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Tooth decay, disease, and injury can result in tooth loss. However, with advancements in treatment and technology, teeth have a better chance of being saved.
For example, root canal treatment is a common dental procedure that saves a severely damaged tooth.
During a root canal, your general dentist or endodontist will remove the infected pulp, clean the tooth, and seal it. Then they will place a temporary filling. After a few days, you will get a dental crown placed, which restores your tooth to normal function.
Root canals are one of the most common dental procedures, with more than 15 million performed every year.American Association of Endodontics
Dentin, the soft layer of a tooth below your tooth enamel, contains the "pulp chamber."
Inside the pulp chamber are the nerves, connective tissue, and blood vessels of a tooth. The dental pulp has a gel-like texture that consists of 75 percent water and 25 percent organic materials.
Tooth pulp provides sensory innervation (stimulation) through a tooth’s nerve. Extreme tooth sensitivity is a common symptom of infected dental pulp. However, if your tooth nerve dies, you may not feel any pain.
Common root canal causes include:
Signs your need a root canal:
If pulp inflammation is left untreated, it can cause pain or a dental abscess. An abscess is a small, white pimple-like swelling near the tooth's root. Abscesses can be very dangerous if left untreated.
Endodontics is a specialized area of dentistry that focuses on treating dental pulp diseases. Endodontists are the primary providers of root canals. They perform about 25 root canals per day.
Endodontists require advanced training in endodontic treatment and use state-of-the-art technologies, such as digital imaging and microscopes, to treat patients safely and effectively.
Many general dentists also perform root canals. However, they do not get advanced training in endodontic treatment.
General dentists only perform about two root canals per day, while endodontists perform 25 per day.
A root canal procedure is separated into three appointments. Each appointment lasts 30 to 90 minutes.
During the first appointment, your endodontist takes x-rays of the infected tooth, numbs the tooth, and extracts the infected pulp. Then a medicated paste made of rubber-like material, called gutta-percha, is placed into the root of the tooth between visits.
During the second appointment, your endodontist cleans, shapes, and seals the root canal. In the third appointment, your tooth is restored with a dental crown.
There are five steps in a root canal procedure, including:
The first step of root canal treatment is to numb the tooth. This ensures you do not feel anything during the procedure.
Your dentist will also use a small shield to keep the infected tooth clean, dry, and isolated during treatment.
After the tooth is numbed, your endodontist will make an opening through the biting surface of your tooth and into the pulp chamber. This allows them to access the dental pulp easily and quickly.
Removing the infected dental pulp is the most important step of root canal treatment.
To do this, your endodontist will carefully remove all soft tissue from within the roots and then clean and shape the root canals using small instruments. Then they will place a medicated irrigation fluid into the root canal to disinfect it and rinse out any bacteria.
After being shaped and cleaned, the root canal is sealed. Then a temporary filling is placed.
After the root canal is complete, you will visit your general or family dentist to have a dental crown placed. The crown protects the treated tooth and restores its natural function, shape, and look.
Do not chew or bite with a root canal-treated tooth that does not have a crown yet. Only a crown protects an endo-treated tooth from fracture; a filling does not. After the crown is placed, you can chew normally again within a few days.
Endodontists recommend following good oral hygiene practices, such as brushing, flossing, and using fluoride, after a root canal. You should also get routine teeth cleanings (twice a year) and regular checkups.
Other root canal aftercare tips include:
Root canals cost anywhere between $500 and $1,800 per tooth. An anterior root canal (front tooth) costs between $500 and $1,200. A posterior root canal (back tooth) costs between $1,200 and $1,800.
Sometimes, root canal treatment is an alternative to tooth extractions. Instead of removing the entire tooth, your endodontist may recommend only removing the infected pulp in your tooth (a root canal).
Root canals are more expensive than tooth extractions. However, a root canal restores your tooth to normal function and eliminates the need for a dental implant (fake tooth). If you get a tooth extracted, a dental implant will be necessary. Dental implants are very expensive.
A simple root canal, which is when the tooth only has one canal, typically takes 30 to 60 minutes to complete. Major root canals take about 90 minutes to complete.
Most patients are awake during a root canal procedure. Your endodontist will administer local anesthesia, which numbs the affected tooth and gums. You will not be able to feel anything during the procedure.
If the root canal procedure is more invasive, your dentist may use unconscious sedation, which means you are put to sleep for the duration of treatment.
Many people think root canals are extremely painful. However, with advancements in technology, root canals feel about the same as a deep cavity filling. A numbing medication (local anesthetic) is also used, which reduces pain during the procedure.
Root canal insurance coverage varies depending on your dental insurance plan. Root canal therapy is medically necessary, so insurance usually covers most of the treatment cost.
Learn more about the cost of a root canal without insurance and with insurance here.