Objectives : In order to manage to reformative tendency of the educational whole with change request of dental hygienics education which is diversificated and professionalized the manufacturing practice of a temporary resin jacket which is educated with from much dental hygiene is become accomplished, so far also the recognition which relates with the manufacturing practice of a temporary resin jacket of dental hygiene students there is not researched. The present research carried out the practice evaluation with the target of students of a dental hygiene department, who finished a manufacturing practice of a temporary resin jacket, analyzed and investigated the material, reported its result, and enforced a research. Methods : This research selected students of 6 dental hygiene departments located in the Daegu Gyeongbuk region, who have manufacturing experience of a temporary resin jacket, by a convenient sampling method, and then a questionnaire was executed by a self-administration method, and a total of 290 copies were statistically treated. The content of the questionnaire are composed of 2 questions on an attitude survey before and after manufacturing practice of a temporary resin jacket, 3 questions on an educator for practice of a temporary resin jacket, 7 questions on recognition of technical skills for manufacturing a temporary resin jacket, 9 questions on the practice content evaluation of manufacturing of a temporary resin jacket and recognition on manufacturing practice of a the temporary resin jacket. Results : 1. The average of recognition on technical skills for manufacturing a temporary resin jacket of a dental hygienist was 3.82 points, the average of evaluation on practice content of manufacturing a temporary resin jacket being 3.75 points, and the average of recognition on the practice of manufacturing a temporary resin jacket was 3.71 points. 2. Currently, as the educator for the practice of manufacturing a temporary resin jacket, dental hygienists were 188 persons(64.8%) and dental technicians was 102 persons(35.2%), and as educators they want in the future, dental hygienists were 97 persons(33.3%) and dental technicians was 193 persons(66.7%). Persons hoping reeducation for manufacturing a temporary resin jacket were 219 persons(85.9%). 3. There was a significant difference in consciousness of students before and after practice of manufacturing a temporary resin jacket(p<.001). 4. There was a significant difference in practice evaluation and practice recognition according to the educational subject(p<.001). 5. There was a significant reverse correlation in the educational subject, practice evaluation and practice recognition(p<0.01). Conclusions : The practice for manufacturing a temporary resin jacket in education of dental hygiene is necessary to improve job performance ability in more various and specialized dental treatment and to solve desire for improvement of professional technical skill ability of students, and accordingly. About study process of the future students observation investigation or student objective interview investigation etc. seeks a problem in the become research lead, the succeeding research which gropes the plan which is the possibility of solving the problem which discovered is thought will be necessary.
The purpose of this study was to develop Intensive Care Unit (ICU) admission and discharge criteria that would lead to the appropriate utilization of ICU resources and nursing services. For this study, a conceptual framework was developed through a review of the literature. Then in order to identify the overall health condition of patients in the ICU, and to draw up preliminary criteria, the medical records of 58 patients who were admitted to the ICU of Y Medical Center in Seoul between March, 1999 to February, 2000 of were analyzed. Two expert validity tests were done for the preliminary criteria for admission and discharge with 21 patients over 18 years of age who were admitted patients and for 12 patients who were discharged between May 30, 2000 and June 5, 2000 a clinical validity test was also done. After this process, the final admission and discharge criteria were developed. The results of this study are summarized as follows: 1. After a review of the literature, there were 9 categories for admission criteria cardiologic, gastrointestinal, neurologic, endocrine, post-op care of major surgery, vital signs, laboratory values, and a category of miscellaneous items. Discharge criteria had 3 categories which were vital signs, laboratory values, and a category of miscellaneous items. 2. From the medical records of the 58 patients who were admitted to the ICU, 45 items for preliminary criteria for admission and 17 for discharge were identified. 3. The two expert validity tests showed that of the 45 items 29 admission items received over 75 percent agreement. The 16 admission items which received less than 75 percent agreement were revised or deleted from the admission criteria. Of the 17 discharge items, 11 had over 75 percent agreement and 6 less then 75 percent agreement. These were revised or deleted from the discharge criteria. 4. In the clinical validity test, 14 admission items showed more than 75 percent agreement and 11 discharge items more than 83 percent agreement. 5. The final criteria consisted of 29 items for admission and 11 items for discharge. Since patients being considered for admission to the ICU have complex problems, there is a need to make the decision based on more than a single issue. This tool will insure that the ICU nursing care and treatment resources are appropriately used by allowing a multi-professional health team to make admission and discharge decisions.
Purpose: To describe the impingement of the osteophyte between the olecranon process and olecranon fossa and to understand the effect of removing the lesion on the elbow extension in heavy workers. Materials and Methods: Arthroscopy was performed to elbow of heavy industrial workers who complained painful limitation of elbow extension.6 patients(Teases) with average age of 43 year were selected. The average ROM showed flexion contracture of $17^{\circ}$ and further flexion of $87^{\circ}$. Results: In all cases, after the operation two months follow up, mean flexion contracture improved from $17^{\circ}\;to\;2^{\circ}$ with further flexion from$87^{\circ}\;to\;122^{\circ}$. After the operation 1 year follow up, the mean flexion contracture was $3^{\circ}$ and further flexion was $113^{\circ}$. Pain relief within acquired range of motion was achieved in all cases and there was no complication in this series. Conclusion: Selective removal of the impingement bony spur for treatment of flexion contracture in the patient with chronic cumulative trauma disorder patients appear to be effective method to control pain, recover joint movement and at] ow early rehabilitation.
This study was performed to evaluate the activities of glutathione S-transferase (GST) and lactate dehydrogenase (LDH) in Maddin-Darby canine kidney (MDCK) cells infected with virus and/or treated with amantadine. On cell morphological findings, monolayer fractions in MDCK cells infected with virus were exfolated more than 80% in 1 TCID$_{50}$ group and that in 10 TCID$_{50}$ were completely exfolated after 3 days during infectious process. In proportion to the dose of amantadine, activities of GST and LDH of MDCK cells were significantly decreased and those of LDH in medium fraction were more significantly increased compared with control. According to in both dose and time of virus innoculation, activities of GST and LDH in MDCK cells were significantly decreased in 1 and 10 TCID$_{50}$ infected cells after 3 days. LDH activities in infectious medium were remarkably rised at 10 fold. In case of the cell line inoculated with type A 100 TCID$_{50}$ and additionally treated with amantadine, the decreasing rate to the control in activities of GST and LDH was lower than that in those in case of that infected with virus only. These results suggested that virus infection and amantadine treatment may effect the activity of the detoxicating enzyme in the target cells.
Journal of the Korea Academia-Industrial cooperation Society
/
v.19
no.9
/
pp.391-401
/
2018
This study was conducted to investigate the effects of implementation of the healthcare accreditation system on patient safety, quality of medical care, organization culture and management performance of convalescent hospitals. Ten hospitals were selected at random from among 36 convalescent hospitals in Daegu that had obtained accreditation until September 2015. To accomplish this, hospital staff were surveyed from 15 February to 25 March, 2016 using a questionnaire with 253 objects. We investigated how the healthcare accreditation system has influenced patient safety, service quality, organization culture and performance of hospital management. The change in the treatment support system showed the highest score of 3.93 among quality change and medical service items, while that of personnel source culture showed the highest score of 3.78 points among organization culture items, and that of internal process view, study and growth view showed the highest score of 3.71 among management performance items. Multiple regression analysis revealed that factors positively changing hospital management performance were nurses, employees and managers, basic value systems, organization culture, personnel source culture, open system culture, hierarchical culture, and production oriented culture. The quality of patient safety and medical care was positively influenced by changes in the quality of convalescent hospitals after implementation of the healthcare accreditation system. However, among the four types of organizational culture, the financial perspective was relatively low compared to other perspectives.
Hectorite was synthesized by a two-step hydrothermal process from $Mg(OH)_{2}$, water glass (${\sim}30\;wt%\;SiO_{2}$) and Li-compound at $90{\pm}5^{\circ}C$. The product shows excellent dispersion and swelling properties. The mixture of the starting materials was heated in a glass vessel for the first reaction with continuous stirring and the pH of the solution was adjusted to $6{\sim}8$, resulting in the formation of a precursor of hectorite. The excess salt components were washed out from the resulting slurry and then was matured in the glass vessel for the 2nd reaction. Li compound was added during the reaction. After a 10 h retention, the gel of hectorite was formed. The XRD pattern of the synthesized one was coincided with that of natural hectorite and SEM study revealed uniform grains 50 m in diameter. The d001 basal spacing of the product moved from 12 to $17.4\;{\AA}$ after glycolation treatment. The measured value of CEC and the swelling capacity was 90 cmol/kg and $60{\sim}70\;mL/2\;g$, respectively.
Kim, Young-Kyun;Park, Jong-Kwan;Kim, Hwi-Jun;Kong, Man-Sik;Lee, Kee-Ahn
Journal of Powder Materials
/
v.24
no.2
/
pp.133-140
/
2017
This study investigates the oxidation properties of Fe-14Cr ferritic oxide-dispersion-strengthened (ODS) steel at various high temperatures (900, 1000, and $1100^{\circ}C$ for 24 h). The initial microstructure shows that no clear structural change occurs even under high-temperature heat treatment, and the average measured grain size is 0.4 and $1.1{\mu}m$ for the as-fabricated and heat-treated specimens, respectively. Y-Ti-O nanoclusters 10-50 nm in size are observed. High-temperature oxidation results show that the weight increases by 0.27 and $0.29mg/cm^2$ for the as-fabricated and heat-treated ($900^{\circ}C$) specimens, and by 0.47 and $0.50mg/cm^2$ for the as-fabricated and heat-treated ($1000^{\circ}C$) specimens, respectively. Further, after 24 h oxidation tests, the weight increases by 56.50 and $100.60mg/cm^2$ for the as-fabricated and heat-treated ($1100^{\circ}C$) specimens, respectively; the latter increase is approximately 100 times higher than that at $1000^{\circ}C$. Observation of the surface after the oxidation test shows that $Cr_2O_3$ is the main oxide on a specimen tested at $1000^{\circ}C$, whereas $Fe_2O_3$ and $Fe_3O_4$ phases also form on a specimen tested at $1100^{\circ}C$, where the weight increases rapidly. The high-temperature oxidation behavior of Fe-14Cr ODS steel is confirmed to be dominated by changes in the $Cr_2O_3$ layer and generation of Fe-based oxides through evaporation.
Near Infrared Spectroscopy (NIRS) has been used as a tool for the rapid, accurate and nondestructive assay of the fresh rice leaf in nitrogen content. NIRS used in this study was visible and near infrared spectroscopy type instrument, Foss model 6500. To obtain a useful calibration equation, standard regression between the data was analyzed by chemical analysis and by NIRS method. Accuracy of calibration equation for nitrogen content on fresh leaf of rice were 0.879, 0.858 and 0.819, respectively. Accuracy of calibration equation after outlier treatment increased as 0.017, 0.02 and 0.061 improved each with 0.896, 0.878 and 0.880, respectively. Calibration equation combined using merge function after accuracy of calibration equation more increased by 0.911. Difference analysis value between calibration equation and lab value by kjeldahl showed $0.001\%$. With this as same result is the possibility of closing the deterioration of the sample in order to omit a construction and pulverization process it is judged with the fact that the nitrogen content measurement of the fresh rice leaf which the possibility of reducing an hour and an expense is by a near infrared spectroscopy technique will be possible.
Kim, Minsu;Bae, Youngeun;Kim, Jiyeon;Jo, Anna;Yoon, Hyunseo;Song, Eunju;Jeong, Taesung
Journal of the korean academy of Pediatric Dentistry
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v.42
no.3
/
pp.226-232
/
2015
Critical pathway (CP) defines the optimal care process, sequencing and timing of intervention by multidisciplinary health care teams for a particular diagnosis and procedure. The aim of the study was to evaluate the clinical usefulness and the satisfaction of patients and dental staff after implementation of a critical pathway for the dental treatment of disabled children and adolescents under conscious sedation. Thirty patients are divided in two groups (Pre-CP and CP) at the department of Pediatric Dentistry of Pusan National University Dental Hospital. The satisfaction levels of patients/guardians and the staff members were collected by survey questionnaire. The parents' satisfaction was significantly improved after the implementation of CP. Also, medical/dental staff members were highly satisfied with its usefulness. The application of a critical pathway for disabled children and adolescents might be useful and improve the satisfaction of the parents and medical/dental staff members.
Journal of Dental Rehabilitation and Applied Science
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v.23
no.4
/
pp.283-292
/
2007
Two-step or one-step bonding systems generally inhibit curing process of dual-cured core build-up resin composite for their adhesive acidity. In addition this dual-cured core build-up resin composite can be applied to dentin of pulp chamber and root at the time that complete the endodontic treatment. The purpose of this investigation was to determine the influence of sodium hypochlorite on rnicrotensile bond strength of dual-cured core build-up resin composite. Extracted human molars were horizontally sectioned with 1mm thickness using low speed diamond saw. After the sectioned specimens were divided into 8 groups, adhesive systems (Clearfil SE-Bond, Prime&Bond NT[2-step, 1-step], Adper Prompt L-Pop) were then applied with or without sodium hypochlorite pretreatment. The treated specimen was filled with dual-cured core build-up resin composite (Luxacore, DMG corp., German). Then light cured for 40 seconds and soaked in $37^{\circ}C$ water bath for 24 hours. After the treated specimen was grinded with 1mm width and measured rnicrotensile bond strength by testing machine. Additionally 8 teeth were prepared for SEM evaluation. The results were as follows. : NaOCl treated groups generally had lower rnicrotensile bond strength but did not show any difference statistically except Adper Prompt L-Pop. When the teeth were treated by NaOCl, though the difference of applied adhesive system, it had no statistically significant difference within the NaOCl treated groups except the relation of between ClearFil SE-Bond adhesive system and Adper Prompt L-Pop adhesive system. In the SEM evaluation, NaOCl treated groups presented relatively long resin tags and incomplete hybrid layer formation generally.
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