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Association of Oral Health and Mini Nutritional Assessment in Older Adults: A Systematic Review with Meta-analyses.

Authors
  • Hussein, Sahar1
  • Kantawalla, Rifat Falak1
  • Dickie, Stephenie1
  • Suarez-Durall, Piedad1
  • Enciso, Reyes1
  • Mulligan, Roseann1
  • 1 Herman Ostrow School of Dentistry of University of Southern California Los Angeles, California, USA.
Type
Published Article
Journal
Journal of prosthodontic research
Publication Date
Apr 27, 2022
Volume
66
Issue
2
Pages
208–220
Identifiers
DOI: 10.2186/jpr.JPR_D_20_00207
PMID: 34261845
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To evaluate whether poor oral health is associated with a higher risk of malnutrition based on the Mini Nutritional Assessment (MNA) or MNA-SF (short form) in older adults. For this meta-analysis, cohort and cross-sectional studies with adults 65 years and older, reporting oral health outcomes (i.e. edentulism, number of teeth) and either the MNA or MNA-SF were selected. Four electronic databases were searched (Medline via PubMed, Web of Science, Cochrane Library and EMBASE) through June 2020. Risk of bias was assessed with the checklist by the Agency for Healthcare Research and Quality scale. A total of 928 abstracts were reviewed with 33 studies, comprising 27,559 participants, aged ≥65 being ultimately included. Meta-analyses showed that the lack of daily oral hygiene (teeth or denture cleaning), chewing problems and being partially/fully edentulous, put older adults at higher risk of malnutrition (p<0.05). After adjustment for socio-demographic variables, the included studies reported lack of autonomy for oral care, poor/moderate oral health, no access to the dentist and being edentulous with either no dentures or only one denture were risk factors significantly associated with a higher risk of malnutrition (p<0.05). These findings may imply that once elders become dependent on others for assistance with oral care, have decreased access to oral healthcare, and lack efficient chewing capacity, there is increased risk of malnourishment. Limitations of the study include heterogeneity of oral health variables and the observational nature of the studies. Further studies are needed to validate our findings.

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