The association of periodontal disease with 12 selected variables, considered to be intrinsic-systemic factors, was examined. A probability sample of 324 subjects, ≥ 20 years old, was studied. The statistical analyses included simple, partial, and multiple correlations, and linear regression.
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Stahl, S.S.: "The Etiology of Periodontal Disease; An Appraisal of Current Literature," in Ramfjord, S.P.; Kerr, D.A.; and AsH, M.M. (eds.): World Workshop in Periodontics, Ann Arbor: University of Michigan, 1966.
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Jamison, H.C.: Prevalence and Severity of Periodontal Disease in a Sample of a Population, thesis, University of Michigan School of Public Health , Ann Arbor, 1960.
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Arno, A.; ScheiO.; Lovdal, A.; and Waerhaug, J.: Alveolar Bone Loss as a Function of Tobacco Consumption, Acta Odont Scand17:3-8, 1959.
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Brantzaeg, P., and Jamison, H.C.: A Study of Periodontal Health and Oral Hygiene in Norwegian Army Recruits, J Periodont35:302-307, 1964.
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Epstein, F.H. ; Francis, T., JR.; Hayner, N.S.; Johnson, B.C.; Kjelsberg, M.O.; Napier, J.A.; Ostrander, L.D., JR. ; Payne, M.W.; and Dodge, H.J.: Prevalence of Chronic Diseases in Distribution of Selected Physiological Variables and Pathological States in a Total Community , Tecumseh, Michigan, Amer J Epidem81: 307-322, 1965.
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Epstein, F.H.: Epidemiology of Atherosclerosis, presented at the Symposium on Heart Disease, San Francisco, Calif , Sept 28-30, 1966.
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Kagan, A.; Kannel, W.B.; Dawber, T.R.; and Revotskie, N.: The Coronary Profile, Ann NY Acad Sci97:883-894, 1963.
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Paul, 0.; Lepper, M.H.; Phelan, W.H.; Dupertuis, G.W.; Macmillan, A.; Mc-Kean, H.; and Park, H.: A Longitudinal Study of Coronary Heart Disease, Circulation28:20-31, 1963.
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Ramfjord, S.P. : Indices for Incidence and Prevalence of Periodontal Disease, J Periodont30:51-59, 1959.
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