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Abstract: Background: This randomized single blinded crossover clinical study tested the effect on subject's apnea-hypopnea index (AHI) wearing a flat-plane dental nightguard (NG) versus a mandibular advancement device (MAD). Materials and Methods: The sample consisted of 16 adults previously diagnosed with obstructive sleep apnea (OSA). Apnea-hypopnea indices were measured using a home sleep test ... read moreunit administered at baseline, after one week of the nightguard, and one week of the MAD. A flat-plane nightguard, and a mandibular advancement device set at 60% of the subjects' maximum protrusion, were used. Results: A paired t-test analysis showed the difference in AHI between the two treatments was statistically significant (p=0.0025). Seven of 16 (43.75%) subjects experienced an increase of AHI by 2.23 events an hour while wearing the nightguard. Conclusion: The results of this study suggest that bruxism patients should be screened for OSA before fitting a nightguard, due to possible aggravation of OSA with nightguard usage. Dentists should consider use of a MAD instead of a nightguard for treating OSA, when appropriate.
Thesis (M.S.)--Tufts University, 2014.
Submitted to the Dept. of Other.
Advisor: Tofool Alghanem.
Committee: Leopoldo Correa, Paul Stark, Ron Kulich, and Noshir Mehta.
Keywords: Medicine, and Dentistry.read less
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