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WHERE ART AND SCIENCE INTERSECT

TO CREATE BEAUTIFUL SMILES

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DEMKO ORTHODONTICS

ORTHODONTISTS IN CHESTERFIELD, ST. CHARLES, & WASHINGTON, MO

As a 4th generation family practice, the Demkos have been specializing in youth and adult smiles for decades.

Dr. Jacqueline Demko's father practiced as an orthodontist, and taught practice management at SLU. Having him as a mentor helps her deliver amazing orthodontic results and run a successful practice. Her maternal grandfather and great-grandfather were both dentists in St. Louis, in the early 1900s. Her family on her mother’s side are extremely artistic and have had long careers in the arts. Dr. Demko's family legacy of artistry and passion for dentistry is the cornerstone of her unique orthodontic practice.

As both an entrepreneur and an orthodontist, Dr. Demko specializes in quality orthodontics and dentofacial orthopedics for both children and adults. Her unique background has kept her constantly on the frontier of new innovations. She is dedicated to dentofacial asthetics, and stays abreast of the latest trends, cutting-edge technologies, and superior products to provide the best service possible to her patients.

WE SPECIALIZE IN CUSTOMER SERVICE

We care for our patients with the same dedication we’d expect from our own doctors, and our staff is upfront and informative. Before you leave, you’ll understand all of your options — so you can make the best choice for you or your child.

At Demko Orthodontics, we go beyond exceptional service to offer truly Comprehensive Orthodontic Care. Our treatment plans are customized for your best outcome, considering your unique needs and goals. We provide the highest standard of orthodontic care, offering both traditional braces and Invisalign aligners to help you achieve a beautiful, healthy smile.

From your first consultation, we ensure a clear, transparent process. Schedule your free consultation to explore your best treatment options and discover how our expertise can enhance your smile and overall health.

With locations serving Chesterfield, St. Charles, Washington, and St. Louis, MO, we proudly offer State-of-the-Art Orthodontic Treatment designed to meet your individual needs.

Explore our comprehensive Invisalign & Braces options, where we compare various treatment options to help you find the best fit. We’re here to help you achieve the beautiful smile you deserve — with care and expertise you can trust.

POSITIVITY

POSITIVITY

Our team exudes positivity and putting a smile on every patient face.

APPROACHABILITY

APPROACHABILITY

We can approach each other and ask each other questions and express concerns.

NURTURING

NURTURING

Everyone has a hard time sometimes. We nurture through education, support and moving forward.

TRUSTWORTHY

TRUSTWORTHY

We are accountable – we say what we mean and we do what we say, and if we don’t we make up for it.

SOLUTION FOCUSED

SOLUTION FOCUSED

We’re not going to focus on the problem for long. We find the best way to address your unique concern, and take steps to correct it.

Testimonials

Reviews from our satisfied patients!

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Everyone was extremely upbeat and knowledgeable. Five stars to the entire staff. If you want to receive the best orthodontic care ever…this is the place. I am 65 years old and I was treated like a young princess. My daughter and my grandsons also love the staff here. Results are amazing! Fabulous!
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Joannie Patton
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Demko Orthodontics is the best. I had TMJ and they fixed it, as well as, improved my smile. Life changing!
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ALICIA LEWIS-SMITH
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Love Dr Demko and her staff! Highly recommend her office! ❤️
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Amber Brown
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Dr. Demko and her team have been NOTHING short of spectacular throughout the course of my treatment. Dr. Demko put in the extra work and time to make my smile PERFECT. My top teeth had an inward tilt. She worked on tilting them out to create a more open, bigger, and absolutely BEAUTIFUL smile! Let's just say, her and the staff at Demko nailed it!!! I can see the difference in my smile everytime in look in mirror! Thank you to everyone at Demko! You're the BEST!
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Emily Ostby
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Dr. Demko and her colleagues have looked after my mom, me, and my daughter. Her attention to detail and ability to explain options always make us comfortable and assured. She also will not “upsell” you on things that you don’t need in order to artificially continue treatment. She and her staff seem to genuinely care about and enjoy what they do.
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V Bertenshaw
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I had a great experience with Demco. Every appointment was very smooth. Everyone was always so helpful making everything convenient and they were very kind. They were always willing to listen to a question and help me out. My teeth look great, and love my smile!
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Stella Garrison
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What an amazing experience!!! I brought my two sons in (14 and 10) for a consultation and immediately felt welcomed and cared for!! I felt the dr and staff were honest and friendly! The recommendations were reasonable and fair!! Although we are a military family and will be moving within the next 18 months; I am confident in moving forward with Dr. Demko even if that means remotely!!
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Kristan Hart
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Dr. Demko’s team is fantastic and very helpful! Everyone is very knowledgeable and so kind
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Samantha Klump
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The DO team are extraordinary! Truly the best around with their patient care and attention to detail!!!!!
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Joe Demko
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I loveeee demko orthodontics! They are very nice and my teeth are perfect. Also the office is so cute and clean. I would definitely recommend friends or family here. Thank you so much for my smile :)
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Samiyah White
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Been coming here for almost 2 years now and I’m still just as happy each time I come in 😊👍
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LeAlta Plunkett
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I am finally not ashamed of my smile, the opposite actually. I love it. The people who work here are always pleasant and it's been a very nice experience for me. I definitely recommend Demko Orthodontics!
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Verka Ungerleider
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Great experience!
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Regina M Barron Barron
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Loved them, very sweet and informative from everyone.
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Cynthia Harvey
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After first getting my invisalign, I wore it really well for a few months and then i stopped wearing them altogether. They called me to make an appointment about getting my new trays and i was so far behind that i was terrified. I had so much fear that they were going to jump down my throat about it and I was scared that I would be in trouble with them. After not seeing me for a year and a half and calling me countless times to get an appointment, they sent me a letter saying that they were cutting me off as a patient and I felt like I had wasted so much money and was heartbroken and disapp...
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Skylar Ruiz
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I had a great experience across the board throughout my Invisalign treatment. The staff was always very kind and made everything easy and convenient for me. They’re always willing to listen to any concerns or make related to scheduling or treatment work to your convenience. My smile looks better than ever and I couldn’t be happier with the result.
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Hayden Haggerty
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Immaculate office. Gabby at the front desk bent over backwards and answered our many questions - MANY! Dr. Demko heard our conversation and stopped to explain answers at length… and we weren’t even patients yet. We were out of town visitors with an orthodontic emergency. I cannot believe the kindness and compassion Gabby and Dr. D showed my entire family. Profoundly grateful and we will never forget their generosity with supplies as well as kindness with their care.
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Christy Mattey
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Great team, great care, great smile 😃
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Nancy Zoellner
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All the people are always nice and efficient and never have a bad time
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Dean Balog
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Great Orthodontist ! I love my smile so much. Gabby is very sweet and welcoming , she was very helpful in the process. Kylie was very nice and did a great job taking off my braces. Dr.Demko is very inspiring and very considerate. She offered to come in on a off day while i was in school to make my process go faster. Overall good orthodontist . Highly recommend !!
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Chloee Holland
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Found this wonderful office from a Google search. Boy, did I hit the jackpot. When my kiddos were growing up, I went to two different orthodontics offices. We completed the treatment we signed up for, but I wouldn't recommend either of those offices to anyone. I went in yesterday for a free consultation for adult Invisalign. From my first phone contact, I could tell I was dealing with people who love people and love their jobs. What a difference! Kae took about 2,383 different kinds of images of my teeth and mouth, and we actually had fun doing it! They made a really cool 3D image of my cu...
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Sheri Bickmeyer
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Lots of detail in my Invisalign care with refinements for myself and Dr Demko to feel confident with my future smile😀
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Patty Weber
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Dr. Demko and her team are very passionate and professional about what they do, and we appreciate their commitment to helping us get the results we are looking for. They are also really flexible.
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Tanner Henley
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As a former patient, they welcome you back with open arms and still continue to provide the best care!
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Kourtni Sucher
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Results better than I ever imagined! I came in for Invisalign at the age of 62 because my teeth were getting progressively more crowded – to the point I didn't want to smile. Dr. Demko said she treats a lot of adults. Her treatment plan was so detailed – she went for perfection! The technology they have is amazing. I was able to see a virtual "after" photo before we even started. The treatment was so easy and pain free. The clinical staff is so nice and fun to be around – especially Debbie! These people really care about you. Yesterday, before I came in for my last treatment, a random stran...
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Renee Kennison
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We’re very happy with the services overall. Everyone is very professional and friendly. The place is clean and well organized! Thank you for giving my daughter a beautiful smile again!!
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Azra Tiedt
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Have been going here for quite sometime and wanted to post this review and apologize to Demko. I over reacted on a situation and made a review I shouldn't have not realizing the entire situation. Dr. herself responded and emailed me explaining what I had misunderstood. Very nice of her. My son has received excellent care and has basically chosen not to do what he needs to making it take quite a bit longer than planned. I recommend Demko because she cares!!
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Stacy Martin
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I love the staff and the service. They are super friendly and always greet you with a smile and they seem to remember faces very well lol. I am currently still getting treatment, and so far things are looking great. I would definitely recommend them for your dental needs.
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Jacquelyn W
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Amazing staff and customer service
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Strongman Corporation
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Everyone at Demko Orthodontics is fantastic! I love my Invisalign’s. The staff is extremely professional and kind. I highly recommend them!!
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Jane Howard
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Everyone is so professional while at the same time very accommodating. Such a pleasant atmosphere and such great results!
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Delaine Bryant
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The staff and Dr. Demko are always friendly, informative and helpful. We left our very first visit with multiple treatment plans, cost and payment options. We weren't able to get even one treatment plan out of the other orthodontist we had been seeing ove the course of 4 years. We were so thankful to find someone knowledgeable who understands that the sky isn't always the limit when it comes to cost. Our son's smile is looking fantastic! Our family highly recommends Demko Orthodontics.
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Beth Roetheli
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Great place to go I highly recommend it! The staff is amazingly friendly and are willing to answer any questions you have. My dentist even said that he is going to have to message Demko to let them know what a great job they did on my teeth!!
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Gracie Bogle
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Super friendly staff. Made us feel very comfortable and allowed us to ask questions about the process of care.
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Stephanie McSwain
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Demko in Washington is friendly, affordable, and efficient. They are always on time, greet us with a smile, and keep me updated on my daughter's progress. I have never had to reschedule an appointment and we have to drive from an hour away. I appreciate this so much! They value my time and I value theirs! Highly recommend!
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Christina Cornick
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Extremely kind, and always willing to help me out in anyway. I’m super satisfied with the way my teeth came out. Dr. Demco really went above and beyond to make sure everything was perfect before removing my braces. The staff treated me like their own family members.
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Brooke Durbin
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Nothing but an exceptional experience! My teeth weren’t that bad to start with; a little compact due to my wisdom teeth, before they were taken out. Dr. Demko and her staff made sure they were perfect! It took a few revisions but… she made it right until I was satisfied with everything. They look amazing!!
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Ann Cleavelin
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Demko is the best!! My kids actually love coming! They are flexible with payments. The whole staff are very friendly and listen when we have questions or concerns. I don’t know how anyone could honestly give a bad review on this orthodontist! When I was a child I was terrified of my orthodontist my kids can’t wait till their next appointment 😊
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Mandy Hongisto
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We started our journey with Dr. Demko and crew well over a year ago. She was our second opinion. She offered a less invasive option for my son and has answered all questions regarding treatment very nicely. Her staff is very accommodating and takes time to touch base with you about options, appointments, etc and answer questions even if they are repeat questions. It’s worth the two hour drive which did start out as an hour and 15 minute drive until we moved.
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Kelly Theobald
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I just got my retainers today and I have to say, this place is amazing. The staff is very friendless and helpful with anything you need. Dr. Demko is absolutely wonderful. She’s super sweet. My teeth turned out amazing and I couldn’t be happier.
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Patricia Shipp
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Great experience with Dr. Demko and the Washington office. They were with me every step of the way. Highest level of professionalism and the end result a wonderful smile. Thank you Dr. Demko and and everyone at the office! I'm grateful to all of you.
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Joseph Yocom
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Dr. Demko is amazing! During my son's treatment she went above and beyond on so many levels. She cares and it shows. The entire office makes you feel comfortable and they answer questions you may have so you can understand exactly what is going on. I definitely give Demko 5 stars for sure!!
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Amanda Esslinger
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Professional and personal. Dr. Demko is thorough and patient, treating patients of all ages with respect. She and her staff are polite and extremely knowledgeable, taking the time to answer questions and educate patients and family members. I appreciate her candor and the passion she has for her field of medicine. We actually had a consultation with an orthodontist recommended by our dentist, however we found him and his staff to be arrogant, insincere and pushy. Dr. Demko is genuine and sincere, confident but humble. We have retained Dr. Demko as a healthcare provider for approximately 10...
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AKP
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Always a pleasure… Kind of a strange thing to say about an orthodontist, right? Dr. Demko and her staff are always very pleasant very efficient. Their level of expertise is impressive. I would highly recommend them to both reluctant children, teens and adults. They are very accommodating to all ages.
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Delaine Bryant
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Very nice and helpful staff. I went to Dr Demko when I was young and knew that it would be great for my children. I just love that my kids can have the same experience I did with braces, that it's not awful with a great team.
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Stacy Obie
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3 CONVENIENT LOCATIONS

Use the information below to contact our offices.

Chesterfield
Chesterfield
Hours of Operation
Monday-Thursday
9:00 AM - 5:00 PM
Friday
9:00 AM - 3:00 PM
Saturday-Sunday
closed
St Charles
St Charles
Hours of Operation
Monday-Thursday
9:00 AM - 5:00 PM
Friday
9:00 AM - 3:00 PM
Saturday-Sunday
closed
Washington
Washington
Hours of Operation
Monday-Thursday
9:00 AM - 5:00 PM
Friday
9:00 AM - 3:00 PM
Saturday-Sunday
closed
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