Relationship between folic acid intake and gingival health in non-smoking adults in Japan

M. Esaki, M. Morita, R. Akhter, K. Akino, O. Honda

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Objective: To assess the relationship between dietary intake of folate and gingival bleeding in non-smoking adults in Japan. Materials And Methods: Data were obtained from residents who participated in the regional nutrition survey and survey of dental diseases conducted by the administrative office of northernmost prefecture of Japan. Dietitians visited households to collect data on dietary intake. Clinical parameters, including Community Periodontal Index (CPI) and bleeding on probing (BOP), were examined in community centers. Information on smoking habit was obtained from the interview. Then the data from 497 non-smoking adults with 20 teeth or more, aged 18 years or older, were analyzed. The relationship between dietary intake of folic acid and gingival bleeding status was estimated using multivariate analysis. Results: Pearson's correlation coefficient showed a significant negative correlation between dietary folate level and bleeding on probing. The negative association between folate level and bleeding on probing remained statistically significant in multiple regression analysis (standardized β = -0.204, P < 0.001). However, no significant association was found between CPI scores and folate intake level. Conclusions: The results suggest that dietary intake of folic acid, an important indicator of gingival bleeding in adults, may provide an important clinical target for intervention to promote gingival health.

Original languageEnglish
Pages (from-to)96-101
Number of pages6
JournalOral Diseases
Volume16
Issue number1
DOIs
Publication statusPublished - Jan 1 2010

Keywords

  • Adults
  • Folic acid
  • Gingivitis
  • Non-smoker

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Dentistry(all)

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