Health statistics from U.S. National Health survey, series. B-22. Loss of teeth, United States, July 1957-June 1958, statistics on persons who have lost all of their permanent teeth, by age, sex, residence, region, race, income, education, time interval since last dental visit, and volume of dental visits. Based on data collected in household interviews during July 1957-June 1958; [prepared by Jane W. Bergsten].

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