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

Open Monday through Thursday 7 am to 7 pm
for your convenience!

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


Ways to Brighten Your Smile

Cosmetic Dentistry | Saint Paul Dentist

Since smiling is one of the ways we make a first impression, many of our patients want to make sure they are sending the right message with a healthy, brilliant smile! Over time, our smiles can become stained and yellow due to tobacco use, certain foods, and coffee or tea consumption. 

We offer cosmetic dentistry in St. Paul, MN to help our patients achieve a bright, white smile. If you want to keep your smile looking its best so that you feel confident, here are three ways to improve the appearance of your smile.

  1.  Avoid staining foods, beverages, and lifestyle habits. Drinking coffee, tea, red wine, and dark juices such as ...

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The Importance of a Family-Oriented Dental Practice

Family Dentistry | Saint Paul Dentist

Our dental office, located in St. Paul features family dentistry. We welcome patients of all ages and levels of health – from toddlers to seniors, and everyone in between. We understand that our patients appreciate the convenience that our St. Paul dental office provides and look forward to meeting you and your family.

Preventive Dental Care

The foundation of our dental practice is preventive dentistry. By identifying and treating any conditions we find in their earliest stages, you can enjoy better overall health. We use the latest diagnostic techniques to ensure that you can enjoy a happy, healthy smile for many years to come.

Restorative Dentistry

Most people will need a dental restoration ...

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Why Do I Need a Root Canal?

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 ...

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Store Bought Vs. Professional Teeth Whitening

Teeth Whitening in St Paul MN, Highgrove Dental Care

If you are considering whitening for your teeth, you are probably looking at all of your possible options and determining which one will be right for you. For teeth whitening in St. Paul, we recommend that you come in and speak with Dr. O’Neill about your type of staining and how best to achieve a bright, white smile.

Benefits of Professional Teeth Whitening 

Store bought teeth whitening products are some of the most affordable around. They work well for some people who have light stains, but ultimately do not achieve the dramatic results that are possible with professional teeth whitening. You may notice that you have inconsistent results, side effects, or ...

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How We Provide Great Dental Care for the Entire Family

Family Dentistry in St Paul MN, Highgrove Dental Care

We know that when searching for St. Paul family dentistry, you have many choices. At Highgrove Dental Care, we love taking care of families and we are honored you are considering us for your family’s dentistry! 

What We Do Here

We take our role in our St. Paul, MN community seriously. Your dental health plays a big factor in your overall health and can often exacerbate existing conditions. So staying healthy is important! We base our dental philosophy on prevention and early detection so that we can keep your smile looking and feeling great.

Preventive dentistry is the foundation of everything we do. By performing a comprehensive evaluation of your teeth, gums, ...

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Modern Improvements to the Teeth Whitening Industry

Teeth Whitening in St Paul MN, Highgrove Dental Care

It’s natural to want a beautiful, white smile. It can give you confidence in the way you look and help you truly express yourself. 

Tooth whitening has come a long way and the products we offer at our St. Paul dental office are no exception.

Professional Teeth Whitening

Whitening your teeth used to be a one-size-fits-all treatment. What dentists realized over time is that not every product works great for every patient. Tooth whitening products vary in strength and effectiveness. That is why it is essential to whiten your teeth under the supervision of an experienced dentist.

Dr. O’Neill will help determine the teeth whitening products that work best for you. For some ...

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Oral Care Misconceptions

Oral Care Misconceptions in St Paul MN, Highgrove Dental Care

When it comes to oral care there are numerous myths and rumors out there. Dr. O’Neill, a dentist in St. Paul, can help answer any questions you may have about navigating the often confusing world or dentistry.

Brushing Harder is Not Better

Contrary to what you may think, doing battle with your toothbrush is not necessary! Not only will it wear out your toothbrush quickly, but it can also cause damage to your delicate gum tissue. Use low force and brush with the tips of your bristles. If you find you are brushing hard out of habit, try holding your toothbrush with only two fingers and your thumb!

Fancy Products Are Necessary

You ...

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