A full-face CPAP mask is any mask system that covers both the mouth and the nose to deliver air for the PAP treatment. It is generally used on patients with higher pressures that can’t be tolerated with a nasal mask. This mask system is also used on patients who do not want to wear a chin strap to help keep the mouth from coming open during the night to prevent loss of PAP pressure. Patients who are primarily mouth breathers can highly benefit from a full-face CPAP mask.

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ResMed has the Quattro and Quattro FX full face masks. Respironics has the Comfortgel and Amara. Fisher & Paykel has the FlexiFit 431 and 432.

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Hybrid masks are an alternative to the standard full face mask, and they combine a standard full face mask with a nasal-pillows type mask that seals inside the nostril. A cushion over the nose and nasal pillows inside the nostrils allows the mouth to come open during treatment and not lose pressure. Examples of hybrid masks are the Hybrid by InnoMed and the Liberty by ResMed.