Experienced Dentist in St. Louis
Caring & Skilled Dentistry Helping Those Suffering from Sleep Apnea

St. Louis Dentist Office

Uncompromising Excellence in General Dentistry

Whether it’s time for your bi-annual dental visit or you’ve been suffering from painful dental problems, allow James Lillenberg DDS to help you. With over 35 years of experience in general and restorative dentistry, our St. Louis dentist office offers patients high-quality services and procedures using only the most advanced technology in the field. As a trusted dentist in the local community, we are known for putting patient comfort first with our comprehensive, gentle treatments. The moment you walk into our office, you can expect our friendly staff to welcome you and make sure that you have everything you need. We can even assist you with the processing of your insurance and help you get the most out of your coverage.

To schedule an appointment, contact our office at (314) 227-9141.

Helping You Achieve a Lifetime of Good Oral Health

James Lillenberg DDS PC is a seasoned dental practice that is committed to helping you achieve a lifetime of beautiful smiles and good oral health. While our dental practice is focused on sleep apnea diagnosis and treatment, we also offer top-notch dental services for you and your family.

Get in touch with us for any of your dental needs including:

  • Oral examinations and X-rays
  • Cleanings
  • Fillings
  • Dental sealants
  • Extractions
  • Cosmetic dentistry

We also help patients with clenching and tooth grinding problems as well as those with temporomandibular joint or TMJ dysfunction and myofascial pain.

Call Our St. Louis Dentist Office to Schedule Your Visit

At James Lillenberg DDS, we understand that dental visits may be something that you do not look forward to, which is why we strive to make your experience as pleasant as possible. From the design aesthetics of our office to our friendly and knowledgeable staff to our comprehensive treatments, we always have your comfort and satisfaction in mind.

Contact us today at (314) 227-9141 to make an appointment with our St. Louis dentist.


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

Accomplished & Compassionate Dentist

Why Leave Your Sleep Dentistry Needs in Our Care?
  • Experienced Dentist

    For more than 35 years, Dr. Lillenberg has helped patients patients throughout the area.

  • Striving for Your Comfort

    With an emphasis on gentle care, we want to you to feel at home when you come to our office.

  • Flexible Payment Plan

    Dr. Lillenberg accepts most insurance plans and offers flexible financing options.

  • Unique Help for Sleep Apnea

    We are proud to be the only dentistry offering sleep dentistry services in St. Louis.