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치과기공 CAD/CAM 사용에 대한 실태변화

Changes in the Usage of Dental Technology CAD/CAM


Purpose: The purpose of this study was to examine the usage of CAD/CAM, which is one of dental technologist duties, in an effort to look for any possible changes in the usage of CAD/CAM. It's specifically meant to compare the results of this study with those of Lee Jong-do, Park Kwang-Sig(2011)'s study in March, 2011, to determine if there were any changes over the past four years. The selected variables that were investigated were the ownership of CAD/CAM, awareness of it, the route of acquiring the first information on it, the merits and demerits of its usage, usage experience and educational experience about it. Methods: An online survey was conducted on the dental technologists who worked in urban communities including metropolitan cities to find out the usage of CAD/CAM in 2015 from July 15 to 31, 2015, after existing questionnaire items were modified. The collected data were analyzed by IBM SPSS statistics 22.0, and statistical data on frequency, percentage, mean and standard deviation for each item were obtained. To figure out the characteristics of the subjects and the relationship between their occupational characteristics and the usage of CAD/CAM, crosstabs, independent-samples t-test and one-way ANOVA were utilized. As for the usage of CAD/CAM in 2011, the results of Lee Jong-do, Park Kwang-Sig(2011)'s study were selected, and then a comparative analysis was made. The level of significance was all set at .05. Total 250 questionnaires were distributed to them, and 190(76.0%) were returned. After excluding 23 whose answers were uncertain or seemed to lack reliability, total 167(66.8%) were used in final analysis. Results: As a result of analyzing the usage of CAD/CAM that was one of dental technologist duties, there was a great increase in the ownership of CAD/CAM in their workplaces from 2.4 percent in 2011 to 71.7 percent in 2015, and there was an improvement in awareness about it and the necessity of its usage as well. In 2011, the Internet and mass media were the most common route that they got to know about it. They had a strong tendency to acquire related knowledge through education in 2015, and there were some changes in the products that they used or preferred. In both years, the great merit of CAD/CAM was the simplified manufacturing process of restoration, and it had another great advantages in 2015 such as the improved quality of restoration or improved environments for dental technology. Concerning disadvantages, high price was a big problem in 2011. In 2015, not only price but the burden of material costs, frequent breakdown, poor demand among dental clinics and a lack of CAD/CAM professionals were pointed out a lot. In the future, this researcher intends to make research to seek ways of improving CAD/CAM professionals. Conclusion: There was more awareness of CAD/CAM in 2015 than in 2011 when the changes in awareness of it were analyzed, and the finding suggest the necessity of sustained education and concern.



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참고문헌 (7)

  1. Alexander W et al. CAD/CAM Practical Techniques for Dentists and Dental Technicians. Dental Communication publishing, 38, 2014. 
  2. Choi HS, Ji EM, Kim SH. The Application of CAD/CAM in Dentistry. J Kor Dent Asso, 50(3), 110-117, 2012. 
  3. Kim UC. et al. The newest dental CAD/CAM. Jisung publishing, 11, 2010. 
  4. Lee HH. A Clinical consideration of current dental Zirconia CAD/CAM restorations, J Kor Dent Asso, 49(5), 279-285, 2011. 
  5. Lee JD, Park KS. A study on the dental technician's perception of the digitalization of dental technology. J Kor Acad Dent Tech, 247-256, 2011. 
  6. Lee SG. Lee SR. Dental disease market trends. Health Technology Transfer Center, Tech Market Report, 41, 2014. 
  7. Zo JH. The effects of sintering temperature influence on the mechanical property and microstructure of dental zirconia block. Gyeonsang National University, 01, 2014. 

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