Root Canal Therapy

What is a root canal?

A root canal is one of the most common dental procedures performed, well over 14 million every year. This simple treatment can save your natural teeth and prevent the need of dental implants or bridges.

At the center of your tooth is pulp. Pulp is a collection of blood vessels that helps to build the surrounding tooth. Infection of the pulp can be caused by trauma to the tooth, deep decay, cracks and chips, or repeated dental procedures. Symptoms of the infection can be identified as visible injury or swelling of the tooth, sensitivity to temperature or pain in the tooth and gums.

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If you experience any of these symptoms, your dentist will most likely recommend non-surgical treatment to eliminate the diseased pulp. This injured pulp is removed and the root canal system is thoroughly cleaned and sealed. This therapy usually involves local anesthesia and may be completed in one or more visits depending on the treatment required. Success for this type of treatment occurs in about 90% of cases. If your tooth is not amenable to endodontic treatment or the chance of success is unfavorable, you will be informed at the time of consultation or when a complication becomes evident during or after treatment. We use local anesthesia to eliminate discomfort. In addition, we will provide nitrous oxide analgesia, if indicated. You will be able to drive home after your treatment, and you probably will be comfortable returning to your normal routine.

An example of a healthy tooth
Healthy Tooth
A tooth anatomy diagram highlighting pulp dentin and canal
Tooth Anatomy
A visual of tooth inflammation showing tooth decay and a inflamed pulp
A representation of a tooth with its canals cleaned
Cleaned Canals
An illustration of root canal filling of a tooth
Filling Placed
An example of a tooth healed by root canal therapy
Healed Tooth

Endodontic Presentation

To provide you with a better understanding of endodontic therapy, we have provided the following multimedia presentation. Many common questions pertaining to root canals are discussed.

Endodontic Presentation

What happens after treatment?

When your root canal therapy has been completed, a record of your treatment will be sent to your restorative dentist. You should contact their office for a follow-up restoration within a few weeks of completion at our office. Your restorative dentist will decide on what type of restoration is necessary to protect your tooth. It is rare for endodontic patients to experience complications after routine endodontic treatment or microsurgery. If a problem does occur, however, we are available at all times to respond. To prevent further decay, continue to practice good dental hygiene.

How much will it cost?

The cost associated with this procedure can vary depending on factors such as the severity of damage to the affected tooth and which tooth is affected. In general, endodontic treatment is much less expensive than tooth removal and replacement with an artificial tooth.


Alderwood Endodontics

4.5 out of 5 stars based on 31 Root Canal Therapy reviews.

Patient Review By Haritha G

Dr. Wu explained me her procedures and she made me comfortable and informed through the whole process. She was so responsible and called to check on me. Overall, I recommend to other who need root canal treatment.

- Haritha G

5 out of 5 stars on

Patient Review By Grace T

Dr. Wu was very kind, knowledgeable, and friendly. She explained her procedures every step of the way and she made sure that you felt comfortable and informed through the whole process. Thank you for the excellent care!

- Grace T

5 out of 5 stars on

Patient Review By Viktoriya U

Everything was perfect

- Viktoriya U

5 out of 5 stars on

Patient Review By Tracy H

I had a dental emergency and was referred to Alderwood Endodontics by my regular dentist and was so appreciative that they were able to get me in quickly given the level of pain I was experiencing. Dr. Bogaert provided an exceptional explanation of the images of the involved tooth and roots. The procedure went smoothly and I appreciated receiving a follow up call to check on my status. Best of all, I was doing so much better even later the same day of the procedure.

- Tracy H

5 out of 5 stars on

Patient Review By Vicki A

My dentist found I needed a root canal. They called while I sat in the chair and got me in immediately! I was walked there from Dr. Robinsons and welcomed by all. The doctor and her assistant were so caring and explained to me what they would be doing. They were kind, they were gentle. There was no pain and no need to worry. I am so thankful and would highly recommend!

- Vicki A

5 out of 5 stars on

Patient Review By Erin D

Would have liked a little more desciption of the procedure as it was going along. Overall painless procedure, the nitrous gas helped a lot with anxiety.

- Erin D

4 out of 5 stars on

Patient Review By Nancy H

This was my first root canal. It ended up being a three visit process over a year + because of Covid shut downs and my procrastination. I never had any real pain. At the end of the appointment today Dr B explained everything in detail. I might have appreciated a little more explanation through the process, since I have never experienced this before. Sometimes I felt he was not happy with his assistant, but I felt comfortable with the job she did. It was a good experience overall.

- Nancy H

4 out of 5 stars on

Patient Review By Ranee P

Wow - what a great office. This was quite the set up, so upscale from the last root canal I had done several years ago. Top of the line equipment, very very friendly and helpful personnel and a top notch dentist. He had to spend extra time to find the 'calcified' canals. Can't ask for much more.

- Ranee P

5 out of 5 stars on

Patient Review By Lance A


- Lance A

5 out of 5 stars on

Patient Review By Rizalina P

Top notch service. Thank You

- Rizalina P

5 out of 5 stars on

Patient Review By Chanthou S

No pain during the procedure except a shot of numbness on my gum. Dr. Wu was so responsible and called to check on me. Overall, I recommend to other who need root canal treatment.

- Chanthou S

4 out of 5 stars on