1 - Title Slide 2 - Disclosures 3 - Agenda 4 - History of CPAP masks 5 - CPAP mask sale trends 6 - Oronasal CPAP Overuse 7 - Common Oronasal Breathing 8 - Unreliable Breathing Route 9 - Oronasal CPAP Ineffective 10 - Adherence Chart 11 - CPAP Level Chart 12 - Residual AHI Chart 13 - Avoid Oronasal mask? 14 - Switching to nasal CPAP 15 - Oral Pressure 16 - Oral Pressure Graphs 17 - Nasal CPAP 18 - Nasal Breathing 19 - Breathing Route 20 - Successful Transition 21 - Excessive Nasal Leak 22 - Distinguishing Leaks 23 - Personalizing Mask Choice 24 - Conclusions 25 - Thank You 26 - Discussion