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Prevalence of and Factors Associated with Root Decay in Older Adults in Canada

Department of Community Dentistry, Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, Ontario, Canada M5G 1G6

G.D. Slade

Department of Community Dentistry, Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, Ontario, Canada M5G 1G6

J.L. Leake

Department of Community Dentistry, Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, Ontario, Canada M5G 1G6

We collected data on the oral health status and treatment needs of a random sample of persons aged 50 years and over. Data on root decay were obtained from the 183 subjects who were dentate. All remaining teeth were examined for root decay and restorations, whether root surfaces were affected by recession or not. Analysis was undertaken by case and root surface, with separate analyses of decayed (DS), and decayed and filled (DFS) root surfaces. One or more root surfaces with untreated decay were found in 37.2% of subjects, while one or more decayed or filled root surfaces were found in 56.8%. The mean number of decayed sutfaces was 1.3 per person, and the mean number of decayed and filled root surfaces was 2.6. Multiple and logistic regression analyses showed that oral health variables were more important predictors of the presence and severity of root decay than demographic, general health, or dental care factors.

Journal of Dental Research, Vol. 68, No. 5, 768-772 (1989)
DOI: 10.1177/00220345890680050301


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