Best Dentist Columbia | Ow! Your Guide to Canker Sores

General Dentistry, Orthodontics & Children's Dentistry in Columbia, MO 

A canker sore can make eating, drinking, and talking difficult and even painful. Maintaining your oral health by brushing and flossing may also be difficult with a sore in your mouth but keeping up with your daily oral hygiene routine is an important step in the healing process. We’ve put together a short guide to everything you need to know about canker sores.

What do they look like?

Canker sores are usually small, round reddish sores. You’ll find them on the soft tissues of your mouth, such as your tongue, the sides of your mouth, and at the base of your gums. Occasionally, a sore might have a yellow or white colored center.

What causes them?

Among the most common causes of canker sores are injuries. This can happen from biting your lip or cheek, an injury from sports, or even vigorous brushing. Certain people are sensitive to toothpastes containing sodium lauryl sulfate, leading to sores. Foods may also cause canker sores in certain people. Chocolate, eggs, nuts, and spicy foods have been known to cause the sores. At times, a diet that is deficient in vitamin B-12 or zinc is the culprit.

What can I do?

Your best defense is to keep your mouth healthy. This means keeping up with your twice-daily brushing and daily flossing. With a mouth sore, it may be tempting to avoid the area when brushing your teeth. This can lead to a buildup of plaque and bacteria. Aid the healing process by keeping your mouth clean and healthy. You may also try a mouthwash formulated for mouth sores. When in doubt, or if pain persists, talk to our dentist in Columbia.

Brush thoroughly but gently around sores. Most canker sores heal within a week. If you find you are regularly getting sores, or they are taking longer than one week to heal, schedule a visit to Plaza Dental Group. We will assess your oral health and provide you with our expert advice.

For more information about oral health or to schedule your next visit, please contact Plaza Dental Group. We look forward to seeing you.

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Zhenwei Song
11 September 2026
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I have been a patient of Dr. Richard Deppe for the past several years, and he has taken great care of my teeth. I really appreciate that there is no over-treatment, everything is explained clearly, and the price is very reasonable. Any problems I have had always fixed properly. I love this dental group, it is truly a life-improving place!
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Ursula Penrod
11 September 2026
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The staff is very nice and helpful
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Paula Hoornaert
11 September 2026
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Such a pleasant group of people
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Jillian Davis
10 September 2026
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Best dentist office ever!!!! Dr Fossatti did my fillings yesterday and it went probably as well as fillings could go. Marcelo, a hygienist, and Debbie are also wonderful. They are also always on time, which is really hard to find in a doctor's office!!! Will always recommend this office.
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Judith Henley
10 September 2026
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Absolutely love this dental office & staff! Professionalism personified! They truly can’t improve upon perfection!
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5 September 2026
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Good Experience, Overall Quality Dentist office.
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M Higgins
5 September 2026
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Plaza Dental is the best! I’m always happy and extremely satisfied with their dental cleaning, procedures, professionalism, and kindness!
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Darcey Walker
4 September 2026
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A great group of people…. From the receptionists, to my dental hygienist, along with my dentist…..Highly recommend them!
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Alicia bishop
3 September 2026
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Very nice people and the dentist does a great job! Very happy with what I’ve had done so far!
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Scott Overy
2 September 2026
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Ive had the best experience with plaza dental that a person could ask for. Everyone that i have dealt with has been very professional, curtious & caring . Im glad my daughter referred me to them !!!!
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2 September 2026
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Exceptional staffing service. Highly recommend!
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2 September 2026
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Very friendly staff and good vibes all around
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1 September 2026
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Great Dentist Office Friendly Staff 😊.
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Glenda Acton
1 September 2026
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Debbie was very helpful and considerate of my situation. Shout out to Heather for her exceptional button handling!!
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1 September 2026
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Always awesome!