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Posted by Doug H. on August 07, 2000 at 15:40:04:In Reply to: Re: chin lock? posted by Sam (Blue Bell PA) on August 07, 2000 at 13:41:50:
A FF mask places the mouth inside the seal, thus opening your mouth will not cause air to leak outside the seal. This "leakage" is what defeats CPAP effectiveness when the mouth is opened whole using a nasal mask.
- To be more precise. Don Bradley (seattle) 15:53 8/07/00 (1)
- Re: To be more precise. John Len 16:51 8/07/00 (0)
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