「歯槽膿漏症指数」を試みた農漁村住民の歯周疾患状態の比較検討

概要

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The author has previously reported the marked difference of the morbidity from gingivitis classified by PMA index of Massler and Schour between the school pupils age ranging from 7, 11 and 14 years of the inland farm and of the Pacific coast fishing areas in northeastern Japan. The results thus encouraged the author to study the oral conditions of 551 adult inhabitants 40 years and over from the inland farm and the coastal fishing villages. In this examination the pyorrhea findings were expressed using a new periodontal disease index "Score 6, 8"of the author. And the mean index value of each age class was compared between the two areas among male and female. Periodontal index (S. 6, 8) values were higher in the inland farm area than in the coastal fishing area for both sexes with the significance level of P<0.01 in all the age classes. Since nutritional studies in an inland farm and a Pacific coastal areas have revealed that the intake of protein, calcium and vitamins of B complex was superior in the coastal area, and the acid-base balance, indicated by both serum CO2 content and serum total calcium level gave higher values, the significant difference in the morbidity of periodontal disease between both areas infers that the nutritional condition in early life might influence the development of gingivitis and pyorrhoea in later life.
有限責任中間法人日本口腔衛生学会の論文