Hu Smiles in Renton
Dr. Yuchen Hu
Root Canal Treatment
Gentle Care for Your Root Canal

Relieve tooth pain and save your tooth with gentle treatment and sedation options.

mountain range

Root Canal Treatment in Renton

diagram of tooth gums and tooth root systemA severe toothache can make it hard to eat, sleep, or even get through your day. Many people fear that root canals are painful, but it's actually the opposite: A root canal removes the infection that causes the pain to provide immediate relief. With local anesthesia and nitrous oxide available, most patients feel comfortable throughout the procedure and are surprised by how easy the experience feels.

At Hu Smiles in Renton, we provide gentle root canal therapy that cleans out the infection and saves your natural tooth, so you don’t need an extraction or dental implant.

You deserve personalized treatment.

Our treatment plans are as unique as you are. Some patients choose a root canal to save a painful tooth. Others prefer extraction and replacement with an implant or bridge. Dr. Yuchen Hu will explain each option, including cost, healing time, and expected long-term results, and you can choose the path that feels right for you.

How a Root Canal Benefits You

You hurt and you want relief, but do you really need a root canal? Here are all the reasons root canal is a good thing!
Quick Pain Relief
Root canal therapy removes infection and stops severe tooth pain. With strong local anesthesia and our gentle touch, most find the procedure easier than expected.
Save Your Tooth
A root canal cleans and seals the inside of the tooth, preventing further damage. Keeping natural teeth for as long as possible is always better for your oral health.
Avoid Tooth Extraction
A root canal allows you to keep the tooth rather than removing and replacing it. Dr. Hu will explain both options so you can choose the treatment that fits your needs.

Testimonial

I Have Nothing But Positive Things to Say About The Whole Experience.

On a Sunday I woke up with a horrible tooth ache. After a quick google search I found a single emergency dentist open. Dr Hu was able to fit me in same day to take a look and offer help! I have nothing but positive things to say about the whole experience. He squeezed me in for a root canal within two days. They are kind, considerate and very easy to talk to about questions or concerns. Up front information about financial obligations, as well as talking with you face to face (not in the chair) about what the next steps can/should be really impressed me. I haven't had a dental team so thoughtful. I highly suggest going to see Dr. Hu at Hu Smiles!

- Michelle

What is a root canal, exactly?

Inside every tooth is a soft tissue called the pulp, which contains nerves and blood vessels. If the pulp becomes infected from decay, a crack, or trauma, it can cause severe pain or swelling.

When this occurs, Dr. Hu will numb the area so you don't feel any pain, remove the infection, clean the inside of the tooth, and seal it to prevent further issues. The procedure can make the tooth brittle and more prone to damage, so we typically recommend a dental crown to protect it.

How long does a root canal take?

Most root canals take about one hour, depending on how many canals are in the tooth. After the procedure, we’ll place a temporary filling or crown, and you’ll return later for the final restoration.

What if I’m nervous about the procedure?

We understand dental anxiety around procedures like root canals and offer nitrous oxide to help you feel relaxed and comfortable. You’ll be awake but calm, and treatment usually feels quick and easy.

Frequently Asked Questions

A tooth that needs a root canal often shows clear signs that the nerve is infected or inflamed. Symptoms can come and go, or they may get gradually worse over time.

Signs You Might Need a Root Canal

  • Severe toothache, especially a throbbing or pressure-like pain
  • Pain when chewing or biting down
  • Sensitivity to heat or cold that lingers after the source is gone
  • Gum or facial swelling 
  • Pimple-like bump on the gums (can indicate an abscess)
  • Darkening or discoloration of the tooth

If you experience any of the following signs, call Hu Smiles in Renton right away: 

  • Pain that wakes you up at night
  • Swelling that is spreading
  • A bad taste or odor near the tooth
  • Fever or feeling generally unwell

Why These Symptoms Happen

The pulp at the center of your tooth contains the blood vessels and nerves that keep the tooth alive. When decay, a crack, or trauma reaches this part of the tooth, bacteria cause infection and inflammation. A root canal removes the infection and saves the natural tooth.

Contact Our Renton Dental Office

Not every toothache needs a root canal, but ignoring symptoms can lead to worsening pain or an abscess. If you notice any of these signs, call our Renton, WA, dental office at (253) 277-8767. Dr. Hu will examine the tooth, take x-rays, and explain your treatment options so you can choose the best solution.

  • Dr. Yuchen Hu

    Dr. Hu was born and raised in San Francisco, California, and completed his schooling in California and Philadelphia before working in the Midwest. Originally from the West Coast, he and his wife Jessie are thrilled to be back home near family in Washington State. He earned his Doctor of Dental Medicine degree from the University of Pennsylvania School of Dental Medicine and opened his practice in Renton in 2019.

    What draws Dr. Hu to dentistry is the unique blend of art and science—he loves working with his hands and helping ...

    Read More

What happens after a root canal?

After removing the infected pulp, Dr. Hu seals the tooth and protects it with a crown or filling to prevent further damage. Mild soreness is normal for a day or two, but most of our patients return to normal eating and activities quickly.

Can't I just take an antibiotic instead of a root canal?

Antibiotics can reduce swelling temporarily, but they don’t remove the infection inside the tooth. A root canal (or extraction) is the only long-term solution available.

Relieve the toothache, save the tooth.

If your tooth is throbbing, sensitive, or swollen, a root canal may be the quickest way to stop the pain and save your natural tooth. Contact Hu Smiles in Renton to schedule an appointment, and we’ll examine the tooth, explain all your options, and help you choose the treatment that works best for you.

Our office is based in Renton, WA, and we welcome patients from all over the Pacific Northwest, including Kent, Tukwila, Maple Valley, Covington, and beyond.

Root Canal Treatment Technology

patient getting nitrous oxide during dental treatment

Nitrous Oxide or "Laughing Gas"

Nitrous oxide, often called "laughing gas," is a safe sedation option that helps anxious patients feel calm and relaxed during dental procedures. Delivered through a small mask you breathe through your nose, nitrous oxide takes effect within minutes and wears off quickly once removed, and you can drive yourself home after your appointment.

Used for everything from routine cleanings to more complex procedures, it reduces anxiety and discomfort while keeping you awake and responsive throughout your treatment.

If you have difficulty using our website, please email us or call us at (253) 277-8767
View the ADA Accessibility Statement
Privacy Policy