title: The nocturnal use of complete dentures and sleep stability in edentulous elders.
abstract: OBJECTIVE
  To evaluate the stability of sleep quality and the impact of nocturnal use of complete dentures on sleep quality in an elderly edentulous population over a one-year period.
  
  
  METHODS
  Written informed consent was obtained from 172 edentulous elders who agreed to enrol in a longitudinal cohort study. A total of 153 participants completed the follow-up after one year. Perceived quality of sleep and daytime sleepiness were measured using the Pittsburgh Sleep Quality Index (PSQI, score 0-21) and the Epworth Sleepiness Scale (ESS, score 0-24) at baseline (T0) and at follow-up (T1). Data on oral health related quality of life, type of mandibular dentures (conventional versus implant-retained mandibular overdenture), nocturnal wear of the dentures and socio-demographic status were obtained by means of the OHIP-20 questionnaire, a clinical examination form and a socio-demographic questionnaire.
  
  
  RESULTS
  No statistically significant differences were detected in the global PSQI mean scores and EES mean scores from baseline (PSQI 4.77 ± 3.32; EES 5.35 ± 3.72) to the follow-up assessment (PSQ1 5.04 ± 3.50; EES 5.53 ± 4.34). Edentate elders wearing prostheses at night had poorer daytime sleepiness scores than those who removed their prostheses at night (p=0.003 unadjusted model; p=0.058 adjusted for age, gender, type of prosthesis and the OHIP-20 total score).
  
  
  CONCLUSIONS
  Results of this study suggest that wearing complete dentures while sleeping has little effect on sleep quality or daytime sleepiness.
authors.affiliation: Faculté de Médecine Dentaire, Université de Montréal, Montreal, QC, Canada. Elham.emami@umontreal.ca
authors.forename: Elham
authors.initials: E
authors.lastname: Emami
authors.forename: M Hamed
authors.initials: MH
authors.lastname: Salah
authors.forename: Pierre
authors.initials: P
authors.lastname: Rompré
authors.forename: Nelly
authors.initials: N
authors.lastname: Huynh
authors.forename: Andrew
authors.initials: A
authors.lastname: Beauchamp
authors.forename: Jocelyne S
authors.initials: JS
authors.lastname: Feine
mesh_terms: D000368:Aged; D015331:Cohort Studies; D019094:Dental Prosthesis, Implant-Supported; D003779:Denture Design; D003824:Denture, Complete; D003826:Denture, Complete, Lower; D003827:Denture, Complete, Upper; D003828:Denture, Overlay; D004522:Educational Status; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007182:Income; D008137:Longitudinal Studies; D008297:Male; D017533:Marital Status; D009066:Mouth, Edentulous / Q000503:physiopathology / Q000523:psychology / Q000534:rehabilitation*; D009909:Oral Health; D011446:Prospective Studies; D011788:Quality of Life; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology
keywords: Dental prosthesis; Edentulism; Obstructive sleep apnea (OSA); Sleep quality