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Mediating effect of periodontal health on the relationship between mental health and oral health-related quality of life in adults aged 40 years or older

  • Journal of Korean society of Dental Hygiene
  • Abbr : J Korean Soc Dent Hyg
  • 2024, 24(6), pp.589-596
  • DOI : 10.13065/jksdh.20240607
  • Publisher : Korean Society of Dental Hygiene
  • Research Area : Medicine and Pharmacy > Dentistry
  • Received : September 22, 2024
  • Accepted : October 29, 2024
  • Published : December 30, 2024

김소희 1 배성숙 2 강민경 2 정나래 2 이미라 2

1한서대학교 일반대학원 치위생학과
2한서대학교 치위생학과

Accredited

ABSTRACT

Objectives: In this study, we investigated the mediating effect of periodontal health on the relationship between mental health and oral health-related quality of life in adults aged 40 years or older. Methods: This study was conducted from June 3 to July 24, 2024. We analyzed the data of 339 adults aged 40 years or older statistically. Multiple regression analysis was conducted according to a three-step procedure to determine the mediating effect of periodontal health on the influence of mental health on oral health-related quality of life. Results: In Model I, depression had a statistically significant effect on periodontal health. In Model II, depression and cognitive function were statistically significant factors in the OHIP-14 scores. In Model III, periodontal health was a statistically significant factor in the OHIP-14 scores. In addition, periodontal health had a complete mediating effect on the relationship between depression and OHIP-14 scores. Conclusions: Depression and periodontal health are directly or indirectly related to the quality of life of adults aged 40 years and older. Therefore, ways to improve the mental and oral health of adults should be identified, in order to improve their quality of life after middle age.

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