ANSWERS

How does a sleep apnea oral appliance work?

A sleep apnea oral appliance is a custom mandibular advancement device worn during sleep that holds the lower jaw 4 to 8 millimeters forward of resting position. That forward posture pulls the tongue base off the posterior airway and stabilizes soft tissue, preventing the collapse that causes obstructive apnea events.

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Why it works this way

The mechanism, in one sentence

A mandibular advancement device (MAD) repositions the lower jaw forward during sleep, which physically opens the posterior airway by moving the tongue and soft palate away from the pharyngeal wall. The 2015 AASM/AADSM clinical practice guideline endorses oral appliance therapy as first-line treatment for adults with mild to moderate obstructive sleep apnea, and as an alternative for severe OSA patients who cannot tolerate CPAP.

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Is an oral appliance as effective as CPAP?

For mild to moderate OSA, oral appliances achieve comparable health outcomes to CPAP despite slightly lower AHI reduction, because patient adherence with oral appliances runs 76-95% versus 50-60% for CPAP (per 2013 Phillips et al. randomized trial in the American Journal of Respiratory and Critical Care Medicine). The AASM recognizes this adherence advantage and recommends oral appliances as first-line for patients who prefer them or who fail CPAP.

How long does a custom sleep apnea appliance last?

A lab-fabricated mandibular advancement device built from medical-grade acrylic or nylon typically lasts 3 to 5 years with nightly use. Lifespan depends on bruxism severity, cleaning protocol, and titration history. Patients with significant nocturnal grinding may need replacement closer to the 3-year mark. Dani Dental's standard MAD construction uses dual-layer thermoformed materials engineered for the 3 to 5 year service window with replaceable advancement hardware.

Can any dentist prescribe an oral appliance?

In the U.S., a sleep apnea oral appliance requires a diagnosis of OSA from a physician (typically confirmed by polysomnography or home sleep test) and a prescription. The appliance itself is then fabricated and titrated by a dentist, ideally one with AADSM training in dental sleep medicine. The dentist does not diagnose OSA; they manage the device. Referring dentists work with Dani Dental on the fabrication side once the medical diagnosis and Rx are in hand.

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