Association between dentition and frailty and cognitive function in community-dwelling older adults

Objectives To evaluate dentition status amongst community-dwelling older adults and its association with frailty and cognitive impairment. Methodology One thousand forty-seven community-dwelling older adults aged >= 65 years were surveyed in an epidemiologic population-based cohort study in Singapore between April 2015 and August 2016. Data on demographics, dentition status, chronic diseases, activities and instrumental activities on daily-living, cognition (age- and education-specific MMSE cut-offs), frailty (FRAIL scale), perceived health and functional status were collected. Multiple logistic regression was performed to examine the association between dentition, frailty and cognition. Results Mean age of participants was 71.2 +/- 5.5 years. The prevalence of denture use was 70.7% and edentulism 7.9%. Compared to edentulousness, having teeth was associated with lower odds of cognitive impairment and higher odds of being robust or pre-frail. Denture-wearers compared with edentulous persons were less likely to be male, had higher education level and more likely be robust or pre-frail. Conclusion and implications There were significant associations between dentition status, frailty and cognition in our study where those with remining teeth and / or dentures had better overall outcomes. As oral health, frailty and cognitive impairments are all modifiable risk factors for healthy ageing, countries should consider population level screening for oral health, frailty and cognitive impairment.

Automated summary

This study evaluated the dentition status, frailty, and cognitive impairment among community-dwelling older adults. The findings showed that having teeth was associated with lower risk of cognitive impairment and higher likelihood of being robust or pre-frail compared to being edentulous. The study highlights the importance of population-level screening for oral health, frailty, and cognitive impairment as modifiable risk factors for healthy aging.