Experienced Dentist in St. Louis

Sleep Apnea-Focused
Dentist in St. Louis

Alleviating Sleep Disorders
with High-Quality Oral Care & Appliances

Experienced St. Louis dentist James Lillenberg DDS offers specialized care for patients dealing with Obstructive Sleep Apnea Syndrome (OSA). Many Missouri residents who have tried using a Continuous Positive Airway Pressure device as a way to treat their disorder have since put their needs in our care for a more comfortable alternative. Our leading dentist found his passion and niche in correcting sleep-disorder breathing with state-of-the-art oral appliance therapy. He, along with our staff, have been privileged to witness lives changed as a result of our efforts.

Better sleep leads to a better quality of life. As a primary solution for improving our patients' snooze patterns, our oral appliances have restored productivity and increased levels of happiness in their lives. We offer free consultations to further assess your individual circumstances and discuss your options.

If your sleeping disorder has disrupted your overall well-being, we encourage you to get screened and tested to determine what needs to be done in order to restore your peace of mind. Take the first step by scheduling an appointment with Dr. Lillenberg. Call (314) 227-9141 or contact us online.


  • Qualified Dentist
  • Tufts School of Dental Medicine
  • Academy of General Dentistry
  • ADA

Regain Sound Sleep Through Effective & Quick Oral Appliance Therapy

Comfortable Treatment from a Skilled Dentist
  1. We have over 35 years of experience, with specialized training & experience in oral appliance therapy.
  2. We strive to offer gentle treatment & patient comfort along with the best care.
  3. Offering oral appliance therapy as an inexpensive, quick, comfortable & effective option.
  4. In-network provider with most insurance plans and Medicare.
  5. We are one of the few practices in the area specializing in sleep apnea.
  6. We serve the entire St. Louis area & are equipped to handle your dental needs comprehensively.
  7. Approved durable medical device provider with Medicare; all appliances are FDA cleared.
Schedule an Appointment with James Lillenberg DDS PC
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See An Improvement in
Your Sleeping Patterns

Our Dental Treatments & Procedures

Sleep apnea can be disruptive, uncomfortable, and could potentially harm your health. At James Lillenberg DDS PC, we want to provide you with a remedy that can allow you or your loved one to sleep easier and feel better. Dr. Lillenberg is accomplished in his training for dental sleep medicine and is now on the board of the Missouri Sleep Society.

With more than 35 years of dental care experience in his career, Dr. Lillenberg has committed himself to receiving training in the underserved area of dental sleep medicine to help address Obstructive Sleep Apnea and the related health issues that can include snoring, fatigue, heart disease, insomnia, and obesity. Call today to discover the right sleep apnea treatment for you!

What Previous Patients Think of Us

An Emphasis on Your Comfort
  • “Professional and Patient First Dentistry”

    Ben Hackett

  • “Jim and his staff are fantastic...you will see kindness, concern and great care. ”

    Martin Hassel

  • “Dr Lillenberg and his staff have been nothing but wonderful since I have been visiting them. ”

    L Marty

  • “Wonderful device & Dr. Lillenberg gets a 5 star review!”

    Jim Diedrich

  • “Great Service”

    D. Owens

  • “Outstanding!!”


James Lillenberg DDS PC

11428 Tesson Ferry Rd
St Louis, MO 63123

Phone: (314) 227-9141

Regular Hours
  • Monday 9:00am - 6:00pm
  • Tuesday 7:30am - 4:30pm
  • Wednesday 7:30am - 4:30pm
  • Thursday Closed -
  • Friday 7:30am - 1:00pm
  • Saturday-Sunday Closed
Service Area:

St Louis and surrounding areas.

Our Sleep Apnea & Dental Treatment Blog

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