This literature considers Pierre Fauchard's exploits under historical context of the enlightenment movement and development of the surgery during 18th century in France. <치과의사 Le Chirurgien Dentiste, ou Traite des dents>, a vast collection of the former and contemporary dental knowledge, technologies, and skills, established Modern Dentistry. To emphasize the professionality of dental treatment and actions involving it, Fauchard replaces the title 'dental expert' with 'stomatologist, or Le Chirurgien Dentiste' As professionalism tried to contribute to the public interest by sharing dental knowledge and technolgies, it had become a model for the dentists. Moreover, the professionalism has been accepted as an important value throughout the manufacture crafts era and the modern capitalist industrial society. Also the principles of liberty, equality, and tolerance founded during enlightenment movement, which is based on empirical positivism and rational reason, has become the legal basis of modern nations. In order to resolve the contradiction or conflict between 'liberty and equality' by 'tolerance for the public benefit', Korean dentists need develop professionalism.
The purpose of this study is to investigate the determinants of the occupational commitment of dental hygienists in Korea. The independent variables contain three groups of work rewards variables which consist of task reward variables (autonomy, job significance, resource adequacy, role conflict, workload, and routinization), social reward variables(supervisory support, co-worker support, and negative affectivity), and organizational reward variables(job security and promotional chances), and eight sociodemographic variables. The sample of this study consisted of 474 dental hygienists who work at general hospitals, university hospitals, dental hospitals and clinics across the nation. Data were collected with self-administered questionnaires and analyzed using hierarchical regression technique. It was found that: (1) job significance have a significant positive effect on the occupational commitment of dental hygienists; (2) role conflict, workload, routinization, and type of work site have significant negative effect on the occupational commitment of dental hygienists; (3) the study model explains 23.7% of the variance in occupational commitment among dental hygienists. The results of the study indicate that managers of dental clinics and hospitals should make efforts to extend the scope and quality of dental hygienists' work through job enlargement and job enrichment.
Objectives: The aim of this study was to investigate the association between work-related stress and depressive symptoms among dental hygienists. Methods: This survey of dental hygienists was conducted in Gyeonggi province, South Korea. Total of 198 dental hygienists were interviewed in 2014. The occupational stress was evaluated by depression symptoms, which was assessed by the Beck Depression Inventory Scale. To estimate the odds ratio with 95% confidence intervals, logistic regression model was used. Results: Depressive symptoms were reported 46.0%(n=91) among dental hygienists. We found that the work-related stress increased with age, smoking(OR=5.16; 95% CI 1.73-15.3), and those who had the poor perceived health status(OR=4.22; 95% CI=1.50-11.86) was associated with the risk of depressive symptoms. After controlling potential confounders, such as dental hospital(OR=11.05; 95% CI=1.02-118.9), 5-7 years time since first employment(OR=0.15; 95% CI=0.03-0.89), and the group with the high job stress(OR=2.84; 95% CI=1.22-6.79) showed higher risks of depressive symptoms than did no depressive symptoms. Conclusion: Our findings suggest that the risk of depression appears to be related to age, smoking, self-reported health status, type of dental facility, years of practice and the stress of job.
Purpose: The development of the dental technology industry has digitized the dental process. Definition of Digitalization of Dental Implantation Digitalization is the process of model making and prosthodontic processing using 3D CAD and CAM. Currently, it is becoming popular due to the spread of various devices. However, precision evaluation at this stage is an important factor in precision-based dental procedures. Therefore, in this study, we want to analyze the precision of the processed body made with digital dental machine. Methods: The accuracy of digital dental pore devices was evaluated. Specimens were fabricated with 5 types of 3D printers. The external shape was measured with the prepared specimen. The surface roughness was measured. Results: As a result, precision was excellent in order of EP2 specimen, EP1 specimen, and EA2 specimen. The precision of EP3 specimen and EA1 specimen is not excellent. And the precision of the specimen processed with polymer 3D printer is excellent. The accuracy of LCPS type polymer 3D printers is considered to be excellent. Conclusion : 1. Observation of the shape The 3D printer for LCPS system and the 3D printer for SLM $40{\mu}m$ system were found to be precisely processed. 2. Surface roughness results The LCPS system polymer 3D printer has been shown to have a precise surface.
Purpose: Dental diagnostic records derived from study models are a popular method of obtaining reliable and vital information. Conventional plaster models are the most common method, however, they are being gradually replaced by digital impressions as technology advances. Moreover, three-dimensional dental models are becoming increasingly common in dental offices, and various methods are available for obtaining them. This study aimed to evaluate the accuracy of the measurement of dental digital models by comparing them with conventional plaster and to determine their clinical validity. Materials and Methods: The study was conducted on 16 patients' maxillary and mandibular dental models. Tooth size (TS), intercanine width (ICW), intermolar width (IMW), and Bolton analysis were taken by using a digital caliper on a plaster model obtained from each patient, while intraoral scans were manually measured using two digital analysis software. A one-way analysis of variance test was used to compare the dental measurements of the three methods. Result: No significant differences were reported between the TS, the ICW and IMW, and the Bolton analysis through the conventional and two digital groups. Conclusion: Measurements of TS, arch width, and Bolton analysis produced from digital models have shown acceptable clinical validity. No significant differences were observed between the three dental measurement techniques.
This study was conducted to find out the relationship between dental anxiety and self-efficacy, physical and psychological condition and expected self-efficacy. The objective of this study was also to provide foundation for appropriate dental hygiene intervention model for scaling. In this study, anxiety reactions were measured among 178 patients, who made appointment with dental hygienists for scaling between May and July, 2009. The analysis was done in SPSS 12.0 statistical program which confirmed Cranach's alpha value. Technical statistics, t-test and One-way ANOVA, correlation and regression were also used. The result of the study is following: While dental hygienist conducts scaling, the dental anxiety was each measured in following categories: Thus male, age between 40 and 50, single, high school graduated and unemployed were measured highest dental anxiety among various groups. Dental Fear Scale demonstrated the validity of relationship between dental anxiety and self efficacy. The correlation was equated as r=-.409(p<0.01). In the other words, the higher self efficacy, the lower dental anxiety. The relationship between dental anxiety and physical and physiological condition was relevant. Physical condition was r=-.229(p<0.01) And then, the psychological condition was r=-.299(p<0.01). Thus, better physical and physiological condition results in less dental anxiety. The relationship between expected Self-efficacy and dental anxiety is also valid. The dental anxiety after performance accomplishment is r=-.239(p<0.01), after vicarious experience is r=-.195(p<0.01), after verbal persuasion is r=-.152(p<0.05), after recognition of physiological state is r=-.410(p<0.01). In conclusion, sex, age, marital status, education level, employment, physical condition, physiological condition are all relevant to dental anxiety(F=8.834). Both independent and dependent variables p<.05 have 37.5% persuasiveness.
Background: The number and curriculum of dental hygienists in Korea have dramatically increased. Controversies have since resulted from insufficient job descriptions of the work performed by a dental hygienist. A dentist's perception was examined to legally reflect the actual work of dental hygienists. Methods: Four hundred and nineteen dentists were surveyed about the duties of a dental hygienist. Their views on the career and availability of each job were examined. The duties of the dental hygienist include 13 items in dental treatment preparation, 14 items of radiography, 21 items of preventive dentistry, 6 items of periodontal treatment, 12 items of oral medicine, 12 items of conservative dentistry, 8 items of prosthetics, 10 items of orthodontics, 7 items of oral and maxillofacial surgery, 6 items of implantation, 6 items of impression taking and model fabrication, 5 items of anesthesia and injection, 11 items of management and administrative, and 3 items of self-development. Results: Most of the duties were doable by a dental hygienist. Many dentists reported that managing implants, oral hygiene of special patients, some duties in oral medicine, teeth brightening, making temporary crowns, making individual trays, selecting shades, ligaturing, and precision impressions need ≥3 years of experience. Duties perceived by dentists not to be performed by dental hygienists were reading radiographs (55.4%), suture and stitch out (48.0%), intramuscular injection (36.0%), root planning (27.2%), cementation and removal of prostheses (23.2%), and examining pulp vitality (22.0%). Conclusion: Current laws are to be revised to include, the care provided by dental hygienists and under a physician's supervision. Flexibility is also needed to cope with rapidly changing dental technology.
This study set out to examine the knowledge about and preventive actions against musculoskeletal diseases among dental hygiene students according to the Health Belief Model, suggest a need for programs to promote health and prevent those diseases, and investigate their relations, A survey was taken among 83 sophomores and 114 juniors at the dental hygiene major of a college in Gyeonggi Province. Analyzed by using SAS 8.0 version. The findings are as follows: 1. The sophomores and juniors scored $22.50{\pm}2.37$ and $22.29{\pm}3.01$ points, respectively, on susceptibility of the Health Belief Model with significant differences between the two groups(P < 0.01). Significant differences were also found between the sophomores that scored $18.82{\pm}2.60$ points and the juniors that scored $18.64{\pm}2.77$ points on benefit(P < 0.05). 2. The juniors experienced a higher level of pain than the sophomores with statistical significance observed on the neck, shoulder, lower back, knee, foot, and ankle(P < 0.05). 3. Of the Health Belief Model, severity had significant positive correlations with 'Placing frequently used tools near the dental technician' and 'Trying to avoid repeating the same task and diversify tasks'(P < 0.01). And benefit was positively correlated with 'Trying to reduce the frequency of bending and stretching out during treatment, 'Trying not to lean much with the neck, back, arm, and wrist' and 'Trying to maintain the torso in the neutral position'(P < 0.01). The results suggest that there should be some instructions to help dental hygiene students practice the preventive actions against musculoskeletal diseases and further prevention programs against those diseases.
Journal of Dental Rehabilitation and Applied Science
/
v.31
no.4
/
pp.316-328
/
2015
Purpose: The objects of this study was to evaluate the accuracy of the dental stone casts made from alginate impressions according to storage condition and stone pouring time. Materials and Methods: Each of upper and lower impressions of dental model was taken. The dental stone models were made immediately, 10, 30, 60, 180, 360 minutes after the impressions were taken at each storage condition. 3D models were constructed by scanning the stone model using 3D laser scanner. With Reference points, positioned on digital models, linear measurements of the dimensional change were compared by 3D metrology software, 3D average models were made and superimposition to identify the specific site of dimensional change and to measure surface deviation (mm). Results: Dental stone models which were made immediately after taking the impression showed the smallest linear dimensional change. As the stone pouring time was prolonged, the linear dimensional change was increased. More than 180 minutes after impression taking, linear dimensional change and surface distortion increased in the posterior molar region, regardless of the storage condition. Conclusion: For the optimum accuracy of the dental stone casts, alginate impression should be poured as soon as possible. If there were a need for storing, a humidor with 100% relative humidity must be used and be stored less than 180 minutes to fabricate the accurate dental model.
This study aims to figure out the effects of dental hygienists' professionalism and self-efficacy on job satisfaction using structural equations. This research conducted a survey to 616 study subjects. According to the analysis using SPSSWIN 18.0 and AMOS 20, the results are as follows : 1. It was shown that the dental hygienists' professionalism gained 3.34 points, self-efficacy was 3.76 points, and job satisfaction received 3.36 points. 2. It was found that as their age was higher, educational degree was higher, they were married, and working experience was more, their professionalism, self-efficacy, and job satisfaction were higher, which showed statistically significant difference. 3. Regarding the study model, there was positive effect as the correlation coefficient of professionalism and self efficacy was .69, that of professionalism and job satisfaction was .33, that of self-efficacy and job satisfaction was .59. In other words, there was correlation between professionalism and self-efficacy. When self-efficacy was higher than professionalism, job satisfaction also increased. Job satisfaction is affected by various environments within an organization and each individual's internal factors. The reason why job satisfaction is important is that along with the medical service quality and productivity, it is also associated with dental hygienists' individual life quality. In order to cope with this changeful time, it is needed for an organization to make efforts for change to enhance dental hygienists' job satisfaction, and also it is necessary to make endeavors so that dental hygienists can have confidence in their job and their professionalism and self-efficacy can be improved.
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