About our office

O'Fallon Dentist. World Class Smiles! When you visit our office in O'Fallon, your smile is our top priority. Our entire team is dedicated to providing you with the personalized, gentle care that you deserve. We are proud to offer the latest in Traditional and Cosmetic Dentistry while always ensuring a relaxing atmosphere. We stay at the cutting edge of technology while always maintaining our patient's comfort. Our patients routinely comment on how comfortable they were during their procedur...Read More

Meet our team

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Lakeside Dental Team General Family Dentist Read Bio

At Lakeside Dental, we provide a welcoming environment for our O'Fallon, MO patients. Dr. Poettker and her staff promote dental care rather than disease care. In other words, we offer the dental care and instruction you need to prevent disease and complications.

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Dr. Sherri Poettker Dentist Read Bio

I consider myself extremely lucky to practice dentistry! There are so many aspects of my dental career that make it wonderful including making a positive impact on my patient’s lives.

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Vanessa Office Manager Read Bio

Vanessa loves interacting and building relationships with our wonderful patients! She has been in the dental field since 2006 and with Lakeside Dental since 2010. She and her husband live in Troy, MO where they have four children and three grandsons. Before Vanessa entered the dental field, she was in customer relations for 16 years which is where her passion for helping people and building long lasting rapport started. She encourages an open door policy to everyone including patients and famil...Read More

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Rachel Dental Hygienist Read Bio

Rachel has been has been a dental hygienist since 2007 and joined our team in 2016. She enjoys spending time with family and friends especially her husband and two boys. Rachel is a native of St. Charles and enjoys giving back to her community by education and aiding in oral health care.

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Stephanie Dental Assistant Read Bio

Stephanie was born and raised in St. Louis, MO. She graduated from Missouri College with her Dental Assisting Certificate. She continued her education obtaining her license in Expanded Function Dental Auxiliary, which allows her to assist Dr. Poettker in an array of advanced procedures. She believes dental office’s should not be a place of fear and strives to be as helpful as possible by going above and beyond for patients and their needs. When she isn’t at work, she can be found spending time w...Read More

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Alicia Dental Assistant Read Bio

Alicia is a Pennsylvania native, but has moved and lived in many areas due to her father being in the United States Army. She has been in the dental field for seven years. Alicia strives to make her patients feel comfortable and at ease during their visit. In her free time she loves spending time with her children, movies, and shopping.

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Terri Dental Hygienist Read Bio

Terri has been practicing dental hygiene for 26 years. She graduated from University of Arkansas Medical Sciences. Terri enjoys spending time with her husband and their four daughters. She also enjoys traveling, reading, and just sitting on the couch watching a good series on Netflix.

Patient Satisfaction

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Services we provide

At Lakeside Dental we strive to provide our patients with the best and most complete dental care. Our doctors and staff frequently attend continuing education seminars to learn the latest dental techniques. Here are some of the services we provide, please click here.

Payment Forms

We offer a number of convenient payment options for our patients which make it easy to afford any care you may need.

Languages Spoken

  • English