Bringing healthy smiles to the St. Louis community
Your comfort is our priority — affordable, expert dental care for all ages.
Complete Dental Care for All Ages
General
Cosmetic
Preventive
Welcome to Lake St. Louis Dentistry
69
Years Serving Families
5,000+
Smiles Made Brighter
Affordability
We accept most insurance plans and offer flexible financing, specials, and payment options for patients without coverage — because quality care should be within reach for everyone.
Convenience
From evening hours to family-friendly scheduling, we make it easy to care for your entire household — all in one welcoming office.
Comfort
We accept most insurance plans and offer flexible financing, specials, and payment options for patients without coverage — because quality care should be within reach for everyone.
Focus on Prevention
Preventive care is key. We help protect your smile with regular cleanings, fluoride, exams, and early treatments — so you can avoid bigger problems later on.
Why Families Trust Lake St. Louis Dentistry
At Lake St Louis Dentistry, we believe great dental care goes beyond cleanings and checkups — it’s about building trust, comfort, and lifelong relationships with the families we serve.
New Patient Forms
Made Easy
To help us prepare for your visit, we ask that all new patient forms be completed at least 24 hours before your first appointment. You’ll receive an email with a secure link to your personal patient portal, where you can easily fill out your forms online.
Prefer paper? You can also download and complete the forms by hand:
Form for Adult
Form for Child
Generations of Care. One Commitment to You.
At Florissant Dental Services, dentistry runs in the family — and so does compassion. Since 1956, our family-owned practice has proudly served the Florissant and St. Louis communities with a focus on trust, comfort, and lasting relationships.
Dr. Sean Landgraf, DDS
Loves restoring smiles — and things — with care, precision, and a passion for helping others.
Dr. John Landgraf
Bringing decades of expertise, passion, and advanced care to every smile he treats.
Dr. Darren Ng
Passionate about personalized care, exploring St. Louis, and helping patients feel at ease.
Dr. Sean Landgraf, DDS
Dedicated to gentle, lifelong dental care — and loves gardening, travel, and her dachshunds.
Conveniently Located Right Off of Lake St. Louis Blvd.
Lake St. Louis Dentistry is proud to serve the Lake St. Louis community and surrounding communities.
28 Hawk Ridge Circle
Lake St Louis MO 63367
Not Located in Lake St. Louis?
STL Mid County is located on Lindbergh Rd between Page and Olive
1305 Lindbergh Plaza Center, Creve Coeur, MO 63132
Florissant Dental Services is located on New Florissant Rd near Old Town Donuts
504 N New Florissant Rd, Florissant, MO 63031
Testimonials From Our Patients
We’re proud to have earned the trust from generations of families. Here’s what our patients have to say about us.
Very personable and friendly staff. They answered questions I didn’t know I had and I left feeling more confident in the health care system
A Smit
First visit to this Dental Office and the overall experience was really good. Everyone was upbeat and friendly, I had a small delay in them verifying my insurance besides that the visit was really good!
Earnest Robinson
Staff has always been nice and patient, even when my daughter is feeling very anxious. Dentist was very nice also
Kim Fisher
My wife has survived a brain injury years ago. She had to get a bad tooth. This office (which I use ) did way above any before. The dentist and assistant were fabulous with her. I’ll call it bedside manner. FABULOUS! They both applied great communication with Julie. Step by step about what was going on, comforting her throughout the process. Allowing no surprises in order to keep her comfortable. I have never seen this degree of caring at a dentist office till now. They treated Julie as one of their own. It’s rare these days to find people that apply this degree of care. Everything went well and support for follow up was just as diligently applied. I will be returning for both of our dental needs as a permanent patient. Staff was also very kind and assisted our every need. Tops to the entire office!
Jim Floyd
The appointment went by fast and efficiently. I appreciate that they do follow up calls to make sure you are doing well after your procedures. They have a very kind staff.
Dara Starr
Love coming here for my dental needs. They are extremely friendly and efficientwith mine and thier time. Highly recommend. They see my entire family.
Heather Bockhorst
One of the greatest dentist experiences I have ever had! They were accepting new patients as I was looking for a new dentist. The experience starting with calling them to schedule the appointment, getting a general checkup / cleaning and scheduling cavity removal and fillings the next day was great. They provided services that I have never had at any dentist and used equipment that provided great insight to my oral health. Getting the cavities removed and fillings done was one of the best I have ever had. All the staff was great! I will be making them my preferred dentist!
Garrison Brown
Trusting them with my dental needs was the best move for me and my hubs in 2024! Dental visits make me anxious. They’re very efficient and thorough. Recently had fill ins and panicked silently the up until the procedure began. Totally gave me peace of mind! Prices are also reasonable compared to most and service is top tier!
Selina A.
So far I’ve had a very good experience with them. They’re very kind. With my metlife insurance I’m paying 150 for 2 cavities
Francesco Cappai
I tell everyone I can to go here. I’ve never been more satisfied with a dentist’s office. The staff are friendly and competent, the dentists are all very nice, and the hygienists are all super knowledgeable and work quickly.
Sabrina Travis
Great place, great staff, my first time going and they really helped me understand what my options were. I feel comfortable continuing to visit with them.
Kristin Jones
this is by far the best dentist i’ve been to. the entire staff is very friendly and welcoming, and the dental care is top notch.
EandC Ross
Great experience! Comfortable and friendly office and services, doctor and hygienist explained exactly what was right and wrong about my teeth and helped set up future appointments to tackle issues
Atharv Kulkarni
Wonderful staff. They were very welcoming and Alyssa was very informative and thorough during my cleaning. Always a good experience here! Thanks!
Jeremy Sutton
Happy, friendly staff- got me in super quick. I wouldn’t recommend waiting until you have a toothache to find a dentist, but I feel lucky to have found them.
angie stopp
Clean and comfortable facility. Cordial staff. Competent, caring technicians and dentists. Very happy to have found a new dental facility with an awesome staff that understands my needs and is willing to to do everything they can to make me comfortable.