Background: The purpose of this study was to evaluate the association between metabolic syndrome and periodontal disease in Korean adults. Methods: This study analyzed the screening data of 12,686 adults aged ≥19 years, including demographic characteristics, lifestyle habits, and each component of metabolic syndrome, obtained from the sixth Korea National Health and Nutrition Examination Survey database. Periodontal health status was measured by the community periodontal index. Subjects with three or more risk factors were considered as having metabolic syndrome. The Rao–Scott chi-square test was performed to assess the relationships between demographic characteristics, lifestyle habits, components of metabolic syndrome, and periodontal disease. Logistic regression analysis was performed based on the complex sample to evaluate the relationship between metabolic syndrome and periodontal disease. Results: The prevalence of periodontal disease was higher among the subjects with advancing age, lower average household income and education level, those working in production, residents of eup-myeon areas, in past or current smoker, those with excessive alcohol consumption habit in a week, and reduced brushing frequency and the use of oral care products (p＜0.001).Each component of metabolic syndrome was associated with higher prevalence of periodontitis in the subjects with abnormal than in those with normal levels (p＜0.001). The prevalence of periodontal disease in subjects with metabolic syndrome was approximately 1.443 times higher than that in normal subjects (odds ratio,1.443; p＜0.001). Conclusion This study confirmed the association between metabolic syndrome and periodontitis in Korean adults, and further studies will be needed to determine the causal relationship between the two conditions.

Background: This study aimed to investigate the association between metabolic syndrome and tooth loss among adults aged 19years and older using data from the nationally representative Korea National Health and Nutrition Examination Survey (KNHANES). Methods: A total of 49,468 adults aged 19 years and older who participated in the 2007∼2018 KNHANES were included in the final analysis. Chi-square tests were conducted to examine tooth loss according to sociodemographic factors and the presence of metabolic syndrome. Logistic regression analysis was performed to evaluate factors influencing tooth loss. Results: Sociodemographic factors and components of metabolic syndrome were identified as potential risk factors for tooth loss.The prevalence of tooth loss was higher among individuals in older age groups, those with lower educational and income levels, those engaged in agricultural or fishery-related occupations, and those residing in rural areas (p＜0.001). Adults with metabolic syndrome exhibited a relatively higher prevalence of tooth loss (p＜0.001), with a 1.19-fold increased likelihood of tooth loss compared to those without metabolic syndrome (p＜0.001). Conclusion Efforts are needed to develop oral health education programs and integrate systemic health management strategiesaimed at improving oral health among adults with metabolic syndrome.

Background: This study aimed to investigate the association between metabolic syndrome and tooth loss among adults aged 19years and older using data from the nationally representative Korea National Health and Nutrition Examination Survey (KNHANES). Methods: A total of 49,468 adults aged 19 years and older who participated in the 2007∼2018 KNHANES were included in the final analysis. Chi-square tests were conducted to examine tooth loss according to sociodemographic factors and the presence of metabolic syndrome. Logistic regression analysis was performed to evaluate factors influencing tooth loss. Results: Sociodemographic factors and components of metabolic syndrome were identified as potential risk factors for tooth loss.The prevalence of tooth loss was higher among individuals in older age groups, those with lower educational and income levels, those engaged in agricultural or fishery-related occupations, and those residing in rural areas (p＜0.001). Adults with metabolic syndrome exhibited a relatively higher prevalence of tooth loss (p＜0.001), with a 1.19-fold increased likelihood of tooth loss compared to those without metabolic syndrome (p＜0.001). Conclusion Efforts are needed to develop oral health education programs and integrate systemic health management strategiesaimed at improving oral health among adults with metabolic syndrome.

Background: This study aimed to investigate the association between metabolic syndrome and tooth loss among adults aged 19years and older using data from the nationally representative Korea National Health and Nutrition Examination Survey (KNHANES). Methods: A total of 49,468 adults aged 19 years and older who participated in the 2007∼2018 KNHANES were included in the final analysis. Chi-square tests were conducted to examine tooth loss according to sociodemographic factors and the presence of metabolic syndrome. Logistic regression analysis was performed to evaluate factors influencing tooth loss. Results: Sociodemographic factors and components of metabolic syndrome were identified as potential risk factors for tooth loss.The prevalence of tooth loss was higher among individuals in older age groups, those with lower educational and income levels, those engaged in agricultural or fishery-related occupations, and those residing in rural areas (p＜0.001). Adults with metabolic syndrome exhibited a relatively higher prevalence of tooth loss (p＜0.001), with a 1.19-fold increased likelihood of tooth loss compared to those without metabolic syndrome (p＜0.001). Conclusion Efforts are needed to develop oral health education programs and integrate systemic health management strategiesaimed at improving oral health among adults with metabolic syndrome.

OBJECTIVES: The purpose of this study was to evaluate abrasion of Icon(R) infiltrated, sound bovine enamel by using confocal laser scanning microscopy (CLSM) after toothbrush abrasion tests. METHODS: Sound bovine enamel specimens whose Vickers Hardness Number ranged from 280 to 320 were prepared. To measure abrasion, specimens were allocated to groups on the basis of tooth brushing stroke frequencies. Tooth brushing stroke frequencies were categorized into 5 groups: 1,800, 5,400, 10,800, 21,600 and 43,200 strokes. Both infiltration depth of Icon(R) and the abrasion depth were measured by CLSM. RESULTS: Mean infiltration depth of Icon(R) for sound bovine enamel was 98.6 microm. There was no statistically significant difference in enamel abrasion depth between groups with 5,400 strokes and 10,800 strokes, but the abrasion depth increased with further increase in tooth brushing stroke frequencies (P<0.001). The mean abrasion depth of resin infiltrated bovine enamel after 43,200 tooth brushing strokes was 17.45 microm. CONCLUSIONS: The magnitude of abrasion after 43,200 tooth brushing strokes, which corresponds to brushing 3 times a day for 4 years, was less than 20 microm. This result suggests that abrasion by tooth brushing would not be a clinical problem for resin infiltrated enamel.
Dental Caries ; Dental Enamel ; Hardness ; Microscopy, Confocal ; Stroke ; Tooth

The purpose of this study was to develop a dental communication course in dental hygiene schools that included theory, practice, and skill for effective dental communication. Thirty-six senior dental hygiene students in a dental hygiene school took a dental communication course and responded to a questionnaire. The instrument used in the study was a modified form of Kim's communication skill self-assessment sheet. The self-assessment questionnaire about communication competencies was administered before and after the class, and the difference between scores at each time point was analyzed using the Wilcoxon signed rank sum test. Among seven elements of dental communication competencies, the competency of “information gathering” was significantly improved (p=0.008). Students' scores on perception of the importance (p=0.019) and necessity (0.016) of a communication course significantly increased after the course. Competencies in communication are essential requirement for dental hygienists. This study showed the possibility of communication skill training. An objective evaluation tool regarding students' communication competencies should be developed. Further studies with larger samples size are needed to develop a standardized comprehensive communication course in dental hygiene schools.
Curriculum ; Dental Hygienists ; Health Communication ; Health Education ; Humans ; Learning* ; Oral Hygiene* ; Self-Assessment

Background: The purpose of this study was to analyze research trends in articles published in the Journal of Dental Hygiene Science over the past decade. Methods: From 2011 to 2020, 653 studies were reviewed using a keyword analysis. Contents such as academic classification, research type, research method, research topic, data collection method, data analysis method, and financial support were analyzed. Results: Analysis by school type showed 34.2% of clinical dental hygiene studies, 23.3% of educational dental hygiene studies, 22.8% of basic dental hygiene studies, 10.0% of other field studies, and 9.8% of social dental hygiene studies. By type of study, quantitative studies were the most common at 69.5%. Regarding data collection methods, 45.8% of the studies that used surveys were the most common. The subjects of the study were 20.1% experimental studies, 15.6% general adults, and 15.0% dental hygienists. Regarding the data analysis method, 49.3% of the studies that conducted frequency analysis were the most common. The total number of keywords was 2,390, with 107 (4.48%) being ‘dental hygienists.’ Next, oral health was the most common with 67 (2.80%) articles, followed by 31 for the elderly (1.30%), 25 for dental hygiene students (1.05%), and 24 for stress (1.00%). Conclusion For academic development of dental hygiene, it is necessary to explore the diversity of academic topics based on the results of this study. It is necessary to find a way to spread the research results so that the published research can be used for the academic development of dental hygiene.

'Takotsubo cardiomyopathy' or 'stress-induced cardiomyopathy' is a newly described clinical entity that's characterized by transient left ventricular apical ballooning and left ventricular apical dyskinesis in the absence of any angiographic feature of significant coronary artery disease. The cause of takotsubo cardiomyopathy is unclear, but catecholamines probably play a role in the genesis of takotsubo cardiomyopathy. We report here on two cases of takotsubo cardiomyopathy that occurred during ICU care.
Catecholamines ; Coronary Artery Disease ; Takotsubo Cardiomyopathy

PURPOSE: This study was aimed to examine whether tutor evaluation in the PBL course assesses different aspects of learning from what written examination assesses. METHODS: 89 medical students were assessed by Self-Directed Learning Readiness Scale (SDLRS) and Learning Orientation Scale (LOS) in March 2004. Their tutor evaluation and written examination scores in the 1st semester of 2004 PBL units were collected in August 2004. Data analyses were conducted using t-test, correlation analysis, and linear regression. RESULTS: SDLRS scores were significantly correlated with tutor evaluation scores, but not with written examination scores. Both schoolwork orientation and academic orientation scores on LOS were significantly associated with tutor evaluation and written examination scores. Tutor evaluation scores were explained significantly by all predictors, such as SDLRS, schoolwork orientation, and academic orientation scores. However, written examination scores were explained significantly by academic orientation only. CONCLUSIONS: Tutor evaluation in the PBL assessed student self-directed learning readiness and academic orientation, but written examination did not. The findings show a crucial possibility that tutor evaluation may overcome shortcomings of the written examination.
Education, Medical, Undergraduate ; Educational Measurement ; Humans ; Learning* ; Linear Models ; Problem-Based Learning ; Psychological Tests ; Regression Analysis ; Statistics as Topic ; Students, Medical

PURPOSE: This study aimed to inquire into the educational implication of peer evaluation in PBL in relation to the evaluation system. METHODS: 89 third and fourth-year medical students in PBL courses participated in this study. Descriptive statistics analysis and correlation analysis were performed. RESULTS: Based on the results of the interviews with all the forth-year students, the feedback method of peer evaluation was modified and the peer evaluation sheet was revised. On the new peer evaluation system, the percentages of indiscriminant scores were significantly lower than those on the previous system. Peer evaluation on the new evaluation system was positively related to tutor evaluation, written examination, and quizzes. Correlations between the peer evaluation scores each units were higher than those of the tutor evaluation scores. All third-year students within the bottom ten percent on the peer evaluation score failed to successfully complete that year. CONCLUSION: The peer evaluation with feedback based on faculty counseling and a user-friendly evaluation sheet can be used as an effective method for assessing student performance in PBL and to screen for maladjusted students.
Counseling ; Humans ; Problem-Based Learning* ; Students, Medical