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


3 Common Causes of Mouth Ulcers

Mouth Ulcers | St Paul MN Dentist

Let’s face it; mouth ulcers can be a real pain. If you get them regularly, they can really decrease your enjoyment of food and make day-to-day talking and chewing painful.

While the ultimate cause of mouth ulcers is unknown, some conditions and behaviors can increase the likelihood that you will develop these painful lesions.

Acidic, Spicy, or Salty Foods

Sometimes foods can irritate the gums or the tissue inside your mouth and cheeks. Certain foods may be more likely to cause painful ulcers than others. Acidic foods or drinks, spicy foods, and overly salty foods can all take their toll on delicate tissues inside your mouth.

If you have ever developed a sore tongue ...

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Tips to Keep it Easy to Keep Up with Your Oral Health

Oral Health | Top Dentist St Paul MN

It’s easy to get behind on your oral health when life gets busy, stressful, or goes through a lot of change. Missing just a few professional dental cleanings can actually put you at risk for periodontal disease, something that over 50 percent of American adults suffer from.

It’s easier to stay on top of your oral health if you have a plan. Here are three ways you can keep up with your oral health without too many adjustments to your schedule.

Make it a Routine

Creating a home care routine that works for you is essential. Good home dental hygiene along with professional dental exams and cleanings can keep you out of trouble. ...

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Dental Care Is Health Care

Dental Care in St. Paul MN

Many patients would be shocked to learn all of the ways that our oral health and overall health are intertwined. The latest research identifies relationships between oral health and nearly every other system in the body – including the brain, heart, joints, weight, sleep, and the kidneys. 

Periodontal disease, which is an inflammatory infection, releases bacteria into the bloodstream when eating, brushing, flossing, and through daily activities. Once in the bloodstream, bacteria travel freely throughout the body.

A number of factors contribute to the development and progression of gum disease, the primary one being neglect. Conditions and medications that cause dry mouth, including age, can also negatively impact the delicate tissue surrounding ...

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3 Ways Modern Dentures Blow Dentures of the Past out of the Water

Dentures in St. Paul MN

Dentures no longer have to mean a life sentence of hiding your smile. Back in the days of our grandparents, it seemed like dentures were these bulky, embarrassing representations of teeth that you could pick out of a lineup as false. 

You will be happy to know that this is no longer the case. Dentures are not all about looks, but smiles are important because you use your smile to express yourself each day. It shows warmth, friendliness, and good nature – all things that can be assets in life. When we design dentures in our St. Paul dental office, we do so with a focus on both function ...

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Manage Stress to Improve Your Oral Health

Stress and Oral Health | Highgrove Dental Care

Everyone knows that a high-stress lifestyle can take a real toll on your health. Whether you have a too-busy schedule, a stressful job, or stress from studying for your exams, you have probably felt the effects of not taking care of yourself physically and emotionally.

Stress and Your Oral Health

When this occurs over a long period of time, serious health conditions can start to develop. Your gums are not exempt from the effects of stress. A study published in the journal Contemporary Clinical Dentistry highlights one possible dental outcome for patients who suffer from stress.

If unexpected oral conditions arise or you suddenly develop an oral condition that seems out of the ...

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How Far Back Do Fillings Go?

Dental Fillings | St. Paul Dentist

Many patients might believe that dentistry is a relatively new science. If you look back throughout history, however, you will see that dental problems plagued humans for thousands of years. While the methods of caring for teeth have improved, many of the old concepts were on the right track.

A recent discovery uncovered evidence of 13,000-year-old fillings in Italy. The dentist cleaned out the decay from two incisors and packed the cavities with hair and plant matter before filling each of the cavities with bitumen, a type of asphalt used in ancient times. By filling the cavities, the dentist achieved the goal of keeping food and bacteria out of the ...

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What Are We Looking for during Your Dental Cleaning?

Dental Cleanings St. Paul MN

Because dental cleanings give our hygienist quality time to work on your smile one tooth at a time, they can often identify changes with your oral health that may require treatment or additional attention for you to stay healthy. This is part of the reason why your regular dental exams and dental cleanings are so important.

Preventing dental conditions is the best way to protect your smile. With regular appointments, we can often detect and treat any problems before they progress.

Here are a few things that we look for during your dental cleanings:

Gum recession – The presence of gum recession can indicate a misaligned bite or gum disease. A periodontal ...

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