掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

Abstract

Background

While research has explored the risk of periodontal disease in various eye conditions, the link between dry eye and periodontal disease remains underexplored, especially in Japanese adults. This study aims to investigate the association between dry eye and periodontal disease in community-dwelling Japanese adults.

Methods

This study is a subset of the Uonuma cohort study, which includes Japanese adults aged 40 years and older residing in the Uonuma area of Niigata Prefecture, Japan. Participants completed a self-administered, paper-based questionnaire. Statistical analyses, including the chi-square test, independent t test, ANOVA test, and logistic regressions, were employed to assess the association of periodontal disease with independent variables.

Results

Among 36,488 participants (average age 63.3 years, 47.4% men), 39.3% had a history of periodontal disease, and gender differences were statistically significant (p < 0.001). Significant associations were found between periodontal disease and dry eye diagnosis or symptoms. Univariable logistic regression revealed links between periodontal disease and age, gender, living status, alcohol consumption, remaining teeth, bite molar availability, and history of dry eye disease or symptoms. Multiple-adjusted regression found that doctor-diagnosed dry eye was associated with a higher likelihood of periodontal disease (odds ratio, 1.12; 95% confidence interval, 1.03–1.22). Participants who never experienced dryness or foreign body sensation had lower ORs of periodontal disease than those who always experienced such symptoms across all models.

Conclusion

A significant correlation was found between dry eye and periodontal disease in Japanese adults. Regular check-ups, early detection, and effective management of both conditions are strongly recommended.

DOI： 10.1186/s12903-023-03773-7

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その他リンク： https://link.springer.com/article/10.1186/s12903-023-03773-7/fulltext.html

記述言語：日本語   出版者・発行元：新潟歯学会  

【目的】患者の不安や恐怖は歯科受診行動を阻害する可能性がある。患者の不安や恐怖の関連要因として診療内容や歯科衛生士を含むスタッフの対応,歯科医院の環境などが挙げられる。本研究は,歯科衛生士業務を含む歯科治療に対する不安とその要因を明らかにすることを目的とした。【方法】歯科診療所通院患者に質問紙調査を行い,有効回答が得られた234名を分析対象とした。調査項目は対象者特性,Modified Dental Anxiety Scale日本語版(MDAS-J),不安を感じる場面や歯科衛生士の業務に関するものである。患者の不安と関連する要因を検討するために,従属変数をMDAS-J合計点,独立変数をその他の調査項目としてPoisson分析を行った。【結果および結論】分析の結果,男性は女性に比べてMDAS-J合計点が有意に低かった(Ratios of Means,RM:0.89,p<0.01)。年齢階級では,80-99歳の階級に比べ20-39歳(RM:1.37),40-59歳(1.33),60-79歳(1.27)で,MDAS-J合計点が有意に高かった(p<0.05)。歯科衛生士業務は患者の不安と有意な関連が認められなかった。歯科診療所通院患者234名を対象とし,不安の要因について分析したところ,歯科衛生士業務が与える不安感はMDAS-Jを用いて評価される不安感と有意な関連を示さなかった。(著者抄録)

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: To investigate the association between plasma antibody levels against Porphyromonas gingivalis (PG) and atrial fibrillation (AF) history in community-dwelling older individuals in Japan. MATERIALS AND METHODS: This study was a subset of the Uonuma cohort study, including 3091 participants aged 60-79 years. Data were collected, including AF history as a dependent variable, plasma immunoglobulin G antibody levels against PG as an independent variable, and previously reported AF risk factors and demographic information as covariates. RESULTS: The median age of the participants was 69 years. Of the 3091 participants, 1411 (45.6%) were men, and 56 (1.8%) had an AF history. AF prevalence was significantly higher in participants with higher antibody levels against PG than in those with lower antibody levels (3.0% vs 1.4%; p = 0.005). Multivariable logistic regression analysis showed that participants with higher antibody levels against PG had twofold higher odds of having AF (odds ratio = 2.13; 95% confidence interval = 1.23-3.69). Restricted cubic spline analysis indicated a nonlinear relationship between antibody levels against PG and AF history. CONCLUSION: Plasma antibody levels against PG were associated with AF history in community-dwelling older individuals in Japan.

DOI： 10.3290/j.ohpd.b4528813

PubMed

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

本研究の目的はアルコール摂取状況と歯の喪失との関連を明らかにすることである.40歳以上の25,216名を分析対象とした.分析では,性別およびアルコール摂取状況[非飲酒者,過去飲酒者,現在飲酒者(週1～149g,週150～299g,週300～449g,週450g以上)]により対象者特性を比較した.その後,アルコール摂取状況と歯の喪失との関連について,ロジスティック回帰分析を行った.従属変数を歯の喪失程度(「現在歯数20本未満」および「無歯顎」)とし,独立変数をアルコール摂取状況とした.その結果,男性で,現在歯数20本未満と非飲酒者,過去飲酒者,週450g以上との間に有意な関連がみられた[週1～149gと比較したオッズ比(95%信頼区間)=1.49(1.29-1.72),1.25(1.05-1.49),1.22(1.07-1.39)].無歯顎は非飲酒者との間に有意な関連がみられた[1.70(1.33-2.18)].一方,女性で,現在歯数20本未満と非飲酒者,週150～299g,週450g以上との間に有意な関連がみられた[1.20(1.08-1.34),1.28(1.04-1.57),1.64(1.12-2.40)].無歯顎は週450g以上との間に有意な関連がみられた[3.18(1.31-7.76)].アルコール摂取状況は歯の喪失と関連し,現在飲酒者においてアルコール摂取量が多いほど関連が強く,その関連の程度には性差がみられた.(著者抄録)

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その他リンク： https://search.jamas.or.jp/default/link?pub_year=2023&ichushi_jid=J00440&link_issn=&doc_id=20230814210002&doc_link_id=%2Fdk1dehea%2F2023%2F007303%2F002%2F0177-0184%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fdk1dehea%2F2023%2F007303%2F002%2F0177-0184%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: The aim of this study was to determine whether physical activity (PA) is associated with periodontitis in the Japanese population. BACKGROUND: The potential association between PA and periodontitis has not been thoroughly investigated in the Japanese population. METHODS: We used cross-sectional data from the Japan Public Health Center-based Prospective Study for the Next-Generation Oral Health Study. Periodontitis was determined by a full-mouth periodontal examination. PA was assessed using a validated questionnaire. We performed multivariable ordinal logistic regression analyses to assess the association of total PA (the first quintile was set as the reference category) with periodontitis (three categories: no/mild, moderate, and severe), stratified by sex. The associations of periodontitis with domain- and intensity-specific PA were also studied in separate logistic regression models. RESULTS: This study included 2160 Japanese adults [1414 women and 746 men; mean (standard deviation) age 58.1 (9.6) years]. After adjusting for potential confounders, total PA was inversely associated with the presence and severity of periodontitis in women. The multivariable-adjusted odds ratios (95% confidence intervals) for periodontitis in the second to fifth quintiles (compared with the first quintile) of total PA were 0.81 (0.59-1.12), 0.74 (0.53-1.02), 0.77 (0.55-1.06), and 0.64 (0.46-0.89), respectively (p for trend = .01). We did not find different results when we further investigated the associations of periodontitis with domain- and intensity-specific PA. By contrast, PA was not associated with periodontitis in men. CONCLUSION: Total PA had an inverse, linear association with the presence and severity of periodontitis in Japanese women but not in Japanese men. Further prospective studies are required to determine the association between PA and periodontitis.

DOI： 10.1111/jre.13095

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: Globally, baccalaureate programs in dental hygiene are increasingly established. In addition, in Japan, many dental hygienists (DHs) and social workers (SWs) are prematurely leaving workforce. This study aimed to investigate, at the most recent employment, career outcomes, reasons for job change, and satisfaction with the job and undergraduate curriculum among graduates of the baccalaureate program at the Department of Oral Health and Welfare (DOHW), Faculty of Dentistry, Niigata University. METHODS: All 262 graduates (graduating classes 1-10) of the DOHW were invited to participate in this survey; an original self-administered questionnaire was distributed to those who consented. Responses were received from 114 (43.5%) graduates. RESULTS: Almost all respondents (89.5%) had dual licensure as both DH and certified SW. They were employed immediately after graduation (99.1%) and at the time of the survey (96.5%). Over 60% of them worked as DHs, mainly in hospitals. SWs mainly worked in administration. Among the 113 respondents who were employed, 39.8% changed jobs at least once. The main reasons for job selection were 'interest in job content' and 'flexible working hours'. Nearly 90% of the respondents felt satisfied or fairly satisfied with their job and the undergraduate education. CONCLUSIONS: A quality four-year baccalaureate degree program in dental hygiene and social welfare positively influenced graduates' work continuity. Most graduates felt satisfied or fairly satisfied with their job and the undergraduate curriculum. Employment rates within each profession and prevalence of hospital and administrative roles were higher than national averages. Long-term studies of graduates' career outcomes are warranted.

DOI： 10.1111/idh.12655

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND OBJECTIVES: Several epidemiological studies have reported that smokers have a higher prevalence and severity of periodontal disease than do nonsmokers, and that smoking negatively affects nutritional status and is associated with a reduced intake of antioxidants, particularly vitamin C. The present investigation aimed to examine the relationship between serum vitamin C levels and smoking and its influence on the periodontal condition in older adults. MATERIALS AND METHODS: A total of 353 respondents met the inclusion criteria and were enrolled in the present study. The periodontal status of the study participants was determined through examinations of one or more residual teeth, which included a measurement of the probing pocket depth (PPD) and clinical attachment level (CAL) at six regions of each tooth. Blood samples were collected during the dental examinations and then sent to a laboratory to evaluate serum vitamin C and cotinine levels. A serum cotinine concentration of 100 ng/ml was considered a relevant threshold for active smoking. After dividing the participants into two groups according to serum cotinine levels, Poisson regression analysis was carried out to compare vitamin C levels with the prevalence rate ratio (PRR) for periodontal condition markers for each group based on serum cotinine levels. RESULTS: We evaluated differences in the PRR of serum vitamin C tertiles between participants with high (≥100 ng/ml) or low (<100 ng/ml) serum cotinine levels after adjusting for sex, the use of interdental brushes or dental floss, and the number of teeth. A negative tendency between the PRR of vitamin C tertiles for the PPD or CAL was seen for both groups. Especially, a bigger difference was observed in the group with high serum cotinine levels. The PRR of the first tertiles in the high serum cotinine group was 5.03, compared with 2.69 in the low serum cotinine group (relative risk: 1.9). CONCLUSION: The results of this study suggest a potential association between vitamin C levels and the periodontal condition, which may be influenced by smoking status.

DOI： 10.1111/jre.12988

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

本研究の目的は小学生における口唇閉鎖力の年齢による変化を示すともに,口唇閉鎖力に影響を与える要因を明らかにすることである.新潟県内Y小学校に通う1年生から6年生の328名(男児167名,女児161名)についてアンケート調査(同意率80.8%)および口唇閉鎖力の測定を実施した.小学生における口唇閉鎖力の年齢による変化を示すために,年齢による口唇閉鎖力の推移を比較した.さらに,9歳未満と9歳以上の2群に分け,各群における口唇閉鎖力4分位群による対象者の特性について比較し,関連する要因についても検討を加えた.その結果,本研究の対象者における口唇閉鎖力は増齢とともに緩やかな増加がみられた.口唇閉鎖力4分位と対象者の特性との関連について,9歳未満では現在歯数,いびきの有無との関連がみられた(オッズ比[95%信頼区間]=1.28[1.01-1.56],0.45[0.24-0.84]).9歳以上の群では,年齢,ローレル指数との関連がみられた(1.45[1.09-1.93],6.02[2.21-16.39]).結論として,小学生における口唇閉鎖力について9歳前後で口唇閉鎖力に影響する要因が異なることが考えられた.口唇閉鎖力の増加に影響する要因として,9歳未満の対象者では現在歯数が,また,9歳以上の対象者では,年齢,肥満との関連がみられた.口唇閉鎖力が低値であることに影響する要因として,9歳未満でいびきと関連していた.(著者抄録)

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その他リンク： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2022&ichushi_jid=J00440&link_issn=&doc_id=20220511210002&doc_link_id=10.5834%2Fjdh.72.2_92&url=https%3A%2F%2Fdoi.org%2F10.5834%2Fjdh.72.2_92&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: Root surface caries experience tends to increase with age. The purpose of this longitudinal study was to evaluate the relationship between aspects of dietary intake, including milk and sucrose in coffee or tea (SCT), and root surface caries in older Japanese individuals. METHODS: 303 community-dwelling older individuals (age 75 years) were enrolled for analysis. All participants underwent a dental examination at baseline and then annually from 2003 to 2008 (ie six times over a 5-year period). A disease event was considered to have occurred when root surface caries was detected on a previously sound or nonexposed root surface. Over the observation period, disease events in each year were counted. Dietary habits during the preceding month were evaluated using a brief self-administered diet history questionnaire (BDHQ) in 2003 and 2008. Poisson regression analysis performed crude and adjusted increment-rate ratios (IRRs) for root surface caries and the intake of milk and SCT. RESULTS: The adjusted increment-rate ratio (IRR) of the increment of root surface caries for participants in the highest SCT tertile was 1.72 (95%CI: 1.40-2.14) compared with the referent group. In addition, for the amount of milk intake, the adjusted IRR in the highest tertile was 0.63 (95% CI: 0.51-0.78) compared with the referent group. CONCLUSIONS: Much SCT and low milk intake were associated with the increment of root surface caries in community-dwelling older people in Japan. These findings suggest that to help prevent root surface caries, community-dwelling older people in Japan should consume adequate amounts of milk daily and limit their intake of SCT.

DOI： 10.1111/cdoe.12602

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: Few studies have examined the effect of sucrose intake in coffee or tea (SCT) on dental caries, especially root caries, in elderly people. The purpose of the present study was to examine the associations between SCT and the prevalence of root or coronal caries in community-dwelling elderly Japanese. METHODS: Participants were 370 elders aged 75 years from a larger cohort study of elders in Niigata City, Japan. Dietary habits during the preceding month were assessed with a validated brief self-administered diet history questionnaire (BDHQ). The caries examination was conducted using mirror and ball-pointed periodontal probes under artificial light. Poisson regression analysis was performed to analyze the prevalence-rate ratios (PRRs) between SCT and the root or coronal caries. The number of root or coronal caries was selected as the dependent variable for the analysis. Then, SCT (tertiles labeled low, medium and high) and other 4 variables were selected as independent variables. RESULTS: The PRRs between the number of root caries lesions and SCT were signifi cantly higher in the second (medium intake, 1.38, p ⟨ 0.001) and third tertiles (high intake, 2.07, p ⟨ 0.001). Similar tendencies were seen for the number of coronal caries lesions (PRRs in the second and third tertiles 1.74 and 2.46, respectively, both p ⟨ 0.001). CONCLUSION: A significant positive relationship was observed between sucrose in coffee and tea and the number of coronal or root caries lesions in community-dwelling elderly Japanese.

DOI： 10.1922/CDH_00011Yoshihara05

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：ELSEVIER  

Aims: To identify more reliable and cost-effective methods to detect gingivitis, such as visual examinations, questionnaires, and salivary occult blood tests (SOBT).Methods: Sixty-five elementary school students in Yahiko Village, Niigata, Japan were recruited. Questionnaire was used to assess subjective gingival status. Hemoglobin (Hb) and lactate dehydrogenase (LDH) levels were measured by SOBT. Bleeding on marginal probing (BOMP) method at three labial sites per tooth for all anterior teeth was used to examine clinical gingiva condition. Occurrence of at least 1 site with BOMP positive was defined as gingivitis. Visual gingival redness examination was done at the same sites examined by probing.Results: Participants with gingivitis had higher numbers of sites with redness than those without [6 (0.25-12) vs 0 (0-2), p < 0.001]. Participants with more sites with redness had a 1.29-fold higher risk of suffering from gingivitis (p = 0.002). The overall model had a 77.3% probability of predicting a gingivitis event by the number of sites with gingival redness (p < 0.001). Highest Youden Index was 1.453, yielded from the cut-off value of 4-5 sites with gingival redness.Conclusion(s): This study found that a predictive model using visual gingival redness examination is a viable non-invasive screening test for gingivitis. (C) 2019 Japanese Society of Pediatric Dentistry. Published by Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.pdj.2019.05.001

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

歯肉炎の評価は視診もしくはプロービングによる方法が一般的であり、検診の場で使用可能な非侵襲的で簡便性、客観性、再現性を併せもつ検査方法はないのが現状である。本研究では、歯肉溝滲出液(GCF)中の成分が歯肉炎バイオマーカーとして有用であるかを検討した。対象は北九州市内某小学校5、6年生107名である。ブロッティングブラシ(以下、ブラシ)で採取したGCF中のα-1アンチトリプシン(A1AT)、ラクトフェリン(Lf)他4成分(AST、ALT、ALP、LDH)を定量し、PMA index(PMA)、プラーク付着状態(PlI)との比較を行った。PMA、PlIを低値群と高値群に2値化し、GCF成分との比較を行ったところ、PMAではすべての成分、PlIではLDH以外の成分で有意(p<0.05)に関連していた。さらに、ROC曲線から求めたPMA、PlIに対する各成分のカットオフ値はそれぞれ、A1ATが283.8、248.3、Lfが152.1、114.4、ASTが4.5、2.5、ALTはともに1.5、ALPは2.5、PMAでのLDHが26.0であった。陽性尤度比は1.5から3.0程度となった。以上の結果からGCF中A1AT、Lf、AST、ALTおよびALPは小児を対象とした歯肉炎スクリーニングのバイオマーカーとして有用であることが示唆された。(著者抄録)

DOI： 10.5834/jdh.69.1_19

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J-GLOBAL

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: To examine the associations among alcohol consumption level, dietary intake and other lifestyle factors, and periodontal condition, in community-dwelling elderly Japanese of a specific age. BACKGROUND: The relationship between alcohol consumption level and periodontitis is a controversial issue. METHODS: Participants were 438 dentate elders aged 73 years from a larger cohort survey of elders in Niigata City, Japan. Data collected from oral examination of each participant, including number of the existing teeth, mean probing pocket depth and mean clinical attachment level (CAL) were used for the analyses. A semiquantitative food frequency questionnaire and a lifestyle habit questionnaire were used to assess food and alcohol consumption, smoking experience, frequency of tooth brushing, interdental brush use, and visits to a dental clinic during the previous year. Blood glucose control was assessed by the glycated haemoglobin (HbA1c) level. Body mass index was calculated from height and weight measurements. The relationships between each variable and the individual mean CAL were analysed by univariate and multivariate analyses. RESULTS: According to logistic regression analysis, the mean CAL was significantly associated with the number of existing teeth (odds ratio [OR] = 0.90; P < .001), being a heavy drinker (OR = 2.44; P < .05), and smoking experience (OR = 2.37; P < .01). CONCLUSION: This study showed that increased mean CAL was significantly associated with heavy drinking in community-dwelling elderly Japanese (aged 73 years) compared with non-drinking. Our results provide new evidence that high alcohol consumption is associated with an increased risk of periodontal disease and its progression.

DOI： 10.1111/ger.12335

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記述言語：日本語   出版者・発行元：(一社)日本障害者歯科学会  

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その他リンク： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2016&ichushi_jid=J02489&link_issn=&doc_id=20160725150015&doc_link_id=10.14958%2Fjjsdh.37.192&url=https%3A%2F%2Fdoi.org%2F10.14958%2Fjjsdh.37.192&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY-BLACKWELL  

OBJECTIVE: To investigate medications that are related to volume of saliva in the elderly. BACKGROUND DATA: In the elderly, many cases of mouth dryness may represent side effects of medication. MATERIALS AND METHODS: The volume of unstimulated saliva was measured for 30 s (cotton roll test), and with stimulation for 3 min (gum test) in 368 subjects 79-80 years old (177 men, 191 women). Medications were investigated using subject's medication notebooks. RESULTS: Mean volumes of unstimulated and stimulated saliva were 0.14±0.13 and 4.30±2.54 ml respectively. Significant differences were seen between gender and mean volume of saliva. The volume of unstimulated saliva was 0.16±0.15 ml for men and 0.11±0.10 ml for women. The volume of stimulated saliva was 4.99±2.67 ml for men and 3.67±2.25 ml for women. The percentage of subjects taking medication was 64.7% (238/368). Mean number of medications was 2.08±2.26, with no significant difference with gender (2.01±2.37 for men, 2.16±2.16 for women). In a stepwise multiple regression analysis with volume of saliva as the objective variable and number of drugs by category as explanatory variables, significant explanatory variables in addition to gender and number of medications were blood-coagulating agents, Ca antagonists and peptic ulcer drugs for volume of unstimulated saliva, and diabetes medications and peptic ulcer drugs for volume of stimulated saliva. CONCLUSION: These findings suggest that differences exist between gender in volume of saliva for elderly individuals, and that the volume of saliva is affected by the number and type of medications.

DOI： 10.1111/j.1741-2358.2009.00358.x

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記述言語：日本語   出版者・発行元：(一社)日本歯科医学教育学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

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記述言語：日本語   出版者・発行元：日本歯科衛生教育学会  

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担当区分：筆頭著者   記述言語：日本語   出版者・発行元：(公社)日本小児歯科学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔衛生学会  

J-GLOBAL

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記述言語：日本語   出版者・発行元：(一社)日本老年歯科医学会  

J-GLOBAL

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記述言語：日本語   出版者・発行元：日本歯科衛生学会  

J-GLOBAL

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記述言語：日本語   出版者・発行元：新潟歯学会  

J-GLOBAL

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記述言語：日本語   出版者・発行元：日本歯科衛生学会  

J-GLOBAL

researchmap

記述言語：日本語   出版者・発行元：日本歯科衛生学会  

J-GLOBAL

researchmap

記述言語：日本語   出版者・発行元：(一社)日本老年歯科医学会  

researchmap