A 2‐year longitudinal study of the relationship between masticatory function and progression to frailty or pre‐frailty among community‐dwelling Japanese aged 65 and older

Horibe, Yasuhiro; Ueda, Takayuki; Watanabe, Yutaka; Motokawa, Köiti; Edahiro, Ayako; Hirano, Hirohiko; Shirobe, Maki; Ogami, Koichiro; Kawai, Hisashi; Obuchi, Shuichi; Kim, Hunkyung; Sakurai, Kazuo

doi:10.1111/joor.12700

Cited by 58 publications

(72 citation statements)

References 28 publications

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“…Among the longitudinal studies, Horibe et al reported that walking speed was significantly associated with decreasing occlusal force, but that hand grip strength and skeletal muscle index (SMI) were not significantly associated with decreasing occlusal force [24]. Tanaka et al found no significant association between occlusal force and the onset of sarcopenia [33].…”

Section: Occlusal Forcementioning

confidence: 99%

“…Mastication was evaluated by subjective or objective methods. Subjective masticatory ability was evaluated by questions about chewable food [12,13,16,19,20,24] or by asking participants to state how many of the 15 listed foods were chewable [11,15]. Objective masticatory performance was evaluated by assessing participants' ability to chew a piece of colored chewing gum [19,24,30] or a gummy jelly [23,33].…”

Section: Masticationmentioning

confidence: 99%

“…Some reports have shown relationships between oral health and hand grip strength [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24], walking speed [19][20][21][24][25][26], and skeletal muscle mass [13,19,22,24,27,28,29], which are measurements used in the diagnosis of sarcopenia. Despite the increasing number of reports that have appeared about the association between oral health and sarcopenia [27,[30][31][32][33][34][35], the details of this relationship remain poorly discussed.…”

Section: Introductionmentioning

confidence: 99%

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Association between oral health and sarcopenia: A literature review

Hatta

Ikebe

2021

J Prosthodont Res

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Purpose: Sarcopenia has recently been attracting attention as an early sign of the need for nursing care in older adults. Some studies have reported that oral health is related to sarcopenia and its diagnostic factors (hand grip strength, walking speed, and skeletal muscle mass). However, the relationship between oral health and sarcopenia remains poorly investigated and no review to date has compiled the available research on this relationship. The aim of this review was to summarize the current evidence describing the association between oral health and sarcopenia. Study selection: The internet database PubMed was searched using various combinations of related and synonymous keywords for "oral" or "dental" or "oral health" or "oral function" and "sarcopenia" or "walking speed" or "hand grip strength" or "skeletal muscle mass." A total of 27 studies found to be eligible were critically evaluated and their key findings were summarized. Results: Most of the studies were cross-sectional and conducted in Japan. A wide range of oral factors, including number of teeth, occlusal support, periodontal state, occlusal force, mastication, tongue pressure, and swallowing, were covered. The overall findings were that oral health indices could be significantly associated with sarcopenia and its diagnostic factors. Conclusions: Relationships may exist between aspects of oral health and sarcopenia or its diagnostic factors. However, reports showing associations between oral health and sarcopenia are scarce, and definitive conclusions could not be drawn. Further longitudinal studies are necessary to confirm these relationships.

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Section: Occlusal Forcementioning

confidence: 99%

Section: Masticationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Association between oral health and sarcopenia: A literature review

Hatta

Ikebe

2021

J Prosthodont Res

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“…In recent years, various cross-sectional and longitudinal studies have shown that frailty in community-dwelling older people is associated with decreases in oral functions such as occlusal force, tongue pressure and masticatory function. [9][10][11][12] Various items contribute to oral function; however, no standardized evaluation criteria for multiple oral functions have been determined. There is also little information on the effects of a combination of decreased oral functions on frailty.…”

Section: Introductionmentioning

confidence: 99%

Oral hypofunction and its association with frailty in community‐dwelling older people

Shimazaki

Nonoyama

Tsushita

et al. 2020

Geriatrics Gerontology Int

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This large epidemiological survey of older people examined oral hypofunction and the relationship between oral hypofunction and frailty. Methods: Participants were community-dwelling adults aged 65-85 years in Japan. The oral function evaluation included seven items (oral hygiene, oral dryness, occlusal force, tonguelip motor function, tongue pressure, masticatory function and swallowing function), and oral hypofunction was defined as having abnormalities in at least three of these items. The frailty status was classified into three categories (robust, pre-frail and frail) according to the total Kihon Checklist score. We analyzed 978 subjects with complete data. The relationship between oral function and frailty status was analyzed using multivariate multinomial logistic regression analyses. Results: Approximately 60% of the older adults had oral hypofunction. The multivariate odds ratios (ORs) for a pre-frail or frail status were significantly higher for older people with reduced occlusal force, reduced tongue-lip motor function and deteriorated swallowing function than in those without deterioration of those items. Of the oral function items, swallowing function was most strongly associated with the frailty status, and the ORs (95% confidence interval [CI]) for deteriorated swallowing function in pre-frail and frail patients were 6.4 (3.9-10.8) and 10.2 (5.4-19.1), respectively. Those with oral hypofunction had significantly higher adjusted ORs for pre-frail (OR 1.4, 95% CI 1.1-2.0) and frail (OR 2.1, 95% CI 1.2-3.5) statuses. Conclusion: Many community-dwelling older people have reduced oral function or oral hypofunction, which is significantly associated with frailty in older people. Geriatr Gerontol Int 2020; 20: 917-926.

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“…In the field of dentistry, there have been many studies regarding oral health status in frail older adults and a possible association between poor oral health conditions and frailty . However, there have been very few studies regarding frailty in the oral and maxillofacial regions, and there are no universally accepted indices or tools for evaluating the presence and severity of oral and maxillofacial frailty.…”

Section: Introductionmentioning

confidence: 99%

Development of an Oral and Maxillofacial Frailty Index: A preliminary study

Choi

Kang

Koh

et al. 2019

J of Oral Rehabilitation

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Objective The purpose of this study is to develop an index to measure oral and maxillofacial frailty in older adults as an acceptable screening tool. Methods Three hundred adults (aged ≥ 50 years) participated in this study by telephone interview. Ten candidate items for the Oral and Maxillofacial Frailty Index (OMFI) and 20 matched detailed items for oral and maxillofacial functions were asked. Information about sociodemographic and oral health‐related variables was also obtained. The test‐retest reliability of the 10 candidate items was determined. Correlations of the 10 candidate items with the 20 detailed items or sociodemographic and oral health‐related variables were analysed to test the validity of the candidate items. To suggest optimal items for the OMFI, five different models with different numbers of items were constructed and evaluated based on their associations with main variables. Results The overall internal consistency of the 10 candidate items was .704, and the Cronbach's alpha value of each item was .23‐.55. The test‐retest reliability was excellent. There were significant correlations between the 10 candidate and 20 matched detailed items. The score of the 10 candidate items was significantly different according to gender, education level and oral health‐related variables. The final five items for the OMFI were difficulties in chewing, the necessity of water when eating dry food, difficulties in jaw or tongue movements, difficulties in speaking or pronunciation and difficulties in facial expression. Conclusions The five items could be used as a screening tool for evaluating oral and maxillofacial frailty in older adults.

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A 2‐year longitudinal study of the relationship between masticatory function and progression to frailty or pre‐frailty among community‐dwelling Japanese aged 65 and older

Cited by 58 publications

References 28 publications

Association between oral health and sarcopenia: A literature review

Association between oral health and sarcopenia: A literature review

Oral hypofunction and its association with frailty in community‐dwelling older people

Development of an Oral and Maxillofacial Frailty Index: A preliminary study

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