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TYPES OF ORAL APPLIANCES

 

 

Oral appliances sometimes known as mandibular advancement devices (MAD) have been used for the treatment of snoring and obstructive sleep apnea for many years. Worn inside the mouth (more or less like orthodontic retainers), oral appliances pull the lower jaw forward helping to open the airway during sleep.

Blockage of the airway often occurs at the level of the tongue and soft palate in the throat. The tongue muscle (genioglossus) is actually connected to the inner part of the lower jaw. Forward movement of the jaw serves to move the tongue slightly forward. Increasing the muscle tone of the palate and repositioning the hyoid bone( in the throat) also helps to keep the airway open.

Recently, the creation of adjustable oral appliances allows patients to precisely position their jaws to help minimize snoring and sleep apnea.

Even though there are many types and designs or oral appliances, only some are approved by the FDA for treatment of OSA. The type of oral appliance best suited for a patient may be dependent on several factors such as maxillomandibular structure, dental condition and dental history. Studies have shown that most patients find oral appliances easier to wear than CPAP.

 

FDA Approved Types of Oral Appliances

 

TAP Appliance

TAP Appliance

2 pieces (MAD) appliance with a hard outer shell and a softer liner or a thermoplastic liner.

TRD

TRD

2 Appliance principally used for patients who do not have enough teeth to support a mandibular advancement appliance

Herbst

9Herbst

Acrylic appliance with hardware allowing for forward adjustment of the mandible

EMA

EMA

Elastic mandibular advancement by elastic of differing strength are placed on the outside of the appliance. Elastics must be replaced frequently.

Klearway

Klearway

Adjustable thermoplastic acrylic appliance with the mechanism near the roof of the mouth.

 

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