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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제10권 제5호
- 발행연도
- 2018.1
- 수록면
- 335 - 339 (5page)
이용수
초록· 키워드
오류제보하기
PURPOSE. The purpose of the present study was to compare scanning trueness and precision between an abutment impression and a stone model according to dental computer-aided design/computer-aided manufacturing (CAD/CAM) evaluation standards. MATERIALS AND METHODS. To evaluate trueness, the abutment impression and stone model were scanned to obtain the first 3-dimensional (3-D) stereolithography (STL) file. Next, the abutment impression or stone model was removed from the scanner and re-fixed on the table; scanning was then repeated so that 11 files were obtained for each scan type. To evaluate precision, the abutment impression or stone model was scanned to obtain the first 3-D STL file. Without moving it, scanning was performed 10 more times, so that 11 files were obtained for each scan type. By superimposing the first scanned STL file onto the other STL files one by one, 10 color-difference maps and reports were obtained; i.e., 10 experimental scans per type. The independent t-test was used to compare root mean square (RMS) data between the groups (α=.05). RESULTS. The RMS±SD values of scanning trueness of the abutment impression and stone model were 22.4±4.4 and 17.4±3.5 μm, respectively (P<.012). The RMS±SD values of scanning precision of the abutment impression and stone model were 16.4±2.9 and 14.6±1.6 μm, respectively (P=.108). CONCLUSION. There was a significant difference in scanning trueness between the abutment impression and stone model, as evaluated according to dental CAD/CAM standards. However, all scans showed high trueness and precision.
목차
등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
정일도 / 2017 / Ceramic molar crown reproducibility by digital workflow manufacturing: An in vitro study / The Journal of Advanced of Prosthodontics 9(4):252~256
Luthardt RG / 2005 / Accuracy of intraoral data acquisition in comparison to the conventional impression / Int J Comput Dent 8:283~294
Carbajal Mejia JB / 2017 / Influence of abutment tooth geometry on the accuracy of conventional and digital methods of obtaining dental impressions / J Prosthet Dent 118:392~399
Gonzalez de Villaumbrosia P / 2016 / In vitro comparison of the accuracy (trueness and precision) of six extraoral dental scanners with different scanning technologies / J Prosthet Dent 116:543~550
전진훈 / 2014 / Accuracy of 3D white light scanning of abutment teeth impressions: evaluation of trueness and precision / The Journal of Advanced of Prosthodontics 6(6):468~473
Luthardt RG / 2005 / Accuracy of intraoral data acquisition in comparison to the conventional impression / Int J Comput Dent 8:283~294
Carbajal Mejia JB / 2017 / Influence of abutment tooth geometry on the accuracy of conventional and digital methods of obtaining dental impressions / J Prosthet Dent 118:392~399
Gonzalez de Villaumbrosia P / 2016 / In vitro comparison of the accuracy (trueness and precision) of six extraoral dental scanners with different scanning technologies / J Prosthet Dent 116:543~550
전진훈 / 2014 / Accuracy of 3D white light scanning of abutment teeth impressions: evaluation of trueness and precision / The Journal of Advanced of Prosthodontics 6(6):468~473
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