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What is a root canal?

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A root canal is a dental procedure involving the removal of the soft centre of the tooth, the pulp. The pulp is made up of nerves, connective tissue, and blood vessels that help the tooth grow.

In the majority of cases, a general dentist or endodontist will perform a root canal while you’re under local anaesthesia.

Learn more about this common procedure, as well as the potential risks involved.

When is a root canal needed?

A root canal is performed when the soft inner part of a tooth, known as the pulp, is injured or becomes inflamed or infected.

The crown of the tooth — the part you can see above your gums — can remain intact even if the pulp is dead. Removing injured or infected pulp is the best way to preserve the structure of the tooth.

Common causes of damage to the pulp include:

  • deep decay due to an untreated cavity
  • multiple dental procedures on the same tooth
  • a chip or crack in the tooth
  • an injury to the tooth (you might injure a tooth if you get hit in the mouth; the pulp can still be damaged even if the injury doesn’t crack the tooth)

The most common symptoms of damaged pulp include pain in your tooth, and swelling and a sensation of heat in your gums. Your dentist will examine the painful tooth and take X-rays to confirm the diagnosis. Your dentist may refer you to an endodontist if they think you need a root canal.

Root Canal Treatment & Sleep Dentistry Port

Root canal treatment is a very common dental procedure involving removing the pulp from a tooth that has been infected or damaged. Once the pulp is removed, the root canal is cleaned and sealed to prevent further infection.

Some dentists prefer to have their patients sleep through the entire root canal treatment, while others are comfortable working on a conscious patient. Therefore, some dentists believe that sleep dentistry is essential for root canal treatment, while others believe it is unnecessary. Ultimately, deciding whether to use sleep dentistry depends on the dentist’s preferences and experience. 

However, sleep dentistry Port or sedation may be helpful to make the patient more comfortable and relaxed. In some cases, administering anaesthesia may also be necessary to prevent pain during the procedure. 

How is a root canal performed?

A root canal is performed in a dental office. When you arrive for your appointment, a technician will escort you to a treatment room, help you get situated in a chair, and place a bib around your neck to protect your clothes from stains.

Step 1: Anaesthetic

The dentist will place a small amount of numbing medication on your gum near the affected tooth. Once it has taken effect, a local anaesthetic will be injected into your gums. You may feel a sharp pinch or a burning sensation, but this will pass quickly.

You’ll remain awake during the procedure, but the anaesthetic will keep you from feeling any pain.

Step 2: Removing the pulp

When your tooth is numb, the endodontist or general dentist will make a small opening in the top of the tooth. Once the infected or damaged pulp is exposed, the specialist will carefully remove it using special tools called files. They’ll be particularly careful to clean out all the pathways (canals) in your tooth.

Step 3: Antibiotics

Once the pulp has been removed, the dentist may coat the area with a topical antibiotic to ensure that the infection is gone and to prevent reinfection. Once the canals are cleaned and disinfected, the dentist will fill and seal the tooth with a sealer paste and rubber-like material called gutta-percha. They also may prescribe you oral antibiotics.

Step 4: Temporary filling

The dentist will end the procedure by filling the small opening in the top of the tooth with a soft, temporary material. This sealant helps prevent the canals from being damaged by saliva.

Follow-up after your root canal

Your tooth and gums might feel sore when the numbing medication wears off. Your gums may also swell. Most dentists will have you treat these symptoms with over-the-counter pain medications such as acetaminophen (Tylenol) or ibuprofen (Advil). Call your dentist if the pain becomes extreme or lasts for more than a few days.

You should be able to resume your normal routine the day after the procedure. Avoid chewing with the damaged tooth until it’s permanently filled or a crown is placed over the top.

You’ll see your regular dentist within a few days of the root canal. They’ll take X-rays to make sure that any infection is gone. They’ll also replace the temporary filling with a permanent filling.

If you prefer, the dentist may place a permanent crown on the tooth. Crowns are artificial teeth that can be made from porcelain or gold. The benefit of a crown is its realistic appearance.

It may take you several weeks to get used to how the tooth feels after the procedure. This is normal and no cause for concern.

Risks of a root canal

A root canal is performed in an effort to save your tooth. Sometimes, however, the damage is too deep or the enamel is too frail to withstand the procedure. These factors can lead to loss of the tooth.

Another risk is developing an abscess at the root of the tooth if some of the infected material remains behind or if the antibiotics aren’t effective.

If you’re apprehensive about a root canal, you can talk to your dentist about an extraction instead. This often involves placing a partial denture, bridge, or implant in place of the damaged tooth.

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