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

Make an appointment today to learn more about our
new patient specials and consultations!

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.

GET TO KNOW OUR TEAM

"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

Blog

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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Should You Take Your Child to a Pediatric Dentist?

Pediatric Dentistry in St Paul Highgrove Dental Care

As a parent, we understand you want the best medical and dental care for your child. Parents often have a number of questions about the best place to take their kids for dental treatment. For families, it can be a challenge to drive every member of the family from one dentist to another to have their necessary dental appointments. At Highgrove Dental Care, we welcome patients of all ages – including your youngest family members.

Family Dentistry

We offer quality family dentistry in St. Paul, MN and work well with patients of all ages. If you are debating about whether to take your child to a pediatric dentist, here are some ...

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Benefits of Porcelain Veneers over Orthodontics

Porcelain Veneers or Braces in St Paul MN, Highgrove Dental Care


If you are unhappy with your smile, Highgrove Dental Care can help! We provide beautiful cosmetic dentistry in St. Paul, MN. From small changes to the color of your teeth to full smile makeovers, Dr. O’Neill creates smiles that give you confidence and comfort!

Orthodontics Vs. Porcelain Veneers

One of the biggest complaints we hear from patients about their smiles is that they are crooked. Misalignment can make you feel self-conscious, make chewing and speaking difficult, and add obstacles when it comes to keeping your teeth clean.

Our adult patients are often hesitant to address alignment issues because they feel orthodontic treatment may not fit well into their lifestyles. We understand! ...

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