Chinstraps are fastened around the lower jaw and the head’s top. If you are under continuous positive airway pressure therapy, the slightly pressurized air being supplied via the nose through a face mask will leak out if the mouth falls open during sleep. This is why apnea patients at times use anti snoring chinstraps to mitigate the side effects of CPAP.
When sleeping, the lower jaw stays in a relaxed position and that can make you to breathe through the mouth. Mouth breathing often causes a sore throat or a dry mouth in apnea patients, especially when they wake up. However, patients can mitigate the side effects of CPAP by wearing an apnea chin strap. Wearing the anti snoring chin strap makes it tough for the mandible to relax while sleeping, which helps to keep the nasal mask securely in place and the mouth closed.
If you use a full face CPAP mask while sleeping, and find that air is leaking due to an open mouth, it is best to use a nasal mask instead and seal it with a chinstrap. Obviously, mouth breathing tend to cause snoring, so wearing a chinstrap in combination with a nasal mask is advisable to mitigate the symptoms of sleep apnea.
You might require a chinstrap if you snore even during the CPAP therapy, as that indicates you are breathing through the mouth despite wearing a nasal mask. So, even if you use that type of CPAP mask, using a chin strap for snoring in combination with that will give comfort to your sleep.
Even if you are not snoring, it will not be very comfortable to wake up with a sore throat or dry mouth. Such side effects are consequences of sleeping with an open mouth, which can be mitigated by using an apnea chin strap. Most of such chinstraps are made in a way they are compatible with a specific type of CPAP mask, so there is no doubt that you get a tight seal, especially if you wear it with nasal mask type. Further, most chinstraps are also made of soft fabric, which will not brush against the face rather uncomfortably, and stretchable material that contours to the shape of the face and ensures you of a tight fit.
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