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Re: AHI or RSI what is the difference

Posted by Bird Watcher on December 15, 2006 at 17:48:31:

In Reply to: Re: AHI or RSI what is the difference posted by cpapdoesnothelp on December 15, 2006 at 16:28:44:

UARS means upper airway resistance syndrome. See the definition page here on sleepnet http://www.sleepnet.com/definition.html or do an internet search for 'UARS' for more information. I think you need to focus on the fact that when your jaw is held forward of your upper teeth during sleep, it helps you. It helps because a person's tongue is attached to the jaw at the chin. By holding the chin forward, that holds the back of the tongue slightly more out of the airway. If you're familiar with geometry, the area of a circle (your airway) is increase proportionly by the square of the radius. Any little bit the dental appliance can hold the tongue forward helps by the square of the distance.

That's what a dental appliance is for. Simple tooth guards don't help because they don't affect the tongue.

I would go back to the dentist that made you the appliance and follow up on the porblems you're having. Some of the cheaper style dental appliances have only a few advancement adjustments. The more expensive ones have a screw type adjustments that can be set more accurately. Maybe the appliance you have is set to extend your jaw too far(?)and that's why it's hurting too much? Advancement adjustments on dental appliance should be made very slowly over the period of weeks while the jaw becomes used to the position during sleep.

Your experience with dental appliances, though, shows that a permanent jaw advancement may be of some benefit to you. That's what I suggest you should follow up on and maybe think more seriously about the MMA. By the way, you should also try the CPAP again with your dental appliance in at the same time and see what that does for you.

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