881 Bay Street, Plaza Suite

Toronto, ON M5S 3K6

Monday – Friday: 9:30 AM – 7:00 PM

Please note that we are open on alternating Fridays. Call ahead to book an appointment and confirm our hours.

Root Canal Treatment

Endodontic treatment, also known as a root canal, is a dental procedure to treat the diseased pulp of a tooth. The pulp is what gives the tooth its vitality. If the dental pulp becomes damaged, the tooth will begin to die and a root canal will often be required either to prevent infection or tooth loss. Root canal treatment can be used to relieve your pain and ultimately save the tooth.

Some signs that you may need endodontic treatment are:

  • Severe tooth pain when eating or applying pressure to the area
  • A small, pimple-like bump on the gums near the area of tooth pain
  • Discolouration of a tooth
  • Tenderness, irritation, or swelling in the vicinity of the area of pain 
  • Extreme sensitivity to hot or cold that lingers after the hot or cold stimulus has been removed
  • Sometimes there can be no symptoms, but is detected radiographically

root canal treatment
  • Image #1 - A tooth’s nerve chamber becomes infected by decay or damaged by trauma. If pulp inflammation or infection is left untreated, it can cause pain or lead to an abscess.
  • Image #2 - An opening in the crown of the tooth is created in order to create access and clean the pulp chamber.
  • Image #3 - Very small files and rotary instruments are used to clean the necrotic or diseased tissue from the inside of the narrow pulp canals. The canals are then disinfected with various solutions in order to remove debris from the canals.
  • Image #4 – The instrumented canals are filled with gutta percha filler to prevent reinfection. A temporary or permanent filling material will then be placed to seal the access hole that was made initially. All teeth that have been treated with a root canal need to be restored with a crown in order to restore structural integrity and prevent fracture (see below).

Why Crowns are Important after Root Canal Treatment
A root canal procedure removes the blood vessels and nerves from within the tooth to prevent diseased tissue from spreading. Because it is no longer possible to deliver nutrients to the tooth via the blood vessels, the tooth loses its vitality and becomes prone to fracture. You will need a crown on any teeth that have been through root canal treatment because it will encompass and fully cover the tooth in order to strengthen and protect it. 

crown 1 crown 2

Further Treatment: Post and Core Build-Up
If not enough natural coronal tooth structure remains after root canal treatment, post and core build-up may be required in order for the final crown to have something to “grab” onto. By restoring the tooth first with a post and core, it can increase the stability and ultimate survival of the tooth.

To help save your tooth, it is mandatory that any tooth that has been treated with root canal therapy be finally restored by placement of the appropriate type of crown. The right crown is dependent upon the area of the mouth it is to be placed in. The different types of crowns include full metal crown, porcelain fused to metal crown, or a porcelain jacket crown.

If you are experiencing the symptoms that indicate you may need endodontic treatment, call Dentistry on Bay in order to have it checked out.

crown 3 crown 4

If you are experiencing the symptoms that indicate you may need endodontic treatment, call Dentistry on Bay in order to have it checked out.

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Dentistry On Bay

881 Bay Street

Toronto, ON M5S 3K6

Hours

Monday – Friday: 9:30 AM – 7:00 PM

Please note that we are open on alternating Fridays. Call ahead to book an appointment and confirm our hours.

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