Genetic and environmental determinants of periodontal disease

D. C. Rao, C. S. Chung, N. E. Morton

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Reanalysis of data on periodontal disease in 241 families [Chung et al, 1977b], based on an extended and more satisfactory path model [Rao et al, 1979], failed to detect significant heritability, and concluded in favor of cultural inheritance only, without maternal effects or intergenerational differences. The most parsimonious hypothesis yields a relative variance component of 0.338 ± 0.024 due to indexed environment for both children and adults, the remainder (1.0 - 0.338 = 0.662) being due to residual nongenetic factors.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalAmerican journal of medical genetics
Volume4
Issue number1
DOIs
StatePublished - 1979

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