Oral Health Promotion under the 8020 Campaign in Japan—A Systematic Review

Sachiko Takehara, Raksanan Karawekpanyawong, Hikaru Okubo, Tin Zar Tun, Aulia Ramadhani, Fania Chairunisa, Azusa Tanaka, F. A.Clive Wright, Hiroshi Ogawa

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

(1) Background: The aim of this study is to review the benefits of the 8020 Campaign since its inception. (2) Methods: We followed the PRISMA guideline and collected information regarding the 8020 Campaign through online database searches. (3) Results: Twenty-five studies met the inclusion criteria and were eligible for analysis. The main outcomes of the 25 included studies were reviewed. The quality evaluation demonstrated a range of studies showing a credible relationship between masticatory function, number of teeth, salivary secretion, frequent dental check-ups, and general health concerns. Due to the risk of bias, publication bias, and indirectness, 22 studies were considered that only had “fair” quality. (4) Conclusions: The 8020 Foundation funded several of the studies, and other research papers noted the 8020 Campaign in their papers, however there were no clear explanations for any direct relationship between their findings and the 8020 Campaign. As a result, evidence for the direct effectiveness and benefits assessment of the 8020 Campaign positive outcomes were compromised by confounding social and economic variables over the 30-year period. To fully elucidate how improvement in Japan’s oral health was directly related to the 8020 Campaign, a more informed and systematic explanation of the campaign’s structure and activities is required.

Original languageEnglish
Article number1883
JournalInternational Journal of Environmental Research and Public Health
Volume20
Issue number3
DOIs
Publication statusPublished - Feb 2023
Externally publishedYes

Keywords

  • 8020
  • Japan
  • health policy
  • oral health
  • the 8020 Campaign
  • tooth loss

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