Journal of Korean Academy of Oral Health 2018; 42(4): 216-223
Published online December 30, 2018 https://doi.org/10.11149/jkaoh.2018.42.4.216
Copyright © Journal of Korean Academy of Oral Health.
Hyo-Jung Jung1, Yong-Guang Min1, Hyo-Jung Kim2,3, Joo-Young Lee 2,3, Eun-Song Lee2,3, Baek-Il Kim2,3, Hyung-Joon Ahn1
Departments of 1Orofacial Pain & Oral Medicine, 2Preventive Dentistry & Public Oral Health, 3BK21 PLUS Project, Yonsei University College of Dentistry, Seoul, Korea
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: Mastication, Masticatory ability, MAI, KFIA, Oral health, Elderly
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