Dental state and functional capacity in 75‐year‐olds in three Nordic localities

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Abstract
summary The aims of the study were to compare dental state in three Nordic 75‐year‐old populations and to evaluate dental state as a marker of functional ageing. The study is part of a Nordic comparative study of 75‐year‐olds in Glostrup, Göteborg and Jyväskylä. In the dental studies, 411 subjects in Denmark, 308 in Sweden and 310 in Finland participated. Odontological history was obtained from interviews. Other methods, which are described elsewhere, were used to measure various functional parameters. In Goteborg, 23% of the 75‐year‐olds reported they were edentulous and 27% that they had more than 20 of their own teeth. The corresponding figures in Glostrup were 45% and 15% and in Jyväskylä 58% and 9%, respectively. In all three localities, economic factors and lifestyle factors, such as tobacco smoking, low physical activity and low social activity, were significant predictors for impaired dental health. The number of teeth was significantly associated with, for example, spirometry parameters, reaction time, body extention and body flexion in males. In females, significant associations were obtained with spirometry parameters, reaction time, handgrip, body extension and body flexion. Internordic differences regarding dental state were obvious. Dental state was associated with functional capacities. We suggest that dental state is a marker of functional capacity in elderly populations.