Kevin F Postol

Dr. Kevin Postol has been treating sleep apnea and TMJ disorder since he first started practicing dentistry. Now, with years of experience and leading a team of dedicated nurses, he focuses entirely on therapies and treatments that help his patients reclaim restful, refreshing sleep through TMJ pain relief and snoring and obstructive sleep apnea solutions. Dr. Postol is one of only five Diplomates of the American Academy of Dental Sleep Medicine (AADSM) in St. Louis credentialed to treat sleep apnea with oral appliance therapy. If you aren’t sleeping well or living with pain, we can help. Give us a call or schedule an appointment through our website. We look forward to helping you reclaim your sleep and relieving you of pain.

Demko Orthodontics is a fourth-generation family practice offering airway-focused orthodontics for children and adults across Missouri. Dr. Jacqueline Demko and her expert team combine the art and science of smile design with advanced airway diagnostics to improve breathing, sleep, and overall wellness. Our services include Invisalign® clear aligners, braces for kids and adults, dentofacial orthopedics, and oral appliance therapy, all delivered in a warm, patient-centered environment that reflects our core values of Positivity, Approachability, Nurturing, Trustworthiness, and Solution-Focused. Experience the Demko Difference, where legacy meets innovation — at our offices in Chesterfield, St. Charles, and Washington, MO.

Experience the Demko Difference at Demko Orthodontics. Dr. Jacqueline Demko, a fourth-generation dentist and second-generation orthodontist, transforms smiles with a focus on airway health and breathing function. We offer advanced treatments like Invisalign, clear braces, and expansion therapies using the Itero digital scanner. Serving Chesterfield, St. Charles, and Washington, MO, we combine four generations of dental expertise. Our flexible payment options make exceptional care accessible. Book your free consultation today and discover why Demko Orthodontics is the trusted choice for comprehensive care that prioritizes your wellness, not just your smile.