Rehabilitation of lost teeth related to maintenance of cognitive function

Shin, Moon Sam; Karna, Sandeep; Kim, Hyun-Duck

doi:10.1111/odi.12960

Cited by 17 publications

(12 citation statements)

References 40 publications

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“…Low masticatory ability due to tooth loss had a negative effect on nutritional status [ 7 ]. Rehabilitation of lost teeth could reduce the risk of cognitive impairment because it could potentially increase the occlusal force [ 8 ]. These statistics outline that the dental problems could be related to occlusal force, which indicated that total occlusal force is important.…”

Section: Introductionmentioning

confidence: 99%

Gender and age group modified association of dental health indicators with total occlusal force among Korean elders

Lee

Kim

2021

BMC Oral Health

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Background This study aimed to investigate the distribution of objective total occlusal force (TOF) and its association with dental health indicators: dental status, number of natural teeth (NT), natural and rehabilitated teeth, natural posterior teeth (NT-Post), and natural and rehabilitated posterior teeth among Korean elders after controlling for various confounders encompassing socio-demographic factors, behavioral factors and health/oral health factors. Methods This cross-sectional study recruited 551 elders from the Sungbook-Gu health education cohort. TOF was measured using Prescale II as an outcome variable. Dental health indicators assessed by dentists were the main explanatory variables. Analysis of covariance and multivariable linear regression models were applied to evaluate the adjusted association of dental health indicators with TOF. Gender and age group stratified analyses were also applied. Result TOF was higher in dentate elders than denture wearers in males and younger elders. The adjusted mean of TOF and standard error was 464.24 ± 17.15 N for dentate elders, 297.15 ± 28.85 N for partial denture wearers, 280.42 ± 47.71 N for complete denture wearers. Among all dental health indicators, NT-Post showed the highest association with TOF (partial r = 0.330, p < 0.001, R2 = 0.15), followed by NT (partial r = 0.329, p < 0.001, R2 = 0.16). Older elders highlighted the association of NT (partial r = 0.37, p < 0.001, R2 = 0.18). Males decreased the association of NT (partial r = 0.30, p < 0.001, R2 = 0.20) and NT-Post (partial r = 0.29, p < 0.001, R2 = 0.20). Conclusion TOF was significantly associated with dental health indicators, and its association was modified by sex and age group.

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Section: Introductionmentioning

confidence: 99%

Gender and age group modified association of dental health indicators with total occlusal force among Korean elders

Lee

Kim

2021

BMC Oral Health

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“…In addition, contradicting findings between oral health and cognition could be attributed to the fact that most previous studies did not adjust their analyses for either dental rehabilitation or masticatory function. 11 The studies that addressed these oral health conditions evaluated the onset of dementia, and used a combination of baseline self-reported number of teeth and use of dentures as the oral health measures. [13][14][15][16] Yang et al reported a significant interaction of tooth loss and denture use with the onset of dementia.…”

Section: Discussionmentioning

confidence: 99%

“…9 Regarding cognitive impairment, cross-sectional studies evaluated the association between this condition and chewing ability, 10 and the number of teeth with or without the use of dental prostheses. 11 Limited findings are available from prospective cohort studies. After adjustment for covariates, two studies suggested no association between cognitive impairment with the use of dental prostheses and number of teeth, 12,13 whereas others reported a significant association with a lower risk of dementia among individuals wearing dentures.…”

Section: Introductionmentioning

confidence: 99%

Tooth loss, dental prostheses use and cognitive performance in older Brazilian adults: The SABE cohort study

Andrade

Oliveira

Duarte

et al. 2021

Geriatrics Gerontology Int

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To investigate the within-and between-person longitudinal effects of tooth loss and the use of dentures, clinically assessed by dentists, on cognitive decline in a representative sample of community-dwelling older Brazilian adults. Methods: Data came from 1265, 1112 and 1021 individuals aged ≥60 years who participated in the second (2006), third (2010) and fourth (2015) waves, respectively, of the Health, Well-being and Aging study (SABE). Cognitive performance was evaluated with the abbreviated version of the Mini-Mental State Examination (MMSE).The number of natural teeth was classified according to three categories: none, 1-19 and ≥20 teeth. The presence of removable full or partial dentures in each dental arch (yes/no) was recorded. Hybrid regression models, adjusted for sociodemographic, behavior and health-related covariates, were used to estimate the between-and within-person effects of the longitudinal association between cognitive performance and oral health.Results: Participants with 1-19 and no teeth had, respectively, 1.15 (95% CI 0.65-1.66) and 1.54 (95% CI 0.99-2.09) units lower MMSE score than those with ≥20 teeth. Denture wearers had 1.54 (95% CI 1.13-1.95) units greater MMSE score than non-denture wearers, and those who started wearing dentures during the follow up had 0.83 (95% CI 0.21-1.45) units greater MMSE score after the transition. Conclusion:Our main findings showed that the use of dental prostheses might be a protective factor for cognitive decline.

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“…Tooth loss due to periodontitis was determined using interviews by dentists. Established periodontitis was classified into two groups: No (healthy or stage I–II) and Yes (stage III–IV) [ 36 ].…”

Section: Methodsmentioning

confidence: 99%

Development a new chewing problem directory and its validation for Korean elders

Lee

Kim

2022

BMC Oral Health

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Objectives This study aimed to develop a new chewing problem directory (CPD) and validate it with oral health indicators such as total occlusion force, number of natural and rehabilitated teeth (NRT), NRT posterior, natural teeth, natural teeth posterior, and dental status among Korean elders. Background Chewing problem is the main oral health problem in elders. However, there has been no validated tool using both subjective and objective assessment of chewing problem. Subjects and methods A total of 537 participants aged 65 years or more were randomly assigned into 2 subsamples: developing sample (n = 260) for developing and internally validating the new CPD as the 1st stage and confirmation sample (n = 277) for confirming validation of CPD as the 2nd stage. CPD was developed using three subjective questionnaires (general eating, chewing nuts, and chewing meat problem) and objective NRT. Periodontitis, age, sex, education, smoking, alcohol drinking, metabolic syndrome, and frailty were considered as confounders. Following the development of CPD, CPD was validated using multiple multivariable logistic regression after controlling for confounders in confirmation sample and total sample. Results The Cronbach’s alpha value for three subjective questionnaires of CPD was 0.87. Among oral health indicators, NRT (0–28) showed the highest impact association with subjective chewing problem score (partial r = − 0.276). The chewing problem from the new CPD was associated with all items of oral health indicators. The prevalence of chewing problems by CPD was 57.7% in developing sample. Elders with NRT ≤ 24, compared with those with NRT ≥ 25, showed the highest impact on chewing problems by new CPD (Odds Ratio = 7.3 in the confirmation sample and 5.04 in the total sample, p < 0.05) among oral health indicators. Conclusion This new CPD was developed as a valid tool to evaluate the chewing problem for Korean elders in dental clinics and community-based settings.

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Rehabilitation of lost teeth related to maintenance of cognitive function

Abstract: Our data showed that NRLT was independently associated with CI. Hence, rehabilitation of the lost teeth could be important for the maintenance of cognitive function.

Cited by 17 publications

References 40 publications

Gender and age group modified association of dental health indicators with total occlusal force among Korean elders

Gender and age group modified association of dental health indicators with total occlusal force among Korean elders

Tooth loss, dental prostheses use and cognitive performance in older Brazilian adults: The SABE cohort study

Development a new chewing problem directory and its validation for Korean elders

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