• Dentist St. Paul MN
  • Dental Office St. Paul MN
  • Experienced St. Paul MN Dentist
  • General Dentistry 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


Have a Dead Tooth? Here's What That Means

st paul dentist
“Dead tooth” is a term that might strike fear in your mind and it can be a pretty serious situation. Fortunately, a dead tooth does not necessarily mean you will need an extraction. Today, we have many more options to save a diseased or dead tooth.A dead tooth is a tooth in which the nerve is dead or dying. The nerve gives your tooth life and in the process of infection can make it feel quite painful. In some cases, the nerve may die without the signature pain of an infection. Infection causes inflammation, which creates pressure; this is what causes pain, especially when near the tender nerve from a ...

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The Latest Research on the Cause of Cavities in Kids

Children's Dentistry St. Paul, MN
Most parents will agree that the sight that warms their hearts above all others is their child’s smile. Dentistry researchers are hard at work to protect the smiles of children by determining how dental caries (decay) develops and what we can do to restrict cavities. It goes beyond the presence of sugar, though sweets are certainly a factor in developing cavities. Bacteria feed on sugar, which makes the mouth environment acidic, softening enamel.Recent Research on Childhood CariesThis study finds that both bacteria and yeast are players when it comes to caries. Yeast also feeds on sugar, so a sweet tooth can create a double-hit when it comes to a healthy ...

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Study Finds Evidence for an Association between Gum Disease and Obesity

gum disease treatment st paul
If you pay attention to the news lately, you have probably heard a number of reports about the serious systemic risks of having periodontal disease. Research links more and more conditions with chronic inflammation of the gums.More information is needed to determine the cause and effect relationship between periodontal disease and overall health, but one thing we know for sure is that the health of your mouth plays a significant role in overall wellness from more than just a dental standpoint.Periodontal Disease and ObesityA recent study finds an association between gum disease and obesity as well as a link to insulin resistance. Overall, the study determines that obese patients ...

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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 FoodsSometimes 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 RoutineCreating 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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