Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database

The aim of this study was to identify regional disparities in generic drug usage and to examine related factors. The database used for the analysis was the 2018 national health insurance claims data published on the Japanese Ministry of Health, Labour, and Welfare. The drugs that were targeted were...

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Autores principales:	Sachie Ono, Akira Komatsuzaki, Asami Iguchi, Hitomi Kikuchi, Shiho Motoi, Mio Susuga
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	generic drugs healthcare costs dental care health insurance regional disparities Medicine R
Acceso en línea:	https://doaj.org/article/ec4ba1dbca7344cd9d25f9c79468b685
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spelling	oai:doaj.org-article:ec4ba1dbca7344cd9d25f9c79468b6852021-11-11T16:28:14ZGeneric Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database10.3390/ijerph1821113291660-46011661-7827https://doaj.org/article/ec4ba1dbca7344cd9d25f9c79468b6852021-10-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11329https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601The aim of this study was to identify regional disparities in generic drug usage and to examine related factors. The database used for the analysis was the 2018 national health insurance claims data published on the Japanese Ministry of Health, Labour, and Welfare. The drugs that were targeted were a combination of brand-name and generic tetracycline ointments for periodontal treatment and lidocaine injection solution used for dental anesthesia. The usage of generic drugs was calculated and compared by prefecture based on the number of health insurance claims. The comparison of related factors was conducted using data from other national statistical survey. The results showed that the mean generic drug usage of tetracycline for periodontal treatment in all prefectures was 71.2 ± 8.1%, ranging from 45.8% to 85.3%. The mean generic lidocaine used for dental anesthesia was 47.6 ± 10.0%, ranging from 30.5% to 66.2%. The rank correlation coefficient between the two was 0.359 (<i>p <</i> 0.05), and the tendency of using both generic drugs was low in major metropolitan areas. Generic drug usage in Japan is low; thus, in order to reduce healthcare costs, generic drugs need to be actively used in dentistry.Sachie OnoAkira KomatsuzakiAsami IguchiHitomi KikuchiShiho MotoiMio SusugaMDPI AGarticlegeneric drugshealthcare costsdental carehealth insuranceregional disparitiesMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11329, p 11329 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	generic drugs healthcare costs dental care health insurance regional disparities Medicine R
spellingShingle	generic drugs healthcare costs dental care health insurance regional disparities Medicine R Sachie Ono Akira Komatsuzaki Asami Iguchi Hitomi Kikuchi Shiho Motoi Mio Susuga Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
description	The aim of this study was to identify regional disparities in generic drug usage and to examine related factors. The database used for the analysis was the 2018 national health insurance claims data published on the Japanese Ministry of Health, Labour, and Welfare. The drugs that were targeted were a combination of brand-name and generic tetracycline ointments for periodontal treatment and lidocaine injection solution used for dental anesthesia. The usage of generic drugs was calculated and compared by prefecture based on the number of health insurance claims. The comparison of related factors was conducted using data from other national statistical survey. The results showed that the mean generic drug usage of tetracycline for periodontal treatment in all prefectures was 71.2 ± 8.1%, ranging from 45.8% to 85.3%. The mean generic lidocaine used for dental anesthesia was 47.6 ± 10.0%, ranging from 30.5% to 66.2%. The rank correlation coefficient between the two was 0.359 (<i>p <</i> 0.05), and the tendency of using both generic drugs was low in major metropolitan areas. Generic drug usage in Japan is low; thus, in order to reduce healthcare costs, generic drugs need to be actively used in dentistry.
format	article
author	Sachie Ono Akira Komatsuzaki Asami Iguchi Hitomi Kikuchi Shiho Motoi Mio Susuga
author_facet	Sachie Ono Akira Komatsuzaki Asami Iguchi Hitomi Kikuchi Shiho Motoi Mio Susuga
author_sort	Sachie Ono
title	Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
title_short	Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
title_full	Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
title_fullStr	Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
title_full_unstemmed	Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database
title_sort	generic drug usage in dentistry across japan: analysis using a japanese national database
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ec4ba1dbca7344cd9d25f9c79468b685
work_keys_str_mv	AT sachieono genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase AT akirakomatsuzaki genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase AT asamiiguchi genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase AT hitomikikuchi genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase AT shihomotoi genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase AT miosusuga genericdrugusageindentistryacrossjapananalysisusingajapanesenationaldatabase
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Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database

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