Highgrove Dental Care
A Great Dentist
  • Dental Office St. Paul MN

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Welcome to Our Practice

We feature pain-free and sedation dentistry to make your patient experience comfortable and relaxed. Even if you have had difficulty getting and staying numb or you have some catching up to do when it comes to your dentistry, we can help you achieve and maintain excellent oral health. We look forward to welcoming your entire family to our Saint Paul, MN dental office.

Dr. O'Neill

With over thirty years of experience, Dr. O'Neill offers high-quality, reliable results to our patients seeking general, cosmetic, and emergency dentistry. Our entire team is committed to providing you with an outstanding experience consistently.


"Dr. O'Neill is a perfectionist! He knows the latest techniques and has the most updated equipment. He is very thorough in his assessments and is knowledgeable. I highly recommend him. Great, friendly staff. Very professional." - Mary Dunnavan

Why Do I Need a Root Canal?

June 28, 2016
Posted By: Dr. Terry O'Neill
Root Canal | Saint Paul Dentist

Most patients fear the words, “root canal” because there is a common misconception that your treatment will be painful. Root canal treatment is a procedure that actually reduces inflammation and eliminates pain. It may even save your tooth.

Root Canal Causes

Patients need a root canal when they suffer from an infection. Sometimes the infection occurs due to deep dental decay that breaches your tooth’s root. This can be quite painful! One way to avoid deep decay that puts your tooth at risk is by maintaining regular dental exams and professional cleanings. Dr. O’Neill strives to diagnose the most common dental conditions in their earliest stages when they are easier to treat. We should be able to catch most cavities before they cause serious problems as long as you maintain your dental appointment schedule.

Trauma may damage the root of your tooth and cause inflammation. Root canal therapy may be the only way to restore your comfort.

Other conditions, such as periodontal disease and malocclusion (bad bite) may also contribute to an infection in the root of your tooth.

We will always make sure that you are comfortable during treatment. We use the latest root canal treatment technology and Dr. O’Neill uses state-of-the-art anesthetic technology to make sure that you don’t feel a thing. For patients who have dental anxiety, we offer sedation dentistry as a solution.

Typically, once we complete your root canal therapy, you will begin to feel significantly better. You may have some slight sensitivity for a few days as the inflammation goes down, but you should notice marked improvement.

Contact Us

If you have questions about root canals in the Saint Paul Minnesota area, give us a call. Our team is knowledgeable and helpful. We look forward to providing you with exceptional dental care and treating you the way you deserve.

If you have difficulty using our website, please email us or call us at (651) 698-3828
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Our office is now open. We are committed to following OSHA, CDC, and ADA guidelines in the midst of the COVID-19 pandemic to maintain a safe clinic for patients and staff. Click here to see more info.