Article
Effects of smoking and genotype on the PSR index of periodontal disease in adults aged 18-49.
International journal of environmental research and public health - 1 Aug 2012
Polk Deborah E, Wang Xiaojing, Feingold Eleanor, Shaffer John R, Weeks Daniel E, Weyant Robert J, Crout Richard J, McNeil Daniel W, Marazita Mary L
Abstract excerpt
Studies have found both genetic and environmental influences on chronic periodontitis. The purpose of this study was to examine the relationships among previously identified genetic variants, smoking status, and two periodontal disease-related phenotypes (PSR1 and PSR2) in 625 Caucasian adults (aged 18-49 years). The PSR Index was used to classify participants as affected or unaffected under the PSR1 and PSR2...
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