Relationship Between the Number of Occlusal Supporting and Medical Cost: Analysis Using Large Claims Database from Employee Health Care Insurance in Japan

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Relationship Between the Number of Occlusal Supporting and Medical Cost: Analysis Using Large Claims Database from Employee Health Care Insurance in Japan

Material type: 博士論文

Author: 村田, 達教

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Name of awarding university/degree: 大阪歯科大学,博士（歯学）

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Note (General)：: Background: There are several previous reports suggesting that the number of remaining teeth is related to increase of total medical expenditure. Howe...

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Material Type: 博士論文
Title: Relationship Between the Number of Occlusal Supporting and Medical Cost: Analysis Using Large Claims Database from Employee Health Care Insurance in Japan
Author/Editor: 村田, 達教
Author Heading: 村田, 達教
Alternative Title: 咬合支持域数と医科医療費の関連性について～健康保険組合の大規模レセプトデータ解析～
Degree grantor/type: 大阪歯科大学
Date Granted: 2020-03-06
Dissertation Number: 甲第871号
Degree Type: 博士（歯学）
Text Language Code: eng
Subject Heading: occlusal support
medical expenditure
claims database
Eichner classification
Miyachi classification
Target Audience: 一般
Note (General): Background: There are several previous reports suggesting that the number of remaining teeth is related to increase of total medical expenditure. However, the measurements of oral healthcare conditions used in the previous studies were the number of remaining teeth, and occlusal support was not assessed.Objectives: The aim of this study was to evaluate the relationships between occlusal support and healthcare resource utilization.Methods: This study was a retrospective cohort study using a claims database. Measurements of occlusal support were defined by the Eichner and Miyachi classification systems based on dental formula information. Medical healthcare resource usage was measured by medical visit rate and 12-month medical expenditure.Results: Of the total population in the claims database, 1 288 713 patients were included in the analysis. The proportion of patients who had at least one medical visit and annual medical expenditure in the best condition classes in each classification measure (i.e. A1 for Eichner classification and Area I for Miyachi classification in both endpoints) were 58.2% and 61.1%, and JPY34 597 (US$314.52at JPY110/US$) and JPY43 129 (US$392.08), respectively. Those in the poorest condition classes in each classification measure (i.e. B3 for Eichner classification and Area IV for Miyachi classification in the medical visit rate, and C1 for Eichner classification and Area III for Miyachi classification in medical expenditure) were 75.3% and 75.1%, and JPY149 339 (US$1357.63) and JPY120 925 (US$1099.32), respectively. We found a positive correlation with the outcomes by regression analysis adjusting for deterioration of occlusal support with age and gender.Conclusion: We found significant relationships between occlusal support conditions and healthcare resource utilization. The maintenance of oral health or dental treatment may positively impact overall health, and active dental intervention may reduce the total medical expenditure.
2019年度
Source: fulltext
https://osaka-dent.repo.nii.ac.jp/?action=repository_action_common_download&item_id=254&item_no=1&attribute_id=20&file_no=2
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https://osaka-dent.repo.nii.ac.jp/?action=repository_action_common_download&item_id=254&item_no=1&attribute_id=20&file_no=1
Access Restrictions: インターネット公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 大阪歯科大学 : 大阪歯科大学学術リポジトリ