Dr. Denbar has used Oral Appliance Therapy to treat sleep disordered breathing for 24 years in the Austin area. He has treated thousands of cases, ranging from the simplest to the most difficult. Dr. Denbar is a credentialed, in-network medical provider for most major medical insurance companies. These insurance carriers include Aetna, Humana, United Healthcare, Cigna, Seton Healthcare and Scott & White Healthcare. Dr. Denbar is also a Medicare and Tricare provider. Our office provides the most extensive medical insurance coverage for this therapy in Central Texas.

Speaking Engagements

1. Austin Community College School of Dental Hygiene, "The RDH - A Member of the Sleep Disorders Treatment Team". November 2010.


2. Austin Heart, August 2011 "Oral Appliance Therapy for the Treatment of Sleep Disordered Breathing"


3. Central Texas Dental Society Meeting November 2011: "Dental Sleep Medicine, From the Basics to how it Impacts Your Practice"


4. Texas Society of Sleep Professionals State Meeting November 2011: "Oral Appliance Therapy for the Treatment of Sleep Disordered Breathing".


5. Texas State University graduate Polysomnography program annual guest lecturer April 2012, 2013, 2014. Oral Appliance Therapy lecture and instruction.


6. University of Texas School of Dentistry, Houston, February 3, 2012,"Dental Sleep Medicine: An Overview, Treatment Protocol, Complications and Case Presentations".


7. Texas Sleep Conference, 6th Annual Seminar Presented by the Texas Society for Respiratory Care, May 2012, " Non PAP Devices, Is There a Place for Them".


8. University of Alabama School of Dentistry, August 24, 2012, "Dental Sleep Medicine: An Overview, Treatment Protocol, Complications and Case Presentations"


9. Texas Nurse Practitioners’ 24th Annual Conference, September 6 – 9, 2012, “Apnea Therapy Using Oral Appliances, Is There a Place for Them?"


10. University of Tennessee Health Science Center, College of Dentistry, October 19, 2012 “Dental Sleep Medicine: An Overview, Treatment Protocol, Complications and Case Presentations"


11. University of Texas at Austin, School of Nursing, November 6 &19, 2012, "Sleep Apnea Treatment using Oral Appliance Therapy, Is There a Place for Them" (Guest lecturer to Nurse Practitioner students and faculty.)


12. Central Texas Physicians Assistants Society, December 11, 2012, “Non- PAP Devices, Is There a Place for Them".


13. "The Clinical and Billing Aspect of Dental Sleep Medicine, Emphasis on the Thornton Adjustable Positioner", A private, proprietary seminar given in my office for doctors from around the nation. 2011 - Present.


14. University of Mississippi School of Dentistry, April 5, 2013, "Dental Sleep Medicine: An Overview, Treatment Protocol, Complications and Case Presentations"


15. Grand Rounds St. David's Hospital Austin, Texas, May 14, 2013, “Non-PAP Devices, Is There a Place for Them"


16. American Academy of Dental Sleep Medicine National Convention, May 31, 2013, "Oral Appliance Therapy with Positive Airway Pressure, Managing the Previously Unmanageable Patient".


17. Texas Nurse Practitioners’ 25th Annual Conference, “Sleep Apnea Therapy using Oral Appliances, Is There a Place for Them?” Sept. 26, 2013


18. University of Missouri School of Dentistry, November 16, 2013, "Dental Sleep Medicine: An Overview, Treatment Protocol, Complications and Case Presentations"


19. Southern Sleep Society, April 4-6 Memphis, Tn., 2014, "Controversies using Oral Appliance Therapy for the Dentist and Physician treating Sleep Apnea"


20. Academy of Dental Sleep Medicine National Convention, May 29, 2014, "The Difficult Case: What is It, Understanding It and Case Presentations".


21. International Academy of Oral Medicine and Toxicology National Meeting, September 12, 2014, "Sleep Disordered Breathing, & Oral Appliances What Should We Evaluate, Consider and be Knowledgeable About to be an Effective Clinician".


22. Texas Society of Sleep Professionals, Sept. 20, 2014, "Oral Appliance Therapy-2014 What is It & What's New"


23. Texas Society of Nurse Practitioners State Convention, Sept. 6, 2014, "Oral Appliance Therapy-2014 What is It & What's New"


24. Victoria Jr. College, August 8, 2014, "Sleep Disordered Breathing & Oral Appliances What Should We Evaluate, Consider and be Knowledgeable About to be an Effective Clinician"


25. Austin District Dental Hygiene Society, October 18, 2014 "Sleep Disordered Breathing, & Oral Appliances, What Should We Evaluate, Consider and be Knowledgeable About to be an Effective Clinician".


26. Texas State University School of Nursing, Guest lecturer, Nov. 2014, April 2015, "Myofunctional Therapy"


27. The Texas Nurse Practitioners’ 27th Annual Conference, "Myofunctional Therapy, An Evidence Based Therapy for ADD/ADHD and More Without the Use of Medication" and "Sleep Apnea and Oral Appliances Therapy", Sept. 26, 2015


28. Down Syndrome Options National Convention "Myofunctional Therapy: A Non-invasive Method for Re-establishing Airway Muscle Tone”, Sept. 17, 2016


29. University of Texas Southwestern Medical School Sleep Fellowship Residency Program, “Oral Appliance Therapy: The Impact of Tongue Position, Breathing Patterns and Head Position on Treatment Outcome”, Sept. 1, 2016


30. Texas Society of Sleep Professionals, March 2019, “Combination Therapy and the Severe CPAP Resistant Patient”


31. Southern Sleep Association, March 2019, “Combination Therapy and the Severe CPAP Resistant Patient”


32. University of Minnesota Dept. of Athletics, Feb. 8, 2019, “High Performance Breathing Technology, The Missing link in Conditioning”

Austin Apnea & Snoring Therapy uses FDA registered dental oral appliances to treat mild, moderate and severe sleep apnea providing a more comfortable alternative to CPAP. Our office is an in-network provider for most major medical insurance companies.