavity, consult your dentist promptly for the best treatment options.

At National Dental Care, our expert orthodontists are well-versed in delivering the best wisdom tooth cavity filling treatment. Visit today to know more.


How can I prevent cavities in my wisdom teeth?

Maintaining good oral hygiene, including brushing and flossing regularly, and visiting your dentist for check-ups can help prevent cavities in your wisdom teeth.

Can a wisdom tooth cavity be filled like other teeth?

Yes, if caught early, a cavity in a wisdom tooth can often be filled just like any other tooth.

What are the symptoms of a wisdom tooth cavity?

Symptoms may include pain, sensitivity, swelling, bad breath, and visible holes or discoloration on the tooth.

Should I have my wisdom teeth removed if they have cavities?

If the cavity is severe or the tooth is impacted, extraction might be the best option. Your dentist can help you decide the right course of action.

How often should I see a dentist for wisdom tooth issues?

Regular dental check-ups every six months are recommended, but if you have wisdom tooth problems, you may need to visit more frequently.

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