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| REVIEW ARTICLE |
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| Year : 2007 |
Volume
: 18 | Issue : 4 | Page
: 201-209 |
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Management of obstructive sleep apnea: A dental perspective
Ariga Padma1, N Ramakrishnan2, Vinod Narayanan3
1 Department of Prosthodontics, Saveetha University, 162 Poonamallee High Road, Chennai - 600 077, India
2 Consultant Sleep Medicine, NITHRA, 19, Periyar Road, T Nagar, Chennai, India
3 Department of Oral and Maxillofacial Surgery, Saveetha University, 162 Poonamallee High Road, Chennai - 600 077, India
Correspondence Address:
Ariga Padma
Department of Prosthodontics, Saveetha University, 162 Poonamallee High Road, Chennai - 600 077
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0970-9290.35833
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Sleep disordered breathing is a term which includes simple snoring, upper airway resistance syndrome, and obstructive sleep apnea (OSA). Simple snoring is a common complaint affecting 45% of adults occasionally and 25% of adults habitually and is a sign of upper airway obstruction. Snoring has also been identified as a possible risk factor for hypertension, ischemic heart disease, and stroke. The role of dentistry in sleep disorders is becoming more significant, especially in co-managing patients with simple snoring and mild to moderate OSA. The practicing dental professional has the opportunity to assist patients at a variety of levels, starting with the recognition of a sleep-related disorder, referring patients to a physician for evaluation, and assisting in the management of sleep disorders. Obesity is the main predisposing factor for OSA. In nonobese patients, craniofacial anomalies like micrognathia and retrognathia may also predispose to OSA. Diagnosis of OSA is made on the basis of the history and physical examination and investigations such as polysomnography, limited channel testing, split-night testing, and oximetry. Nocturnal attended polysomnography, which requires an overnight stay in a sleep facility, is the standard diagnostic modality in determining if a patient has OSA. As far as treatment is concerned, the less invasive procedures are to be preferred to the more invasive options. The first and simplest option would be behavior modification, followed by insertion of oral devices suited to the patient, especially in those with mild to moderate OSA. Continuous positive airway pressure (CPAP) and surgical options are chosen for patients with moderate to severe OSA. The American Academy of Sleep Medicine (AAOSM) has recommended oral appliances for use in patients with primary snoring and mild to moderate OSA. It can also be used in patients with a lesser degree of oxygen saturation, relatively less day time sleepiness, lower frequency of apnea, those who are intolerant to CPAP, or those who refuse surgery. Oral appliances improve the blood oxygen saturation levels as they relieve apnea in 20-75% of patients. They reduce the apnea-hypopnea index (AHI) by 50% or to < 10 events per h. Oral appliances also reduce the AHI to normal in 50-60% patients. |
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