Masticatory performance and other oral functions in community-dwelling elderly patients without posterior occlusal support by natural teeth

Ogino, Yoichiro; Suzuki, Hiroki; Ayukawa, Yasunori; Ueno, Yoko; Jinnouchi, Akio; Koyano, Kiyoshi

doi:10.2334/josnusd.21-0265

Cited by 6 publications

(5 citation statements)

References 36 publications

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“…As is known from a previous study, MITP declines with age 13 . In addition, MITP is reported to be lower in older people who wear complete dentures than in older dentate people 14 . These previous studies support the results of the present study.…”

Section: Discussionsupporting

confidence: 92%

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Relationship between maximal isometric tongue pressure and limit of fracture force of gels in tongue squeezing

Murakami,

Kasakawa,

Hori

et al. 2023

J of Oral Rehabilitation

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BackgroundThere is no clear objective indicator for selecting soft foods that are required for food bolus formation in older people with impaired oral function.ObjectiveThis study aimed to investigate the relationship between maximal isometric tongue pressure (MITP) and the mechanical properties of gels that can be crushed by the tongue.MethodsThis study included 65 healthy participants aged 22–96 (young group; 15 males, 15 females; older dentate group; 7 males, 8 females; older edentulous group; 10 males, 10 females). MITP was measured by the balloon‐probe device. Agar gel with 10 different kinds of fracture force from 10N to 100N was used. The limit of fracture force of gels (LFFG) that were crushed by the tongue was measured by the up‐and‐down method. In the older edentulous group, two items were measured with and without dentures. Spearman's rank correlation coefficient was used to evaluate the relationship between MITP and LFFG in each group (p < .05).ResultsThere were positive correlations between MITP and LFFG in all groups (overall groups: rs = .66, young group: rs = .46, older dentate group: rs = .61, older edentulous group with dentures: rs = .60, older edentulous group without dentures: rs = .47).ConclusionMITP and LFFG were positively correlated in young, older dentate and older edentulous groups, suggesting that MITP has the potential to be an objective indicator of the range of mechanical properties of soft food that can be crushed by the tongue.

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Section: Discussionsupporting

confidence: 92%

“…13 In addition, MITP is reported to be lower in older people who wear complete dentures than in older dentate people. 14 These previous studies support the results of the present study. LFFG was also highest in the young group, followed by the older dentate group and the older edentulous group.…”

Section: F I G U R Esupporting

confidence: 92%

Relationship between maximal isometric tongue pressure and limit of fracture force of gels in tongue squeezing

Murakami,

Kasakawa,

Hori

et al. 2023

J of Oral Rehabilitation

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“…Eating is the foundation of human life. The ability of older people to eat is supported by a wide variety of factors related to tooth and oral functions, such as the number of teeth present, masticatory strength, swallowing function, and occlusal support 1 . To increase awareness of the importance of oral function in the Japanese population, the concept of oral frailty has been introduced.…”

Section: Introductionmentioning

confidence: 99%

Relationship between risk of oral frailty and awareness of oral frailty among community-dwelling adults: a cross-sectional study

Irie,

Mochida,

Altanbagana

et al. 2024

Sci Rep

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We aimed to investigate the relationship between the risk of oral frailty and awareness of oral frailty among Japanese adults in an adult dental health field study conducted in Kanagawa Prefecture. Questionnaire data from a total of 5051 individuals (1907 males, 3144 females; mean age; 59.9 years) were used. The risk of oral frailty was assessed using the Oral Frailty Index-8. Of the participants, 1418 (28.1%) had a high risk of oral frailty and 1495 (29.6%) had knowledge of oral frailty. Logistic regression analysis indicated that the risk of oral frailty was significantly associated with awareness of oral frailty. We further found that awareness of oral frailty was significantly related to gender (female), age (20–39 compared to 70–79, ≥ 80), residential areas (Yokohama compared to Kawasaki, Sagamihara), exercise habits (yes), eating a balanced diet (yes), consciousness of oral health (yes), risk of oral frailty (low) and outpatient category (hospital visit). For groups with low levels of awareness obtained from the results of this study, it is necessary to consider the means of accessibility and increase awareness further.

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“…One of the factors that strongly influence the decline of masticatory function is the decrease in the number of teeth. 1,2 In addition to these factors, various other factors such as occlusal force, 3,4 tongue pressure, 5,6 and tongue-lip motor function 7 have been reported to be related to masticatory function. Many of these factors decrease or decline with age, resulting in the decline in masticatory function.…”

Section: Introductionmentioning

confidence: 99%

Factors related to subjective evaluation of difficulty in chewing among community‐dwelling older adults

Seto,

Kosaka,

Hatta

et al. 2023

Geriatrics Gerontology Int

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AimAwareness of difficulty chewing may limit the diversity of food intake in older adults. However, few studies have clarified which factors are related to subjective difficulty in chewing. The aim was to identify factors related to subjective difficulty in chewing in 70‐ and 80‐year‐old Japanese older adults.MethodsA total of 1680 participants (792 men, 888 women) were surveyed. Difficulty in chewing was assessed with questionnaires regarding food intake, such as rice, apples, beef, and hard rice crackers. The participants were classified into two groups, the “with difficulty” group (participants who answered “cannot eat,” “can eat with difficulty,” and “can eat if small”) and the “without difficulty” group (participants who answered “can eat without problems”), according to their answers to questionnaires for each food. A logistic regression analysis with subjective difficulty in chewing as the dependent variable was performed for each food.ResultsSubjective difficulty in chewing was associated with age, occlusal force, and depression for rice; age, number of remaining teeth, occlusal force, and depression for apples; number of remaining teeth, occlusal force, and depression for beef; and number of remaining teeth and occlusal force for hard rice crackers.ConclusionsAge, number of remaining teeth, and occlusal force, as well as depression, might be related to subjective evaluation of difficulty chewing in community‐dwelling Japanese older adults. Geriatr Gerontol Int 2023; ••: ••–••.

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Masticatory performance and other oral functions in community-dwelling elderly patients without posterior occlusal support by natural teeth

Cited by 6 publications

References 36 publications

Relationship between maximal isometric tongue pressure and limit of fracture force of gels in tongue squeezing

Relationship between maximal isometric tongue pressure and limit of fracture force of gels in tongue squeezing

Relationship between risk of oral frailty and awareness of oral frailty among community-dwelling adults: a cross-sectional study

Factors related to subjective evaluation of difficulty in chewing among community‐dwelling older adults

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