A Preliminary Report on the Study of the Relationship of Psychosomatics to Oral Conditions—Relationship of Personality to Dental Caries

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Abstract
Neurotic tendency and introversion-extroversion traits of 50 individuals were detd. by the Personality Inventory of Bernreuter. A modified DMF (decayed, missing, filled) score was detd. for the same individuals, allowing 1 point for each surface of a tooth showing caries or fillings, and 3 points for each extracted tooth. There was a strong positive correlation between the percentile neurotic tendency or introversion-extroversion traits and the DMF score; the values were: + 0.474 for neurotic tendency and +0.443 for introversion-extroversion. Such values are significant at the 1% level.

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