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  • Title: Models for coronal caries and root fragments in an elderly population.
    Author: Drake CW, Beck JD.
    Journal: Caries Res; 1992; 26(5):402-7. PubMed ID: 1468107.
    Abstract:
    A random sample of 809 dentate, home-dwelling people 65 years of age or older participated in a study to determine the prevalence of dental diseases in the elderly. Part of the study investigated the determinants of coronal caries and root fragments in these older adults. Using a wide array of potentially explanatory variables available, logistic regression models were developed to identify relationships between these variables and coronal caries and root fragments. The variables with the most explanatory power in the coronal caries model were the presence of decayed root surfaces, lower salivary flow rate, lack of regular dental care and an interaction variable including race and a perception of financial well-being. When a subsequent model was created that did not include decayed root surfaces or root fragments as potential explanatory variables, an additional variable relating to self-perception of mouth appearance emerged. The strongest variables in the model for root fragments were episodic (vs. regular) dental visits, presence of root caries, lack of replacement for lost teeth, high levels of Streptococcus mutans and number of teeth present in the mouth.
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