Abstract : Objectives: This study aimed to evaluate the effect of detergents containing a centella quantitative extract and dipotassium glycyrrhizinate and potassium nitrate on patient hygiene performance index, gingivitis index, gingival bleeding index, EPT, and halitosis. Methods: A parallel comparison, randomized, double-blind, controlled trial was conducted for 8 weeks with 60 adult men and women as participants. Results: According to the PMA index, gingival index of Talbott, gingival hemorrhage index, Turesky’s plaque index, and bad breath measurement, there was a statistically significant difference between the experimental group and the control group after 4 weeks (P
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Abstract : Objectives: With the rapid changes in society, there are more arguments for redefining dental education system. This study aimed to review and analyze the problems in the current dental education system in Korea and then propose an integrated education system based on those findings. Methods: A narrative review of the problems confronting the dental education system in Korea was carried out. Accordingly, full-text screening and specialists’ discussions were extracted from the review. The purpose of the review was to summarize the strengths and weaknesses of Korean dental education systems to offer perspectives on an integrated education system in accordance with the specialists’ opinions. Results: The results revealed that the problems of the current dental education system were identified in clinical education, basic science, and humanities and social sciences. Dental schools should provide clinical education so that dental students can be exposed to the clinical environment at an early stage and perform patient-based clinical practice. It is also imperative to encourage participation in research programs to train dental scientists, as well as to reflect on courses that can adapt to changes brought about by new technologies. It is recommended that education opportunities for integrated humanities and social sciences be provided. Conclusions: It will be critical in the future for dental schools to embrace a flexible education system from various perspectives. It is vital that dental schools play a role in developing students’ critical thinking, problem-solving, and decision-making skills. Finally, as part of an integrated education system, an improvement program should be devised.
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Abstract : Objectives: This study aimed to determine the relationship between English communication ability and job satisfaction of dental hygienists involved in the process of providing dental health services to foreigners and to analyze factors related to job satisfaction. Methods: Both online and offline surveys were conducted in parallel to measure English communication competency and job satisfaction. Participants were 195 clinical dental hygienists provided dental health services to foreigners. Spearman’s rho analysis was performed on the correlation between English communication ability, and job satisfaction, and a stepwise multiple regression analysis was performed on the factors related to the job satisfaction of the dental hygienist. Results: The job satisfaction of dental hygienists was 2.99 point out of 5 points. There was a strong positive relationship between English communication ability and english communication frequency (r=0.682), and the higher the English communication ability, the higher the job satisfaction (r=0.357). Factors affecting job satisfaction were English communication ability (β=0.378, P
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Abstract : Objectives: Coronavirus (COVID-19) has recently emerged as a major public health problem around the world. There is a high demand for health promotion programs that allow schools and local children’s centers to brush their teeth and wash their hands compared to others after lunch; and furthermore, the demand for schools with brushing facilities is twice that of schools without brushing facilities. However, students are returning home without brushing their teeth after lunch at kindergartens and schools, where face-to-face classes are conducted. This situation can be further understood by examining the education office’s official letter that considers the risk of “droplet infection” at kindergartens and schools. Thus, this pilot study is interested in identifying the relationship between brushing teeth and the spread of droplets, and proposing proper brushing guidelines for students in schools. Methods: The droplet diffusion test was conducted in three ways: during conversation, when brushing teeth, and when brushing teeth with the mouth closed. A Mie Scattering technique using a continuous wave (CW) laser was performed to observe and compare the distribution of droplets ejected from the oral cavity in this experiment. Results: As a result, it was confirmed that the droplets that spread, while brushing the lingual surface of the maxillary anterior region, were significantly reduced when brushing the teeth with the mouth closed. Conclusions: Based on the results of this study, personal hygiene education such as the school group tooth brushing project and hand washing should be continuously conducted and monitored by installing transparent partitions, and the tooth brushing technique to prevent the spread of droplets in schools.
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Abstract : Objectives: The aim of this study was to determine the dental caries experience of children in Laos. Methods: Oral examinations were performed on a total of 1,540 students in 513 primary school students, 537 middle school students, and 490 high school students and the results analyzed. Results: The dft index (decayed-filled primary teeth index) of 6-year-old primary school children was 6.04. The DMFT index (decayed-filled-missing permanent teeth index) was 1.59 in 12-year-old middle school children and 2.04 in 15-year-old middle school children. Conclusions: Caries experience in most of the age groups was on the high side. It is considered that in Laos, a treatment project to stop the progression of caries is necessary in parallel with a prevention project to lower the caries fatality rate.
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Abstract : Objectives: This study aimed to identifying the relationship between exposure to secondhand smoking and oral diseases in adolescents, based on the web-based youth health risk behavior survey from 2020. Methods: Among the 54,948 adolescent respondents to the 16th youth health risk behavior survey in 2020, this study included a total of 48,867 non-smoking adolescent participants who had never used regular cigarettes, vapes, or e-cigarettes. Analysis of the complex sample survey data was performed by applying weights according to the complex sample provided by the Korea Disease Control and Prevention Agency. Cross-tabulation analysis by complex sampling using the Rao- Scott chi-square test and complex-sample t-test was then performed to identify the relationship between subject characteristics and gingival pain and bleeding prevalence. Finally, a binary logistic regression analysis was performed to determine the effects of secondhand smoking on symptoms of gingival pain and bleeding in non-smoking adolescents. Data were analyzed using SPSS 26.0 version, and the statistical significance level was defined as P
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Abstract : Objectives: The purpose of this study is to identify the association between oral examinations and out-of-pocket (OOP) expenditures on dental care by age groups. Methods: The Korea Health Panel 2011-2018 data were used to aggregate eight-year outpatient data for 12,684 individuals who were household members that responded to the 2011 survey. The final study subjects included 5,305 individuals who have been retained in the panel with at least one OOP expenditure on dental care over eight years. The dependent and independent variables were the individual’s average OOP dental care expenditures and oral examination, respectively. For age-stratification analysis, they were categorized into seven age groups: 18-24, 25-34, 35-44, 45- 54, 55-64, 65-74, and 75+years. The difference in OOP expenditures on dental care by subject characteristics was analyzed using t-tests and ANOVA. Log-linear regression models were used to analyze the effect of oral examinations on OOP expenditures on dental care. Results: Individuals who underwent an oral examination had an approximately 1.4% higher OOP expenditure on dental care than their counterparts (β=0.014, P =0.0072). Age-stratified analyses showed that among people in the 55-64 group those who underwent an oral examination had an approximately 2.3% higher OOP expenditure on dental care than non-examiners (β=0.023, P =0.0218). Conclusions: There was no evidence that oral examination could lead to increased OOP expenditure on dental care, except among those aged 55-64.
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Abstract : Objectives: The purpose of this study is to investigate the impact of COVID-19 on dental technicians and dental laboratories. Methods: In June 2020, self-reported questionnaires were distributed to and completed by dental technicians who attended the Seoul Dental Technologist Association’s academic conference (n=210). The responses were cross analyzed with frequency analysis (α=0.05). Results: Due to COVID-19, the number of employees has decreased to less than 20%, and sales of dental laboratories have decreased by 21-40%. On the Likert 5-point scale for individual precautions, ‘I wear a mask when using public transportation’ was the highest at 4.80. If infected with COVID-19, ‘my family’s infection is most concerned’ was the highest 3.89, but there was no significant difference between having children under the age of 13 in the family and having an elderly family over 65 years old (P>0.05). Conclusions: To prevent infection by dental technicians, it is mandatory to check body temperature when going to work and refrain from eating while working. As COVID-19 continues for a long time, it is necessary to continuously investigate the status of infected persons among dental technicians and vaccination rates as health care workers.
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Abstract : Objectives: This study aimed to evaluate the antibacterial activity of phytoncide on oral biofilm. Methods: Antibacterial activity of phytoncide was examined on the bacteria Streptococcus mutans, Aggregatibacter actinomycetemcomitans, Enterococcus faecalis, Porphyromonas gingivalis, and oral biofilm. After mixing the phytoncide, S. mutans, A. actinomycetemcomitans, E. faecalis, and P. gingivalis with a culture alone turbid and mixed, and they were then incubated at 37°C under anaerobic conditions and cultured. Following incubation, a microplate reader was used to measure the absorbance and observe the amount of bacteria. In addition, non-polarized saliva containing bacteria was grown for 72 h under anaerobic conditions for the determination of biofilm biomass and bacterial numbers. Various concentrations of phytoncide were added to the saliva biofilm. Statistical significance tests were conducted using the Mann-Whitney test and SPSS 24.0. Results: S. mutans, A. actinomycetemcomitans, E. faecalis, P. gingivalis, and antibacterial effects were shown as phytoncide concentrations increased in oral biofilm. Observing the growth of bacteria using phase difference microscopes showed that the number of bacteria decreases as the phytoncide concentration increased. Also, the formation of biofilm in the saliva decreased compared to the control group. Conclusions: Based on the experimental results of phytoncide on oral biofilms causing oral cavity formation in the saliva decreased compared to that in the control group. Phytoncide showed antibiosis against oral biofilms when it remained inside the mouth for above certain concentrations. Accordingly, using phytoncide as a clinical method for preventing oral disease is deemed to be effective.
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Abstract : Objectives: This study aimed to examine oral health literacy (OHL) in mothers and the factors that influence it. Methods: A total of 431 mothers of preschool children were chosen as study participants using the convenience sampling method. A self-administered questionnaire was used in this study. The survey contents included the socioeconomic characteristics of the participants as well as their level of oral health literacy. Results: In total, 44.8 percent of the participants had a low level of verbal oral health literacy (0-6 grade), and 16.9 percent had a low functional oral health literacy (≤6). Educational level and family income were significantly associated with the participants’ oral health literacy (Pearson correlation). Verbal oral health literacy of the participants was related to their family’s income, whereas their functional oral health literacy was related to their educational level. Conclusions: Many of the participants had a low level of oral health literacy. For mothers, to improve their oral health literacy, an oral health literacy program must be in place. Oral health literacy programs should be targeted toward mothers with low socioeconomic status.
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J Korean Acad Oral Health 2021; 45(2): 49-50
J Korean Acad Oral Health 2021; 45(1): 10-15
J Korean Acad Oral Health 2021; 45(2): 57-63
Cha-Young Lim, Hyo-Won Oh
Journal of Korean Academy of Oral Health 2013; 37(2): 65-72
Cha-Young Lim, Hyun-Jeong Ju, Na-Gyung Lee, Hyo-Won Oh, Heung-Soo Lee
Journal of Korean Academy of Oral Health 2013; 37(2): 73-80
Hye-Jung Jin, Eun-Kyong Kim, Seo-Young An, Sang-Uk Im, Keun-Bae Song, Youn-Hee Choi
Journal of Korean Academy of Oral Health 2013; 37(3): 147-153
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