JKAOH Journal of Korean Academy of Oral Health

ISSN(Print) 1225-388X ISSN(Online) 2093-7784

Editorial 30 June 2021

COVID-19, infordemic, and evidence-based dentistry

Deuk-Sang Ma J Korean Acad Oral Health 2021; 45: 49-50

Original Article 30 June 2021

2019 Laos children’s dental caries experience survey

Chae-Young Rhee, Ja-Won Cho, Hyun-Jun Yoo et al. J Korean Acad Oral Health 2021; 45: 51-56
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 child...
Key Words: Dental caries, Dental health surveys, Laos

Original Article 30 June 2021

Association between masticatory function and cognitive impairment in the elderly

Taejun Park, Hyojin Heo, Min-Jeong Cho et al. J Korean Acad Oral Health 2021; 45: 57-63
Objectives: With the surge in the elderly population, a growing interest in the prevention and treatment of geriatric diseases has been observed, along with awareness of the severity of problems associated with dementia, a cognitive impairment. The purpose of this study was to investigate the correlation between chewing ability and cognitive function among elderly people residing in a rural area. Methods: A total of 162 elderly individuals, aged between 65 and 97 years, were surveyed. Trained ex...
Key Words: Chewing ability, MMSE-DS, T-Scan® III

Original Article 30 June 2021

A qualitative study on the evaluation of the registered dentists’ program of dentists

Jae-In Ryu, Hyang-Ah Park, Sun-Jang Lee et al. J Korean Acad Oral Health 2021; 45: 64-70
Objectives: This study aimed to evaluate the registered dentists' program, from the dentist's perspective, before its nationwide implementation. Methods: In-depth interviews were conducted with 18 dentists who had participated in the registered dentists' program in G Province. A questionnaire was prepared based on previous research. The data were collected by transcription of interview recordings. Qualitative research methodology was implemented and the data were coded according to the grounded ...
Key Words: Dental care for children, Dentists, Grounded theory, Health policy, Qualitative research

Original Article 30 June 2021

Status of caries in permanent teeth of the adolescent in Ansan city after the suspension of the community water fluoridation program

Jae-In Ryu, Se-Hwan Jung, Sae-Rom Lee et al. J Korean Acad Oral Health 2021; 45: 71-76
Objectives: Community Water Fluoridation (CWF) was suspended in Ansan city in 2018. The purpose of this study was to inspect the status of caries in the permanent teeth of adolescents and suggest the index as the baseline for cohort study in the CWF suspended area. Methods: Oral examinations and questionnaire surveys were conducted on adolescents aged 12 years. Of 1,479 individuals, 890 (60.2%) consented to the examinations. Frequency and logistic regression analyses were used to investigate the...
Key Words: Adolescent health, Fluoridation, Health status disparities, Oral health.

Original Article 30 June 2021

Factors of unmet dental care needs among elderly living alone

Jun Ha Kim, So Yeong Kim, Kyung Hee Jo et al. J Korean Acad Oral Health 2021; 45: 77-81
Objectives: The purpose of the study was to investigate the factors affecting unmet dental care needs among elderly living alone. Methods: The study subjects were 19,019 elderly living by themselves, who participated in the Korea Community Health Survey 2018 (KCHS, 2018). The data were analyzed using frequency analysis, Rao-Scott chi-square test, t-test, and binary logistic regression analysis, using the SAS 9.4 software. Results: Results from the multiple logistic regression analysis revealed a...
Key Words: Dental health services, Depression, Elderly living alone, Korea community health survey, Stress, Unmet dental care needs

Original Article 30 June 2021

Influences of presenteeism of clinical dental hygienists

Min Kyoung Hye, Min Hee Hong J Korean Acad Oral Health 2021; 45: 82-86
Objectives: The aim of this study was to measure the presentism, intention of employment, self-efficacy, degree of exhaustion, and factors affecting presentism of clinical dental hygienists for use as basic data when developing measures to address presentism. Methods: A self-reported questionnaire was completed by 210 clinical dental hygienists from April 1 to June 30, 2020. Data were analyzed using SPSS 20.0. Independent t-test, one-way ANOVA, the Scheffé post-hoc test, and Pearson corre...
Key Words: Burnout, Dental hygienist, Presenteeism, Retention intention

Original Article 30 June 2021

Antibacterial effect of mouthwash containing CPC against dental caries caused bacteria

Won-Ho Cho, Ja-Won Cho, Hyun-Jun Yoo et al. J Korean Acad Oral Health 2021; 45: 87-91
Objectives: The purpose of this study was to evaluate and report the antibacterial efficacy in relation to oral disease-causing bacteria using a mouthwash containing 0.05% CPC in an in vitro test. Methods: The sterilization test and susceptibility assay of mouthwash containing 0.05% CPC were investigated against Streptococcus mutans, Streptococcus sobrinus, and Lactobacillus acidophilus; Streptococcus sanguinis as oral bacteria related to dental caries; Enterococcus faecalis as apical periodonti...
Key Words: Cetylpyridinium chloride, Mouthwashes, Streptococcus mutans

Original Article 30 June 2021

Analysis of the factors of turnover intention of dental hygienists in dental hospitals

Jung Hwa Lee, Na Na Yoon J Korean Acad Oral Health 2021; 45: 92-99
Objectives: This study aims to determine the influence of social exchange relationships, leader’s political skills, job stress, job satisfaction, and organizational commitment on turnover intention among dental hospital hygienists. Methods: A self-administrated questionnaire survey was conducted from April 1-May 12, 2020, involving 209 dental hospital hygienists in Seoul, Busan, and Gyeongnam. The collected data were analyzed using SPSS and AMOS statistical analysis programs. Results: In t...
Key Words: Dental hospital hygienists, Leader's political skills, Social exchange relationships, Turnover intention

June 30, 2021Current Issue Vol. 45 No. 2

    June, 2021 | Volume 45, No. 2
  • Editorial 2021-06-30

  • Original Article 2021-06-30

    2019 Laos children’s dental caries experience survey

    Chae-Young Rhee , Ja-Won Cho , Hyun-Jun Yoo et al.

    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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  • Original Article 2021-06-30

    Association between masticatory function and cognitive impairment in the elderly

    Taejun Park , Hyojin Heo , Min-Jeong Cho et al.

    Abstract : Objectives: With the surge in the elderly population, a growing interest in the prevention and treatment of geriatric diseases has been observed, along with awareness of the severity of problems associated with dementia, a cognitive impairment. The purpose of this study was to investigate the correlation between chewing ability and cognitive function among elderly people residing in a rural area. Methods: A total of 162 elderly individuals, aged between 65 and 97 years, were surveyed. Trained examiners conducted interviews and assessments of chewing ability, on the basis of the number of remaining teeth, denture status, masticatory performance evaluating gum, ShadeEye-NCC measuring overall change in color of the gum (ΔE), and T-Scan®III analyzing distribution of occlusion patterns. Cognitive function was assessed using the Korean version of the Mini-Mental State Examination-Dementia Screening (MMSE-DS) tool. Results: Participants with a low score in the MMSE-DS were found to have distinguishably lower denture need, smaller number of remaining teeth, and lesser color change in the masticatory performance evaluating gum. In the cognitive impairment group, a tendency of having unilateral and anterior occlusion led to occlusal discomfort and chewing difficulties. Conclusions: The study highlights important associations between chewing ability and cognitive function. The finding corroborates that tooth loss may be a predictive risk factor for cognitive impairment.

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  • Original Article 2021-06-30

    A qualitative study on the evaluation of the registered dentists’ program of dentists

    Jae-In Ryu , Hyang-Ah Park , Sun-Jang Lee et al.

    Abstract : Objectives: This study aimed to evaluate the registered dentists' program, from the dentist's perspective, before its nationwide implementation. Methods: In-depth interviews were conducted with 18 dentists who had participated in the registered dentists' program in G Province. A questionnaire was prepared based on previous research. The data were collected by transcription of interview recordings. Qualitative research methodology was implemented and the data were coded according to the grounded theory. A paradigm model was presented and the core categories were indicated. Results: The findings were organized into 6 categories, 25 subcategories, and 315 codes, based on open coding of the first categorization of collected data. The central phenomenon was found to be the experience of dissatisfaction with the program. The causal conditions were shown as problems of the program, while contextual and intervening conditions were shown as passive participation of dentists and positive effects of the program, respectively. The action/interaction strategies were summarized as an improvement plan and the consequence was an increased intention to participate. Conclusions: The study proposes the need to strengthen primary dental care through this registered dentists' program, by performing continuous evaluations. The standards and guidelines, cooperation of participants, and appropriate compensation should be considered to promote successful implementation.

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  • Original Article 2021-06-30

    Status of caries in permanent teeth of the adolescent in Ansan city after the suspension of the community water fluoridation program

    Jae-In Ryu , Se-Hwan Jung , Sae-Rom Lee et al.

    Abstract : Objectives: Community Water Fluoridation (CWF) was suspended in Ansan city in 2018. The purpose of this study was to inspect the status of caries in the permanent teeth of adolescents and suggest the index as the baseline for cohort study in the CWF suspended area. Methods: Oral examinations and questionnaire surveys were conducted on adolescents aged 12 years. Of 1,479 individuals, 890 (60.2%) consented to the examinations. Frequency and logistic regression analyses were used to investigate the status of permanent dental caries by demographic, sociological, and health behavioral characteristics. The study was conducted with approval from IRB Kyung Hee University. Results: The findings reveal gaps in the prevalence of caries among the study sample according to demographic, sociological and health behavioral factors. Rates of untreated caries were higher among adolescents who stayed in the area for a lesser duration, had foreign parents, or had cariogenic drinks more often (p

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  • Original Article 2021-06-30

    Factors of unmet dental care needs among elderly living alone

    Jun Ha Kim , So Yeong Kim , Kyung Hee Jo et al.

    Abstract : Objectives: The purpose of the study was to investigate the factors affecting unmet dental care needs among elderly living alone. Methods: The study subjects were 19,019 elderly living by themselves, who participated in the Korea Community Health Survey 2018 (KCHS, 2018). The data were analyzed using frequency analysis, Rao-Scott chi-square test, t-test, and binary logistic regression analysis, using the SAS 9.4 software. Results: Results from the multiple logistic regression analysis revealed a higher odds ratio (OR) for unmet dental care needs among those with a monthly household income below KRW 1,000,000 (OR=1.64, 95% confidence interval, 95%CI=1.39-1.92), compared to those with an income of above KRW 2,000,000. With regards to stress levels, unmet dental care needs were more prevalent among participants in the "stress moderate" (OR=1.19, 95% CI=1.06-1.33) and "stress" groups (OR=1.68 95% CI=1.48-1.92), compared to the "no stress" group. Furthermore, the OR for unmet dental care needs was significantly higher among participants in the "depression" group (OR=1.84, 95% CI=1.61-2.11) than the "no depression" group. Conclusions: Higher unmet dental care needs were found among participants in the low monthly household income, stress, and depression groups. Further study is needed to analyze the association between factors and needs related to unmet dental care.

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  • Original Article 2021-06-30

    Influences of presenteeism of clinical dental hygienists

    Min Kyoung Hye , Min Hee Hong

    Abstract : Objectives: The aim of this study was to measure the presentism, intention of employment, self-efficacy, degree of exhaustion, and factors affecting presentism of clinical dental hygienists for use as basic data when developing measures to address presentism. Methods: A self-reported questionnaire was completed by 210 clinical dental hygienists from April 1 to June 30, 2020. Data were analyzed using SPSS 20.0. Independent t-test, one-way ANOVA, the Scheffé post-hoc test, and Pearson correlation analysis were applied, based on which a multiple regression analysis was conducted. Results: Dental hygienists scored 3.09 points in presenteeism. The variables that influenced clinical empowerment were job and career burnout, explaining 12.3% of the variance in scores among dental clinic hygienists. Conclusions: As a result, clinical dental hygienists’ presentism is associated with clinical background and exhaustion, and exhaustion as the strongest influence. Therefore, in order to reduce the loss of clinical dental hygienists due to presentism, it is necessary to develop and apply health promotion programs that can manage clinical dental hygienists’ health problems early and to provide support in the organizational aspects of their work.

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  • Original Article 2021-06-30

    Antibacterial effect of mouthwash containing CPC against dental caries caused bacteria

    Won-Ho Cho , Ja-Won Cho , Hyun-Jun Yoo et al.

    Abstract : Objectives: The purpose of this study was to evaluate and report the antibacterial efficacy in relation to oral disease-causing bacteria using a mouthwash containing 0.05% CPC in an in vitro test. Methods: The sterilization test and susceptibility assay of mouthwash containing 0.05% CPC were investigated against Streptococcus mutans, Streptococcus sobrinus, and Lactobacillus acidophilus; Streptococcus sanguinis as oral bacteria related to dental caries; Enterococcus faecalis as apical periodontitis-related bacteria; and Actinomyces israelii, Aggregatibacter actinomycetemcomitans, Fusobacterium nucleatum, Prevotella intermedia, Prevotella nigrescence, Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, and Filifactor alocis as periodontal disease-related bacteria. Results: In the sterilization test, most of the bacteria had more than 99.99% sterilizing power for all samples but compared to other bacteria, the sterilizing power of these samples was not successful for L. acidophilus and E. faecalis bacteria. When comparing the sterilization power between the samples, sample 3 (0.05% CPC+20% ethanol) was the strongest. Conclusions: In the antimicrobial activity test, sample 3 inhibited growth at the lowest concentration overall.

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  • Original Article 2021-06-30

    Analysis of the factors of turnover intention of dental hygienists in dental hospitals

    Jung Hwa Lee , Na Na Yoon

    Abstract : Objectives: This study aims to determine the influence of social exchange relationships, leader’s political skills, job stress, job satisfaction, and organizational commitment on turnover intention among dental hospital hygienists. Methods: A self-administrated questionnaire survey was conducted from April 1-May 12, 2020, involving 209 dental hospital hygienists in Seoul, Busan, and Gyeongnam. The collected data were analyzed using SPSS and AMOS statistical analysis programs. Results: In the hypotheses testing, 9 of 18 hypotheses were supported. In social exchange relationships, job stress, job satisfaction, and organizational commitment, the path to turnover intention had a significant effect, but it was not statistically significant in leader’s political skills. With regard to mediating effect, job stress, job satisfaction, and organizational commitment played a complete mediating role in the path from social exchange relationships to turnover intention. Conclusions: To increase job satisfaction and organizational commitment, and lower job stress in order to have a positive impact on turnover intentions, it is imperative to develop and apply a program to enhance social exchange relationships.

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JKAOH Journal of Korean Academy of Oral Health
ISSN(Print) 1225-388X ISSN(Online) 2093-7784