Effects of self-assessed chewing ability, tooth loss and serum albumin on mortality in 80-year-old individuals: a 20-year follow-up study

Nomura, Yasuo; Kakuta, Erika; Okada, Ayako; Otsuka, Ryoko; Shimada, Mieko; Tomizawa, Yasuko; Taguchi, Chieko; Arikawa, Kazumune; Daikoku, Hideki; Satô, Tamotsu; Hanada, Nobuhiro

doi:10.1186/s12903-020-01113-7

Cited by 28 publications

(40 citation statements)

References 53 publications

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“…Several studies have shown that oral functions and number of remaining teeth have statistically significant correlation with the mortality of older adults [ 10 ]. However, the number of remaining teeth was conflicting.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, oral functions, especially masticatory function, can be the predicator for mortality. A study has shown that oral function and serum levels albumin, which represent the nutritional status, affect mortality independently [ 10 ]. In this study, nutritional status had correlation with oral health behavior, which reflects health literacy.…”

Section: Discussionmentioning

confidence: 99%

“…Poor masticatory function leads to imbalanced food intake and undesirable nutritional status that can lead to chronic systemic illness. Especially in older persons, a relationship between masticatory function and mortality has been suggested [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

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Nutritional Status and Oral Frailty: A Community Based Study

Nomura

Ishii²,

Suzuki³

et al. 2020

Nutrients

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Compromised oral health can alter food choices. Poor masticatory function leads to imbalanced food intake and undesirable nutritional status. The associations among nutritional status, oral health behavior, and self-assessed oral functions status were investigated using a community-based survey. In total, 701 subjects more than 50 years old living Ebina city located southwest of the capital Tokyo were investigated. The number of remaining teeth was counted by dental hygienists. Oral health behavior and self-assessed oral functions were evaluated by oral frailty checklist. Nutritional status was evaluated by the brief-type self-administered diet history questionnaire using Dietary Reference Intakes for Japanese as reference. More than 80% of subjects’ intakes of vitamin B12, pantothenic acid, copper, and proteins were sufficient. In contrast, only 19% of subjects’ intake of vitamin A was sufficient and 35.5% for vitamin B1. More than 90% of subjects’ intakes of vitamin D and vitamin K were sufficient. Only 35.5% of subjects’ intakes of dietary fiber were sufficient. Overall, 88.9% of subjects had excess salt. The number of remaining teeth was not correlated with nutritional intakes. Oral health behavior significantly correlated with nutritional intakes. Oral functions are important for food choice; however, oral functions were not directly correlated with nutritional intakes. Comprehensive health instructions including nutrition and oral health education is necessary for health promotion.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Nutritional Status and Oral Frailty: A Community Based Study

Nomura

Ishii²,

Suzuki³

et al. 2020

Nutrients

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“…The three-parameter logistic model by item response theory (IRT) was used to identify items and calculate discriminations, difficulty, and guessing for each tooth type [ 34 , 35 , 36 , 37 , 38 ].…”

Section: Methodsmentioning

confidence: 99%

Tooth-Level Analysis of Dental Caries in Primary Dentition in Myanmar Children

Nomura

Otsuka

Wint

et al. 2020

IJERPH

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In developing countries, the prevalence of dental caries in children remains high, which means that implementing a simple and convenient classification is critical. The classification needs to be evidence-based and needs to reflect tooth-level information. In this study, the prevalence of dental caries in the primary dentition of 352 Myanmar school children at the ages of 5, 6, and 7 was analyzed at the tooth level to clarify the underlying data structure of the patterns of dental caries in the population. Ninety-three percent of subjects had caries in primary dentition and the mean number of decayed teeth in primary dentition was 7.54 ± 4.82. Based on the item response theory analysis, mixed-effect modeling, and Bayesian network analysis, we proposed the following classification: Group 1: No dental caries; Group 2: Dental caries in molar teeth or dental caries in maxillary anterior teeth; Group 3: Dental caries in both molar and maxillary anterior teeth; Group 4: Dental carries in mandibular anterior teeth. Dental caries (dmft) in the groups was different between groups. The results of characteristics of tooth-level information and classification presented in this study may be a useful instrument for the analysis of the data of dental caries prevalence in primary dentition.

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“…We visited their homes at 10:00 in the morning to minimize the effect of food intake. Details of the survey were described in our previous report [27,28,37,38].…”

Section: Subject and Settingmentioning

confidence: 99%

Oral Microbiome in Four Female Centenarians

et al. 2020

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The oral microbiome of healthy older adults has valuable information about a healthy microbiome. In this study, we collected and analyzed the oral microbiome of denture plaque and tongue coating samples from four female centenarians. After DNA extraction and purification, pyrosequencing of the V3–V4 hypervariable regions of the 16S rRNA was carried out. The bacterial taxonomy for each lead was assigned based on a search of the EzBioCloud 16S database. We obtained a total of 199,723 valid, quality-controlled reads for denture plaque and 210,750 reads for tongue coating. The reads were assigned 407 operational taxonomic units with a 97% identity cutoff. Twenty-nine species were detected in both denture plaque and tongue coatings from all subjects. Firmicutes was the most abundant phylum; the Streptococcus salivarius group was the most abundant species in both the denture plaque and tongue coatings; and the Fusobacterium nucleatum group was detected in all subjects. In the bacterial profile, species formed clusters composed of bacteria with a wide range of prevalence and abundance, not dependent on phyla; each cluster may have specific species that could be candidates for a core microbiome. Firmicutes and Veillonella were abundant phyla on both plaque and tongue coatings of centenarians.

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Effects of self-assessed chewing ability, tooth loss and serum albumin on mortality in 80-year-old individuals: a 20-year follow-up study

Cited by 28 publications

References 53 publications

Nutritional Status and Oral Frailty: A Community Based Study

Nutritional Status and Oral Frailty: A Community Based Study

Tooth-Level Analysis of Dental Caries in Primary Dentition in Myanmar Children

Oral Microbiome in Four Female Centenarians

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