Journal of Korean Academy of Oral Health

The Korean Academy of Preventive Dentistry and Oral Health (대한예방치과·구강보건학회)
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Factors affecting objective and subjective masticatory ability assessment of Korean elderly people

한국 노인의 객관적·주관적 저작능력 평가에 영향을 미치는 요인

  • Jung, Hyo-Jung (Department of Orofacial Pain & Oral Medicine, Yonsei University College of Dentistry) ;
  • Min, Yong-Guang (Department of Orofacial Pain & Oral Medicine, Yonsei University College of Dentistry) ;
  • Kim, Hyo-Jung (Department of Preventive Dentistry & Public Oral Health, Yonsei University College of Dentistry) ;
  • Lee, Joo-Young (Department of Preventive Dentistry & Public Oral Health, Yonsei University College of Dentistry) ;
  • Lee, Eun-Song (Department of Preventive Dentistry & Public Oral Health, Yonsei University College of Dentistry) ;
  • Kim, Baek-Il (Department of Preventive Dentistry & Public Oral Health, Yonsei University College of Dentistry) ;
  • Ahn, Hyung-Joon (Department of Orofacial Pain & Oral Medicine, Yonsei University College of Dentistry)
  • 정효정 (연세대학교 치과대학 구강내과학교실) ;
  • 민영광 (연세대학교 치과대학 구강내과학교실) ;
  • 김효정 (연세대학교 치과대학 예방치과학교실) ;
  • 이주영 (연세대학교 치과대학 예방치과학교실) ;
  • 이은송 (연세대학교 치과대학 예방치과학교실) ;
  • 김백일 (연세대학교 치과대학 예방치과학교실) ;
  • 안형준 (연세대학교 치과대학 구강내과학교실)
  • Received : 2018.11.22
  • Accepted : 2018.12.20
  • Published : 2018.12.30
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Abstract

Objectives: The purpose of the study was to investigate factors affecting the assessment of objective and subjective masticatory ability in the elderly, and to evaluate masticatory ability assessment more accurately. Methods: A total of 112 participants were recruited after oral examination in senior citizen welfare facilities. The participants' masticatory ability was evaluated objectively (Mixing ability index; MAI), and subjectively (Key food intake ability; KFIA). Participants' general characteristics and oral health-related variables were also recorded. Based on masticatory ability assessment, participants were classified as either high or low. IBM SPSS Statistics Ver.23.0 was used for all analyses, including descriptive statistics, Chi-square test, Mann-Whitney U test, Spearman rank correlation, and Logistic regression analysis. Results: Higher masticatory ability was positively correlated with higher scores on MAI and KFIA. Additionally, there was a significant positive correlation between MAI and KFIA. When analyzing factors affecting objective and subjective masticatory ability assessments, Functional tooth units (FTUs) were revealed as a related factor. In subjective masticatory ability assessment, oral moisture, difficulty in chewing, and the Geriatric Oral Health Assessment Index (GOHAI) were also influential factors. Conclusions: In order to accurately assess masticatory ability, it is necessary to use both objective and subjective measures. Additionally, to improve the masticatory ability in the elderly, treatment should be provided to improve overall oral health and satisfaction.

Keywords

Acknowledgement

Supported by : Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry(IPET)

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