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Everything you need to know about a dead tooth

 

A tooth is referred to as being ‘dead’ when there is no longer any blood flow to it. Sometimes this is also known as a ‘non-vital tooth.’

Both tooth decay and an injury can cause a dead tooth. In this article, we look at the common symptoms, as well as how a dead tooth can be treated and prevented.

What is a dead tooth?

Dead tooth
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A dead tooth can be painful and change color.
A tooth has three layers – enamel, dentin, and pulp. The pulp contains the blood vessels and nerves.

Dead or dying nerves in the pulp can lead to a dead tooth. A dead tooth will also no longer have any blood flow to it.

A dead nerve in a tooth is sometimes referred to as a necrotic pulp or a pulpless tooth.

Once this happens, the tooth will eventually fall out by itself. However, it can be dangerous to wait for this to occur, as the tooth can become infected and affect the jaw and other teeth.

Symptoms

It is not always easy to identify a dead tooth just by looking at it. Only a dental professional will be able to diagnose it, which is why regular trips to the dentist are important.

There are, however, two main symptoms of a dead tooth that can help with self-diagnosis:

pain
change in color
Pain

A tooth that is dead or dying can lead to a varying level of pain, from almost non-existent to extremely painful. The dying nerve or an infection usually causes an increase in pain.

Some people wonder why they experience pain if the nerve is dead. However, the pain is not coming from inside the tooth but from extremely sensitive nerve endings around the outside of the tooth, called the periodontal membrane.

Bacteria and dead nerve remnants, or pus, builds up in the pulp cavity inside the tooth and puts pressure on the periodontal membrane, which can cause immense pain.

If there is an infection, it may turn into an abscess and produce other symptoms, including:

bad taste
bad smell
swelling
a pimple on the gums
Change in color

If the tooth is dead, it will often get darker in color, and a person may notice a yellow, gray, or black discoloration.

A change in color usually occurs because the red blood cells are dying. This is a very similar effect to bruising.

The discoloration will usually happen if a dead tooth goes untreated and will increase over time.

Causes

There are two main causes of a dead tooth: tooth decay and tooth trauma.

Tooth decay

Tooth decay can lead to a dead tooth.
Tooth decay begins on the outermost layer of the tooth, but over time it can cause cavities that penetrate into the deeper layers.

If these cavities are left untreated, they can eventually reach the pulp and create a pathway for bacteria to enter the tooth and cause the nerve to die.

The healthy pulp will have an inflammatory response to the bacteria to try and fight off the infection, but the white blood cells can only hold it off for so long.

The pressure inside the pulp will increase, cutting off the blood supply, starving the nerve, and killing the pulp. This can cause intense pain.

Tooth trauma

If there is a physical trauma to the tooth, such as from a sports injury or a fall, then the blood vessels can burst, or the blood supply to the tooth may be cut off.

Eventually, because there is no blood flowing to the tooth, the nerve and other living tissues inside the pulp will die.

Treatment

Early treatment to fix a dead tooth is vital.

Even if a person is not feeling pain at first, if they suspect they have a dead tooth they should seek medical advice as it could become extremely painful.

An X-ray will often help a dentist diagnose a dead tooth.

There are two options for treatment for a dead tooth:

extraction or removal
root canal
Extraction

If the dentist is unable to repair the tooth, they may have to remove it. This is one reason why early treatment is so important.

Tooth extraction is a simple procedure that is relatively cheap and painless. Later, a dentist can replace the tooth with a fixed bridge, implant, or another prosthetic tooth.

Root canal

Root canal therapy may be used to treat a dead tooth.
Dentists avoid removing teeth if at all possible, so may recommend a root canal first.

Also known as endodontics, root canal treatment aims to clear all infection from the tooth and root. The area is then cleaned and sealed to try and prevent further infection.

Root canal treatment is a lengthy process, and the person will probably have to visit the dentist more than once before the treatment is complete.

Once the infection has cleared, the dentist will fill the tooth permanently. A dead tooth can still be functional after treatment, as most of the tooth is still intact.

However, because dead teeth can be more brittle, some people may need to have a crown fitted, which will provide extra support and strength to the tooth.

Prevention

The Oral Health Foundation recommend people follow a routine for dental care:

brushing the teeth with fluoride toothpaste before bed and at least once more during the day
cleaning between the teeth with floss or an interdental brush at least once a day
avoiding sugary food and drinks
having regular dental check-ups
Fluoride toothpaste, dental floss, and interdental brushes are available for purchase online.

Preventing tooth trauma is not always easy, although wearing a gum shield or mouth guard is recommended for people who do certain sports.

Also, a person should avoid chewing ice and opening things with their teeth. Individuals who grind their teeth at night might consider a mouth guard to use while they sleep as well.

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30 Comments

  1. Reply

    Good article

  2. Reply

    Very good post

  3. Reply

    God bless you for the time you brought out to share this with us

  4. Reply

    Nice update

  5. Reply

    Thanks for this update

  6. Reply

    Thanks for sharing

  7. Reply

    Wow that’s awesome information

  8. Reply

    Thought the best thing to do is pull it out

  9. Reply

    Didn’t know there was something like a dead tooth. Very educative write up

  10. Reply

    Thanks for sharing

  11. Reply

    Thanks for the information

  12. Reply

    Health is wealth

  13. Reply

    Very educative

  14. Reply

    Awesome information thanks for letting us know

  15. Reply

    Awesome

  16. Reply

    Nice

  17. Reply

    Nice update

  18. Reply

    Good to know

  19. Reply

    Noted

  20. Reply

    Thanks for sharing

  21. Reply

    Nice info

  22. Reply

    I once had a dead tooth which I later extracted

  23. Reply

    Good

  24. Reply

    Informative

  25. Reply

    Nice article

  26. Reply

    Nice

  27. Reply

    Good sharing

  28. Reply

    Nice.piece

  29. Reply

    Nice
    Thanks for sharing

  30. Reply

    This is educative.
    Thanks for the update

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