Molecules will try to adopt the most stable conformation that minimizes strain. For cyclohexane, C 6 H 12, this would be the chair conformation. Letâs see why. If cyclohexane was planar, its structure would look like the picture to the left.
CPAP mask â There are many types of C-PAP masks. There are masks that just cover the nose (nasal cpap mask), and masks that cover just the mouth (oral masks), and of course, nasal-oral masks. There are also masks that are attached to oral appliance mouth devices.
/ Treatments / CPAP Treatment. The CPAP (Continuous Positive Airway Pressure) machine connects to a mask, which provides a constant flow of air into the mouth and nose, keeping airways open so you can breathe more easily during sleep. CPAP is considered the most effective treatment for obstructive sleep apnea.