Hakeem and colleagues 1 Hakeem F.F. Bernabé E. Sabbah W. Association between oral health and frailty among American older adults.

J Am Med Dir Assoc. 2021; 22: 559-563.e2

investigated the association between tooth loss, periodontal disease, and frailty among community-dwelling older American adults. In their cross-sectional nationally representative surveys, they found that oral health was associated with frailty according to frailty index, and nutritional intake appeared to have a modest effect on the association. As part of a larger study exploring nutritional and functional status, 2 Saarela R.K.T. Muurinen S. Suominen M.H. et al. Changes in malnutrition and quality of nutritional care among aged residents in all nursing homes and assisted living facilities in Helsinki 2003-2011.

Arch Gerontol Geriatr. 2017; 72: 169-173

we investigated the oral health of older residents in nursing homes and assisted living facilities in Helsinki (FINORAL study). We aimed to explore whether there was a similar association between frailty and tooth loss or periodontitis in the long-term care population.