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Article

Are Public Oral Care Services Evenly Distributed?—Nation-Wide Assessment of the Provision of Oral Care in Japan Using the National Database of Health Insurance Claims

1
Department of International Health and Collaboration, National Institute of Public Health, Saitama 351-0197, Japan
2
Healthcare Executive Program, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
3
Department of Dental Technology, The Nippon Dental University College, Tokyo 102-8159, Japan
4
Division of Disease Control and Epidemiology, School of Dentistry, Health Sciences University of Hokkaido, Tobetsu-cho 061-0293, Hokkaido, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Kelvin Afrashtehfar
Int. J. Environ. Res. Public Health 2021, 18(20), 10850; https://doi.org/10.3390/ijerph182010850
Received: 13 September 2021 / Revised: 10 October 2021 / Accepted: 10 October 2021 / Published: 15 October 2021
(This article belongs to the Special Issue Frontiers in Oral Health and Health Promotion Research)
The provision of oral health care services is one of the global challenges under the realization of universal health coverage in many countries. Despite the increasing importance of oral health care in an aging society, the disparities in the provision of oral care in Japan have not been clarified. Therefore, this study investigated the status of oral and dental care provision using the National Database of Health Insurance Claims and Specific Health Checkups (NDB) at the level of prefectures and secondary medical care areas. Additionally, a multiple regression model was applied to identify the influence of human resources in oral care services and economic factors on the standardized claims data ratio (SCR) of total dental receipts. The results showed that the total amount of oral care provided tended to be higher in metropolitan areas, with bimodal peaks in children aged 5–9 and adults in their 70s. The SCR for dental caries showed little difference nationally, but SCR for periodontal disease tended to be higher in prefectures including metropolitan areas. In a multiple regression model, the number of dentists and prefectural income per capita influenced the SCR of total dental receipts. In secondary medical care areas, some depopulated areas are supplemented by adjacent areas. These results suggest that oral health care services in the national health insurance system are generally well provided; however, they are likely to be influenced by human resources and economic disparities, and regional differences may occur in the care of periodontal diseases. View Full-Text
Keywords: oral health; oral care services delivery; database of information on receipts and specified health examinations; regional differences; standardized claims data ratio oral health; oral care services delivery; database of information on receipts and specified health examinations; regional differences; standardized claims data ratio
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MDPI and ACS Style

Kodama, T.; Ida, Y.; Oshima, K.; Miura, H. Are Public Oral Care Services Evenly Distributed?—Nation-Wide Assessment of the Provision of Oral Care in Japan Using the National Database of Health Insurance Claims. Int. J. Environ. Res. Public Health 2021, 18, 10850. https://doi.org/10.3390/ijerph182010850

AMA Style

Kodama T, Ida Y, Oshima K, Miura H. Are Public Oral Care Services Evenly Distributed?—Nation-Wide Assessment of the Provision of Oral Care in Japan Using the National Database of Health Insurance Claims. International Journal of Environmental Research and Public Health. 2021; 18(20):10850. https://doi.org/10.3390/ijerph182010850

Chicago/Turabian Style

Kodama, Tomoko, Yusuke Ida, Katsuo Oshima, and Hiroko Miura. 2021. "Are Public Oral Care Services Evenly Distributed?—Nation-Wide Assessment of the Provision of Oral Care in Japan Using the National Database of Health Insurance Claims" International Journal of Environmental Research and Public Health 18, no. 20: 10850. https://doi.org/10.3390/ijerph182010850

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