Oral & Maxillofacial Surgery
Sleep Apnea Appliances

Sleep apnea is a serious, sometimes fatal medical disorder that affects around 10% of American men over the age of 40, and 6% of American women of the same age.  Sleep apnea sufferers completely stop breathing during sleep, sometimes hundreds of times in a single night.  Normal breathing ceases because the airway becomes obstructed, causing a serious reduction of airflow to the lungs.

There are a number of dental devices that can be used to alleviate this condition. The goal of most of these devices is to separate the jaws and push them forward slightly.  This slight repositioning opens up the airway, and allows oxygen to flow freely again.  Wearers of sleep apnea dental devices report that they stop loud snoring, feel more rested in the daytime, and are much more comfortable going to sleep.  Sleep apnea appliances work best on patients who are not significantly overweight. They offer a viable alternative to Continuous Positive Airway Pressure (CPAP).

Sleep apnea appliances fall into two categories: fixed and adjustable.  Here are brief descriptions of some commonly used sleep apnea dental appliances:

The Moses®

This new, innovative device adds another dimension to oral-appliance therapy. Stimulating protrusive tongue reflexes and an open anterior design advances the tongue and enlarges the cross-sectional area of the airway. Combined with mandible  advancement, it becomes the most effective appliance available. Two-part construction allows patients to talk, drink, open wide and close their lips, making this the most comfortable appliance available.

With The Moses®, it is not necessary to extend the mandible to a position that is uncomfortable and painful for the patient. The design promotes the activation of the involuntary subconscious  reflexes using a clever but simple design in the mandibular lingual acrylic that advances the tongue. Now that the tongue is out of the airway, the mandible does not need to be protruded significantly. As a result, it will also reduce problems associated with TMD.

Research discovered that we can activate involuntary subconscious reflexes using this design in the mandible. So, rather than pull the tongue out of the airway, the appliance guides it out. There is nothing in the mouth that restricts the tongue from advancing forward. The Moses® increases tongue space and prevents collapse of tongue on the airway.Of course the open anterior design is part of the solution.

The most important dimension of The Moses® is compliance. If the device works well and is comfortable, we know the patient will want to wear it every night. This is key to any treatment involving a removable appliance. As we know from the CPAP; if you don't use it, it can't help. The patient can easily open wide and close their lips and no longer have the discomfort of dry mouth in the mornings. It also eliminates the claustrophobic locked jaw. The combination of the two dimensions of The Moses® means the success doesn’t rely heavily on one attribute to stop symptoms. Since the tongue is already stimulated to a forward position, we don’t have to extend the mandible far in order stop snoring or reduce the AHI. The mandible position of The Moses® is comfortable for the patient. Bottom line: It works and is very comfortable, therefore the patient wears it and gets help every night!

TAP® 3 (Thornton Adjustable Positioner)

The TAP® 3 is the smallest, most comfortable member of the TAP family.  It is a two-part custom-created sleep apnea appliance that fits over the teeth in much the same way as a sports mouthguard.  The TAP® 3 projects the jaw forward to prevent the tongue and soft tissues from impeding the airway.  The lower jaw positioner is adjustable, which means that it can be altered to suit the comfort level of the wearer.  The TAP® 3 appliance can accommodate the three main types of malocclusion, and allows the lips to fully close.

OASYS Appliance

The OASYS appliance is designed to move the base of the tongue toward the front of the mouth by gently repositioning the jawbone (mandible).  This shift opens the oropharynx and strengthens the upper airway.  An extension of the upper shield projects toward the nose, creating a larger nasal opening and less resistance to normal airflow.  This adjustable appliance is comfortable to wear and extremely patient friendly.

KlearwayTM Appliance

The KlearwayTM Appliance is generally used to alleviate obstructive sleep disorder and eliminate snoring.  The patient or dentist can project the jaw forwards in increments of .25mm at a time.  This ensures maximum comfort for the sleeper.  The KlearwayTM appliance is made from VariflexTM heat softening acrylic, which makes it easier to insert.  Running warm water over the appliance makes it pliable, but once placed in the desired position, the acrylic hardens again.

Herbst Telescopic Appliance

The Herbst appliance is held in the mouth by clasps and friction grips.  It is made of acrylic, and contains adjustable metal wiring.  The advantage of this appliance is that the wearer is able to move vertically and laterally without dislodging the appliance.  The Herbst appliance is usually used in mild and moderate cases of sleep apnea, and can also alleviate loud snoring effectively.

If you have questions or concerns about sleep apnea appliances, please ask your dentist.


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