千葉県における歯科医療従事者の地理的分布(自然科学編)

概要

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The geographic distribution of dental personnel continues to be one of the major concerns of public policy. The purpose of the present study was to examine the recent distribution of dental personnel in secondary medical care areas by size of population in Chiba Prefecture. We analyzed the number of practicing dentists, dental hygienists and dental technicians in relation to the population in all secondary medical care areas (n=9) in Chiba Prefecture. Between 1980 and 2000, the number of practicing dentists increased by 1.8 times, and the ratio of dentists per 100,000 population increased 37.8 to 66.5. The number of practicing dental hygienists increased by 5.4 times, and the practicing dental hygienists /population ratios increased 6.6 to 35.7. The number of practicing dental technicians increased by 1.7 times, and the practicing dental technicians /population ratios increased 10.2 to 17.8. Analyses by the Lorenz curve and the Gini coefficient indicated that there were improvements in practicing dental hygienists and dental technicians distribution during this time. However, there was little improvement in dentist distribution. These findings suggest that increased dentist supply did not necessarily influence dentist distribution in Chiba Prefecture.
千葉県立衛生短期大学の論文