Abstract
Purposes
The purpose of this study is to investigate the effect of wearing dentures on obstructive sleep apnea and hypopnea among completely edentulous patients.
Methods and materials
A self-controlled study was conducted among 30 edentulous patients. Polysomnograms were recorded in the sleep laboratory on two consecutive nights. Participants slept with their dentures in one night and without dentures in the other. The apnea and hypopnea index (AHI), lowest oxygen saturation (L-SpO2), and morning blood pressure (MBP) were collected for statistical analysis.
Results
Among the edentulous participants, 24 showed a higher AHI when sleeping with dentures. The average AHI for all 30 participants was significantly higher when they slept with dentures than without dentures (16.3 ± 14.7 vs 13.4 ± 14.0/h, P < 0.05). Participants in the non-obstructive sleep apnea-hypopnea syndrome (non-OSAHS) subgroup (AHI <5 when sleeping without dentures) had a significant increase in AHI when sleeping with dentures, and nearly half of them (5 out of 11) reached the diagnostic standard for OSAHS (AHI >5). A higher morning diastolic blood pressure was recorded when participants slept with dentures (P < 0.05), while no significant difference was found in the L-SpO2 score and morning systolic blood pressure.
Conclusions
Wearing dentures can lead to significant increase of AHI and diastolic MBP among edentulous people. Hence, we suggest that Chinese edentulous people should remove their dentures before sleep.
Trial registration
ChiCTR-IOR-16008404
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The Peking University School and Hospital of Stomatology (PKUSS) provided financial support in the form of Fund of Peking University School and Hospital of Stomatology (PKUSS20120209, PKUSS20140211). The sponsor had no role in the design or conduct of this research.
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The authors declare that they have no competing interests.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study protocol was approved by the Biomedical Institutional Review Board of PKUSS (PKUSSIRB-2012044).
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Informed consent was obtained from all individual participants included in the study.
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Chen, Q., Zou, D., Feng, H. et al. Will wearing dentures affect edentulous patients’ breathing during sleep?. Sleep Breath 21, 589–594 (2017). https://doi.org/10.1007/s11325-017-1457-x
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DOI: https://doi.org/10.1007/s11325-017-1457-x