Abstract
Oral appliances that advance the mandible are widely used as alternatives to positive airway pressure (PAP) devices or as primary therapy for obstructive sleep apnea (OSA) in adults. Although PAP is more efficacious at lowering the polysomnographic indices of OSA, the clinical effectiveness of PAP and oral appliances is similar, and patients are more likely to adhere to oral appliance therapy than to PAP treatment. Clinical examination is used to determine the candidacy of oral appliances and to select a particular appliance for a given patient. Endoscopic examination of the pharynx may be used to help assess the potential for efficacy. Otherwise, if available, titration of mandibular protrusion during sleep may be performed prior to appliance production in order to assess efficacy. Once a patient is fitted with a titratable oral appliance, further advancement is usually performed at home to resolve the clinical symptoms and signs of OSA. Clinical follow-up is needed to assess the outcome, side effects, and adherence, as the long-term adherence rate is approximately 50%. Recent advances in oral appliance therapy include the development of embedded temperature sensors for adherence monitoring and the production of thinner, lighter appliances via 3D printing techniques.
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