About a decade ago, Dave Singh, DDSc, PhD, DMD, discovered that midfacial surgery in teenagers increased the volume of... 14 Jul Beyond Oral Appliances – The Future of Sleep Medicine? Alan Hickey | American Sleep and Breathing Academy, ASBA, david singh, dental sleep medicine, sleep apnea | News | 0 About a decade ago, Dave Singh, DDSc, PhD, DMD, discovered that midfacial surgery in teenagers increased the volume of...