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.

Published Professional Papers

Case report: Utilization of the Thornton Adjustable Positioner in maintaining the airway for a child with obstructive apnea, micrognathia, and cerebral palsy. [Case Reports, Journal Article] Tex Dent J 1998 Oct; 115(10):21-2.


Case Report: A Case Study Involving the Combination Treatment of an Oral Appliance and Auto-Titrating C-PAP Unit. Sleep and Breathing, volume 6, number 3, 2002.


“A Case Study Using Hybrid Therapy to Treat a Patient with Obstructive and Central Sleep Apnea”. In cooperation with Gregg Essick, DDS, PhD Professor, Department of Prosthodontics and Center for Neurosensory Disorders, University of North Carolina School of Dentistry. June 2012, Sleep Review, Journal for Sleep Specialists


"Obstructive Sleep Apnea, The Dentist and Two Case Reports" [(Feature Journal Article] Tex Dent J 1997 Feb; 114(2):19-20.


"Treatment of 2 Severe Obstructive Sleep Apnea Cases with T.A.P. Dental Appliance" Sleep Disorders Dental Society Report 1996 Sept.


“Dental Clinicians’ Observations of Combination Therapy in PAP-Intolerant Patients”, Sleep Review, March 2015, In cooperation with Anne E. Sanders, MS, PhD, MS; John White, DDS, DABDSM; Ronald S. Prehn, DDS, DABDSM; Robert R. Rogers III, DMD, DABDSM; Thomas Pardue, BA; Max Schweizer, BS; and Greg K. Essick, DDS, PhD


“A Restorative Technique for the Severe Partial Edentulous and Fully Edentulous CPAP Resistant Patient.” Journal of Dental Sleep Medicine. 2017;4 (1):11–13.

Austin Apnea and Snoring Therapy can use oral appliances as an alternative to CPAP. Oral appliances have been registered by the FDA and may be used to treat sleep apnea when administered by a qualified dentist trained in Dental Sleep Therapy.


Advanced Dental Sleep Business Seminar

Dr. Denbar is teaching an advanced billing and clinical seminar in Dental Sleep Medicine. This Dental Sleep Continuing Education (CE) Seminar focuses on medical insurance reimbursement, business principles and the clinical aspects of this field. This course picks up where most clinical courses end and guides you through the practical business aspect of dental sleep medicine while illuminating the medical-legal implications.

Learn more about this seminar