• Journal of Korean society of Dental Hygiene
• /
• v.12 no.1
• /
• pp.57-65
• /
• 2012

Objectives : The purpose of this study is to seek analysis of related factors for dental fear and to know the fear component affecting the treatment of the dental treatment. Methods : Total of 320 females and males aging from 10 to 40 years old with dental treatments done from May to July 2010 have participated with self-entry survey method utilizing the Dental Fear Survey questionnaire. The data received was analyzed using the descriptive statistic, t-test, ANOVA and multiple correlation analysis with level of significance as p<0.05. Results : The dental fear factor were significantly high in woman by $2.79{\pm}0.92$ and in 40's age group by $2.82{\pm}0.84$ (p<0.05). Participants with frequent tooth ache, experiencing pain while treating the tooth ache and breaking the dental treatment appointment showed higher fear factor. Thoughts of having poor dental health condition caused bad influence on fear factor. Overall, the factors affecting the fear of the dental treatments were gender, an ache while treating, number of missed appointment, and distrust of the dentist, stimulation factor were the factors affecting the treatment. Conclusions : The fear factors in the dental treatment were higher with gender, related characteristics of the oral health and distrust of the dentist. Therefore accurately recognizing the sensitive patient with dental treatment, proper management of the toothache, effort to increase the creditability of the doctors and separately treating patient customized for each individual patient will reduce the fear of the dental treatment.

• Journal of Korean society of Dental Hygiene
• /
• v.12 no.1
• /
• pp.37-46
• /
• 2012

Objectives : This research was investigated to evaluate the psychological characteristics and changes of psychological state among dental orthodontic patients. Methods : This cross-sectional questionnaire research was conducted with 230 dental orthodontic patients in Busan from December 23, 2009 to March 6, 2010. The psychological analysis of dental orthodontic treatment patients was performed with Symptom checklist-90-revision(SCL-90-R) considering 5 general characteristics and 2 treatment period related characteristics. Estimated psychological results were changed T-score. Data analysis was performed with descriptive analysis, t-test and ANOVA using SAS(ver 9.1) program. Results : The levels of T-score of SCL-90-R were $43.88{\pm}7.50$ in hostility(HOS), $43.38{\pm}4.64$ in phobic anxiety(PHOB), $43.20{\pm}6.24$ in somatization(SOM), $42.13{\pm}6.71$ in paranoid ideation(PAR), $41.39{\pm}8.16$ in interpersonal sensitive(I-S), $41.01{\pm}7.90$ in obsessive-compulsive(O-C), $40.96{\pm}5.37$ in psychoticism(PSY), $40.96{\pm}5.19$ in anxiety(ANX) and $39.81{\pm}6.80$ in depression(DEP), respectively. The T-score of phobic anxiety in before treatment group was higher than that of treatment groups. The T-score of interpersonal sensitive and paranoid ideation in over 36 months treatment period group were higher than that of other treatment period groups. Conclusions : Phobic anxiety(PHOB), interpersonal sensitive(I-S) and paranoid ideation(PAR) were affected in pre-treatment and long-term treatment dental orthodontic patients. Psychological management methods considering treatment period are needed to improve mental health of dental orthodontic patients.

• Journal of Food Hygiene and Safety
• /
• v.25 no.1
• /
• pp.6-9
• /
• 2010

The present study was undertaken to estimate the antibacterial effect of a combination of C. rhizoma, L. Flos, and P japonica (1:1:1) extracts (CLP1000) and a combination of the herbal extract mixture and dioctahedral smectite (CLPS1000) against murine salmonellosis. At the concentration of CLP1000 and CLPS1000 0.5 mg/ml, the antibacterial effect was not showed on Salmonella typhimurium (S. typhimurium). On the other hand, the antibacterial effect against S. typhimurium was observed at the concentration of CLP1000 and CLPS1000 1.0 mg/ml. Oral administration of Smectite, CLPl000, and CLPS1000 at the dose of 10 mg/ml showed a therapeutic effect for S. typhimurium infected BALB/c mice. The mortality of Smectite, CLP1000 and CLPS1000-treated mice was 90%, 90%, and 70% at 12 days, respectively, while that of untreated mice was 100% at 9 days after a lethal dose of S. typhimurium infection. The results of our study strongly indicate that CLPS1000 has potential as an effective of salmonellosis.

• Journal of Technologic Dentistry
• /
• v.37 no.2
• /
• pp.79-94
• /
• 2015

Purpose: The main purposes of this study are to describe the organization effectiveness and to investigate the effects of dental technicians' work ethic on job satisfaction, organization citizen's action, and organizational commitment. Methods: A total of 300 dental technicians working at dental laboratories in the Daegu area were randomly selected and surveyed, 298 of them were used for the statistical analysis. Results: The work ethic sub-items, such as industry, work centrality, morality, time save, independence, and relation with co-worker are independent variables. The organization effectiveness subi-items, such as job satisfaction, organization citizen's action, and organizational commitment are dependent variables. Sociodemographic variables are used for control variables. Findings are as follows: First, in terms of dental technicians' work ethic, the level of relation with coworker was the highest, and work centrality was the lowest. Second, in terms of dental technicians' organization effectiveness, the level of citizen's organizational action was the highest followed by organizational commitment and job satisfaction in order. Third, the effects of industry, work centrality, time save, relation with coworker, and morality showed statistically significant relationships with organizational effectiveness. Fourth, the effects of industry, work centrality, time save, relation with co-worker, and morality statistically significant relationships with job satisfaction. Fifth, in terms of organization citizen's action, the effects of industry, work centrality, and time save were statistically significant. Sixth, work centrality, time save, relation with coworker, and independence were statistically significant with organizational commitment. Conclusion: Some policy implications for the improvement of organizational effectiveness are introduced and discussed. Dental technicians are required to have vocation and work ethic for themselves and the organization, and by doing so, they may contribute to the improvement of national oral health. Policies and educational programs, which can support them may be necessary.

• Quality Improvement in Health Care
• /
• v.9 no.2
• /
• pp.230-240
• /
• 2002

Background : The purpose of this study was to develop, implement and evaluate the pharmacist intervention program designed to identify and correctly adjust the dosage of $H_2$-receptor antagonists ($H_2RA$) in renally impaired patients and promote timely conversion of $H_2RA$ from IV to PO therapy. Methods : The study population consisted of renally impaired patients who received $H_2RA$ therapy from April 9 to May 8, 2001 at Hallym Medical Center. Each morning a specifically developed software program identified patients with serum creatinine (Scr) greater than 1.2 mg/dl or age greater than 65 years. The pharmacist, then screened the pharmacy profiles of the identified patients to determine if the patient was on $H_2RA$. For these patients on $H_2RA$ with renal impairement the creatinine clearance (CrCl) was calculated using Cockroft & Gault equation. The pharmacist determined the proper dosage for each identified patients based on the calculated CrCl and the oral dosage that would be appropriate for whom IV therapy was no longer indicated. Result : A total of 149 cases (101 patients) were monitored during the study period. The dosage was inappropriately prescribed for renal function in 61 of 149 cases (41%), and of those, pharmacist made recommendations for 58 cases of which 33 cases (57%) were accepted by the physicians. The administration route of H2RA was inappropriately used as IV in 22 of 53 cases (42%), and pharmacist made recommendations for those 22 cases of which 15 cases (68%) were accepted. Conclusion : Monitoring of patients with renal dysfunction by a pharmacist improved the dosing of $H_2RA$ and a dosing program of patients with renal impairment would be of benefit to other clinicians and institutions seeking to optimize patient care.

• Journal of Technologic Dentistry
• /
• v.38 no.4
• /
• pp.299-304
• /
• 2016

Purpose: This research is conducted for better clinical test of Zirconia as we find out the fracture strength difference of Zirconia on cement gaps of full Crown that made use of Zirconia which is somewhat being used in recent dental technology. Methods: We produced each nine of Zirconia Crown of Zirconia fracture cement gaps A group(0.03 mm), B group(0.05 mm), C group(0.08 mm) on cement gaps by use of CAD/CAM, and compared the results. We could end up getting conclusions as following. Results: There was fracture strength difference per cement gaps but no impact(P<0.05). There was difference between $1.962{\pm}0.259$ from group A and $2.005{\pm}0.367$ from group B, but no impact(P<0.05). There was difference between $1.962{\pm}0.259$ from group A and $2.478{\pm}0.331$ from group C, but it's hard to be considered as an impact(P<0.05). Conclusion: Because of the hight pressure 0.08 mm is fractured and Margin has a lot of empty space due to gap for 0.08 mm. To identify the difference between 0.08 mm and 0.05 mm, 0.08 mm is selected as a gap. Therefore when it comes to using 0.05 mm authentically 0.05 mm is quite practical to use as a gap.

• Parasites, Hosts and Diseases
• /
• v.57 no.5
• /
• pp.499-504
• /
• 2019

Head-lice infestation, pediculosis capitis, remains a public-health burden in many countries. The widely used first-line pediculicides and alternative treatments are often too costly for use in poor socio-economic settings. Ivermectin has been considered an alternate treatment for field practice. This study was composed of 2 parts, a cross-sectional survey and an intervention study. The main objectives were to determine the prevalence and potential factors associated with head-lice infestation, and to evaluate the effectiveness and safety of oral ivermectin administration. A community-based cross-sectional survey was conducted among 890 villagers in rural areas along Thai-Myanmar border. Females with infestations were eligible for the intervention study, and 181 participated in the intervention study. A post-treatment survey was conducted to assess acceptance of ivermectin as a treatment choice. Data analysis used descriptive statistics and a generalized-estimation-equation model adjusted for cluster effect. The study revealed the prevalence of head-lice infestation was 50% among females and only 3% among males. Age stratification showed a high prevalence among females aged <20 years, and among 50% of female school-children. The prevalence was persistent among those with a history of infestation. The major risk factors were residing in a setting with other infected cases, and sharing a hair comb. The study also confirmed that ivermectin was safe and effective for field-based practice. It was considered a preferable treatment option. In conclusion, behavior-change communication should be implemented to reduce the observed high prevalence of head-lice infestation. Ivermectin may be an alternative choice for head-lice treatment, especially in remote areas.

• The korean journal of orthodontics
• /
• v.51 no.3
• /
• pp.157-165
• /
• 2021

Objective: This study aimed to identify the clinical effectiveness of two different penetration depths of micro-osteoperforations (MOPs) on the rate of orthodontic tooth movement. Methods: Twenty-four patients requiring the removal of the upper first premolar teeth were selected and randomly divided into two groups. The control group participants did not undergo MOPs. Participants in the experimental group underwent three MOPs each at 4-mm (MOP-4) and 7-mm (MOP-7) depths, which were randomly and equally performed to either the left or right side distal to the canine. The retraction amount was measured on three-dimensional digital models on the 28th day of retraction. MOP-related pain was measured using a visual analog scale (VAS). Between-group statistical differences in the VAS scores were determined using an independent t-test and those in canine retraction were determined using analysis of variance and post-hoc Tukey test. Results: No significant difference was found between the MOP-4 (1.22 ± 0.29 mm/month) and MOP-7 (1.29 ± 0.31 mm/month) groups in terms of the canine retraction rate. Moreover, both the groups demonstrated a significantly higher canine movement than the control group (0.88 ± 0.19 mm/month). MOPs did not significantly affect the mesialization of the posterior teeth (p > 0.05). Moreover, the pain scores in the MOP-4 and MOP-7 groups were similar and showed no statistically significant difference. Conclusions: Three MOPs with a depth of 4 mm can be performed as an effective method to increase the rate of tooth movement. However, three MOPs with depths of 4-7 mm does not additionally enhance tooth movement.

• The Journal of the Convergence on Culture Technology
• /
• v.4 no.4
• /
• pp.181-186
• /
• 2018

The purpose of this study is to provide students with basic information about the stress of the national examination and the stress of the students who have difficulties in school life and the development of counseling and education program for satisfactory academic life. The survey of the 213 students of dental hygiene departments in Chungcheong, Gyungsang region was carried out. As a result of SPSS 3.0 analysis, the index of happiness Satisfaction was the highest points. Happiness index showed statistically significant difference in gender, personality, friendship, academic achievement, pocket money satisfaction, and health status. There was statistically significant difference between the major and the major in satisfaction, personality, friendship, motivation, and power status, and happiness index and major satisfaction were statistically significant.

• Journal of Korean Dental Hygiene Science
• /
• v.3 no.2
• /
• pp.39-49
• /
• 2020

The purpose of this study was to provide the basic data needed to plan the effective teaching design of scaling education and to measure the changes in students' confidence in performing scaling according to the number of scaling practices. Scaling education is presented as a core basic hygiene competency of dental hygienists and evaluated as the practical competency of dental hygienists. This study selected 48 third-year students from the department of dental hygiene at S University in Asan, and analyzed data from completed participant surveys. The degree of "confidence in facing the subject in clinical practice," "confidence in applying hand instrument to the subject," and "confidence in applying ultrasonic instruments to the subject" was assessed on a five-point Likert scale. The difference in confidence was analyzed during five practice sessions. Each response was compared using frequency analysis, chi-square test, and repeated measurement ANOVA. Students who complained of a lack of confidence in the 14.6%, 25.0%, and 12.5%, respectively, in face-to-face practice, hand instruments, and ultrasonic instrument application responses. The more the practice was repeated, the more confident students were in all three categories, and the more statistically significant (p<0.001). As the number of scaling practice sessions increased, students' confidence in performing scaling also improved. In particular, the level of self-confidence was higher after the third practice session when compared to the first session. Therefore, it is necessary to design effective courses for teaching scaling practices so that at least three repetitive practice periods can be provided in clinical dental hygiene practices.