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


How Cosmetic Dentistry Can Improve Your Quality of Life

A man smiles in front of a yellow wall | Cosmetic dentist st paul

Covering up your smile with your hand, or feeling embarrassed when you see pictures of your smile on social media causes negative feelings, including low self-esteem. In today’s high-pressure world, it’s crucial that you feel confident, especially when meeting new people professionally or socially. 

At Highgrove Dental Care, we provide beautiful, natural-looking cosmetic dentistry options in our St. Paul dental office to help patients achieve their ideal smiles.

Teeth whitening – Our most common cosmetic dental option brightens the smile several shades and can take years off your appearance. We create custom whitening trays that hold the high-powered whitening gel in place.

Bonding – Repairing small chips and reshaping teeth with tooth-colored composite ...

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Locating The Right Dentist For Your Family

A family smiles in front of a wall | St. paul family dentist

Families are more health conscious than ever, so when you are searching for the best St. Paul, MN dentist, it’s vital that their practice has all the elements necessary to care for your family’s smiles comfortably and for many years to come.

At Highgrove Dental Care, Dr. Terry O’Neill’s approach to dentistry goes beyond what you will find in your average dental practice.

Pain-Free Dentistry

Because making every procedure comfortable for patients is a priority for Dr. O’Neill, he introduced an innovative method for anesthetizing patients that helps even those who have difficulty getting numb experience painless dentistry.

Because patients have varying pH levels, our onset buffering anesthetic system adjusts for each patient, making ...

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When's The Right Time for My Child's First Visit?

a woman and her child walk in a field | st. paul family dentistry

Having a child is an exciting time and can often be filled with medical appointments for check-ups and immunizations that are common in early childhood. It is easy to overlook your child’s necessary dental care, especially if you don’t realize that their first visit should occur by their first birthday, according to the American Academy of Pediatric Dentistry.

For a family dentist in St. Paul who loves treating children, contact Highgrove Dental Care today. We welcome patients of all ages.

Why Should My One-Year-Old Visit the Dentist?

Our early childhood dental visits are designed to provide parents with much-needed information about the growth and development of their child. Additionally, we discuss home care ...

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I'm Missing a Tooth. Is a Partial Denture Right for Me?

a partial denture sits on a white backdrop | st. paul dentures and partials

Missing a single tooth means that you have a number of options, including partial dentures, to replace your missing tooth in our St. Paul dental office. For a single tooth, however, you might opt for a fixed dental bridge or dental implant as a more convenient option. Here are some of the treatments available to complete your smile.

Partial denture – A partial denture attaches to your natural teeth with small adjustable clasps. Partial dentures have a base made of acrylic, flexible options, or metal bases for durable longevity.

Other Tooth Replacement Options

Dental bridge (fixed partial) – A dental bridge is a reliable and esthetic way to replace a missing tooth. Bridges ...

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Your Emergency Dental Visit: A Quick Walk-Through

An image of a tooth next to a first aid kit | St. Paul, MN emergency dentist

If you have a toothache or dental pain and it’s getting worse, it’s time to call Highgrove Dental Care to arrange an emergency dental appointment before your condition worsens. Dental emergencies can be particularly worrisome if you do not yet have a dentist in Saint Paul. Don’t worry. We are here to help.

Here is a quick walk-through of what to expect when you arrive for your emergency dental appointment.

We Will Discuss Your Symptoms 

Whether it’s on the phone or when you arrive, we will discuss your symptoms and when they started. These questions are not to judge you, but to gather vital information to help you feel better fast.

  • Where is the ...

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4 Ways to Increase the Longevity of Your New Veneers

a tooth brush and other dental tools sit in a glass | St. Paul MN veneers

If you are sporting your new smile after having veneers in our St. Paul dental office, you probably can’t stop admiring your new smile. Veneers can improve your smile and give your pearly whites celebrity status. They are also an investment and protecting them is likely on your list. Here are four ways to keep your veneers looking like new.

#1 Maintain Impeccable Home Hygiene

Brushing twice daily and flossing each day is not a just our suggestion, but a necessary habit to maintain healthy teeth and gums. While veneers themselves do not decay, the natural teeth acting as their foundation can, and decay puts veneers at risk.

Gum disease can lead to ...

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Dentures: 3 Steps to a New Smile

A couple smiles | St. Paul MN Dentures

Modern dentures are one of the aspects of dentistry that has progressed dramatically in recent decades – both in their function and their appearance. The process for getting dentures in our Saint Paul dental office occurs in three easy steps.

Step One – Evaluation and Planning

As with all dental procedures, we will start with a full evaluation. This gives us the “big picture” view of your oral health, bone structure and perhaps most importantly, you and Dr. O’Neill will have a chance to discuss your goals for your smile.

We will take x-rays to look at bone levels and impressions to help Dr. O’Neill plan for your dentures.

He will also go over ...

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