Interesting question. F&P says the pressure needs through the mouth are the same as through the nose. But that is certainly open to debate. On the other hand, the pressure requirement for an oral mask and a nasal mask should be close enough for your doctor to adjust based on your clinical response w...

First you: It is not uncommon to take awhile getting used to the cpap. Some people love it from day one and some take weeks to months to get used to it. I even had one guy who tried diligently for a year before he was able to sleep well with it. (He had had several strokes so was highly motivated.) ...