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Journal of Technologic Dentistry 2023; 45(4): 118-123

Published online December 30, 2023

https://doi.org/10.14347/jtd.2023.45.4.118

© Korean Academy of Dental Technology

치과기공사의 직무기반 국가 실기시험 실행을 위한 조사 연구

김재홍1, 김기백2

1부산가톨릭대학교 치기공학과, 2대전보건대학교 치기공과

Received: November 6, 2023; Revised: November 21, 2023; Accepted: December 7, 2023

Survey research to implement a job-based national practical exam for dental technicians

Jae-Hong Kim1 , Ki-Baek Kim2

1Department of Dental Laboratory Science, College of Health Science, Catholic University of Pusan, Busan, Korea
2Department of Dental Lab Technology, Daejeon Health Institute of Technology, Daejeon, Korea

Correspondence to :
Ki-Baek Kim
Department of Dental Lab Technology, Daejeon Health Institute of Technology, 21 Chungjeong-ro, Dong-gu, Daejeon 34504, Korea
E-mail: kimkb@hit.ac.kr
https://orcid.org/0000-0003-3821-9764

Received: November 6, 2023; Revised: November 21, 2023; Accepted: December 7, 2023

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose: This study proposes measures needed to implement a job-based national practical exam for dental technicians.
Methods: For this study, a survey was conducted targeting 244 currently employed individuals. The current national practical test for dental technicians was divided into directions for the job-based practical test, subjects that need improvement among the current practical test subjects, items that need to be reflected in the practical test evaluation for each subject, and subjects that need to be added to the practical test. It comprised ten questions (Cronbach’s α=0.801).
Results: The following results were obtained. Satisfaction with the current practical test was lower than average. Future improvement should focus on job-based evaluation. The dental ceramic lab technology subject needs to be reorganized urgently, and the tasks that require evaluation for each subject are different. Moreover, if evaluation subjects are added in the future, the introduction of assessment for dental CAD/CAM (computer-aided design/ computer-aided manufacturing) subjects was found to be the most urgent.
Conclusion: In this study, the most necessary tasks of the current national practical examination for dental technicians were evaluated and the content needed for future reorganization was investigated. Future tests should be expanded to evaluate critical job areas. Furthermore, it is necessary to open new courses in fields such as CAD/CAM, as they are in high demand in the workplace.

Keywords: Dental technicians, National exam

Article

Original Article

Journal of Technologic Dentistry 2023; 45(4): 118-123

Published online December 30, 2023 https://doi.org/10.14347/jtd.2023.45.4.118

Copyright © Korean Academy of Dental Technology.

치과기공사의 직무기반 국가 실기시험 실행을 위한 조사 연구

김재홍1, 김기백2

1부산가톨릭대학교 치기공학과, 2대전보건대학교 치기공과

Received: November 6, 2023; Revised: November 21, 2023; Accepted: December 7, 2023

Survey research to implement a job-based national practical exam for dental technicians

Jae-Hong Kim1 , Ki-Baek Kim2

1Department of Dental Laboratory Science, College of Health Science, Catholic University of Pusan, Busan, Korea
2Department of Dental Lab Technology, Daejeon Health Institute of Technology, Daejeon, Korea

Correspondence to:Ki-Baek Kim
Department of Dental Lab Technology, Daejeon Health Institute of Technology, 21 Chungjeong-ro, Dong-gu, Daejeon 34504, Korea
E-mail: kimkb@hit.ac.kr
https://orcid.org/0000-0003-3821-9764

Received: November 6, 2023; Revised: November 21, 2023; Accepted: December 7, 2023

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose: This study proposes measures needed to implement a job-based national practical exam for dental technicians.
Methods: For this study, a survey was conducted targeting 244 currently employed individuals. The current national practical test for dental technicians was divided into directions for the job-based practical test, subjects that need improvement among the current practical test subjects, items that need to be reflected in the practical test evaluation for each subject, and subjects that need to be added to the practical test. It comprised ten questions (Cronbach’s α=0.801).
Results: The following results were obtained. Satisfaction with the current practical test was lower than average. Future improvement should focus on job-based evaluation. The dental ceramic lab technology subject needs to be reorganized urgently, and the tasks that require evaluation for each subject are different. Moreover, if evaluation subjects are added in the future, the introduction of assessment for dental CAD/CAM (computer-aided design/ computer-aided manufacturing) subjects was found to be the most urgent.
Conclusion: In this study, the most necessary tasks of the current national practical examination for dental technicians were evaluated and the content needed for future reorganization was investigated. Future tests should be expanded to evaluate critical job areas. Furthermore, it is necessary to open new courses in fields such as CAD/CAM, as they are in high demand in the workplace.

Keywords: Dental technicians, National exam

Table 1 . General characteristics of this study subjects (N=244).

Age and careerMean
Age (yr)38.1
Working career (yr)12.8
Education career (yr)2.6
ClassificationN (%)
Sex
Male163 (66.8)
Female81 (33.2)
Position
Employee82 (33.6)
CEO60 (24.6)
Manager52 (21.3)
Professor31 (12.7)
Etc.19 (7.8)
Region
Gyeonggi116 (47.6)
Seoul52 (21.3)
Gyeongsang51 (20.9)
Chungcheong14 (5.7)
Jeolla7 (2.9)
Gangwon3 (1.2)
Foreign country1 (0.4)
Responsibility*
Porcelain84 (19.8)
CAD/CAM67 (15.7)
Crown & bridge58 (13.6)
Full denture46 (10.8)
Management41 (9.6)
Partial denture29 (6.8)
Inlay26 (6.1)
Implant24 (5.6)
Removable22 (5.2)
Etc.22 (5.2)
All fields7 (1.6)
Total244 (100.0)

CAD/CAM: computer-aided design/computer-aided manufacturing..

*Duplicate response: 426 (100.0%)..


Table 2 . Matters pertaining to the current national practical examination for dental technicians.

QuestionMean±SD
Overall satisfaction with the current dental technician practical exam3.04±0.85
Opinions on whether the current dental technician practical exam can demonstrate all of the tester's dental technician knowledge and abilities2.74±0.93
Opinions on evaluating practical skills through one practical subject as is currently the case2.89±0.98
Opinions on the extent to which the current dental technician practical exam reflects clinical duties2.50±0.99
Satisfaction with the current dental technician practical exam subjects3.04±0.77
Total2.84±0.90

Likert's 5 point scale (min 1, max 5)..

SD: standard deviation..


Table 3 . Future direction of national practical exam for dental technicians.

QuestionN (%)
Evaluation based on job competency181 (58.6)
Evaluation based on school curriculum67 (21.7)
Evaluation of various subjects43 (13.9)
Current test18 (5.8)
Total309 (100.0)

Duplicate response..


Table 4 . Subjects needing improvement.

SubjectsN (%)
Dental ceramic lab technology143 (25.6)
Crown & bridge lab technology133 (23.8)
Full denture lab technology106 (19.0)
Partial denture lab technology103 (18.4)
Combined subjects74 (13.2)
Total559 (100.0)

Duplicate response..


Table 5 . Ranking of task areas requiring evaluation by subject.

RankCrown & bridge lab technologyDental ceramic lab technologyPartial denture lab technologyFull denture lab technology




TaskN (%)TaskN (%)TaskN (%)TaskN (%)
1Wax up*117 (30.7)Wax up*110 (36.9)Metal framework design*81 (35.2)Artificial tooth arrangement*94 (33.0)
2Production of working cast97 (25.5)Porcelain build up79 (26.5)Block out and relief42 (18.3)Base plate and occlusal rim*62 (21.8)
3Mounting86 (22.6)Contouring49 (16.4)Surveying40 (17.4)Mounting46 (16.1)
4Finishing and polishing42 (11.0)Production of working cast44 (14.8)Production of surveyed crown*38 (16.5)Production of individual tray43 (15.1)
5Investing39 (10.2)Mounting16 (5.4)Production of working cast29 (12.6)Production of working cast40 (14.0)
Total381 (100.0)298 (100.0)230 (100.0)285 (100.0)

Duplicate response..

*The task currently being evaluated..


Table 6 . Subjects you would like to see added to the national practical exam in the future.

SubjectN (%)
Dental CAD/CAM42 (57.5)
Orthodontic9 (12.3)
Dental implant8 (11.0)
Dental 3D printing3 (4.1)
Etc.11 (15.1)
Total73 (100.0)

CAD/CAM: computer-aided design/computer-aided manufacturing, 3D: three-dimensional..


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Journal of Technologic Dentistry

eISSN 2288-5218
pISSN 1229-3954
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