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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제10권 제4호
- 발행연도
- 2018.1
- 수록면
- 328 - 334 (7page)
이용수
초록· 키워드
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PURPOSE. To evaluate the reproducibility of scan-based abutments using a blue light model scanner. MATERIALS AND METHODS. A wax cast abutment die was fabricated, and a silicone impression was prepared using a silicone material. Nine study dies were constructed using the prepared duplicable silicone, and the first was used as a reference. These dies were classified into three groups and scanned using a blue light model scanner. The first three-dimensional (3D) data set was obtained by scanning eight dies separately in the first group. The second 3D data set was acquired when four dies were placed together in the scanner and scanned twice in the second group. Finally, the third 3D data set was obtained when eight dies were placed together in the scanner and scanned once. These data were then used to define the data value using third-dimension software. All the data were then analyzed using the non-parametric Kruskal–Wallis H test (α=.05) and the posthoc Mann-Whitney U-test with Bonferroni’s correction (α=.017). RESULTS. The means and standard deviations of the eight dies together were larger than those of the four dies together and of the individual die. Moreover, significant differences were observed among the three groups (P<.05). CONCLUSION. With larger numbers of abutments scanned together, the scan becomes more inaccurate and loses reproducibility. Therefore, scans of smaller numbers of abutments are recommended to ensure better results.
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참고문헌 (32)
참고문헌 신청
Hung SH / 1990 / Marginal fit of porcelain-fused-to-metal and two types of ceramic crown / J Prosthet Dent 63:26~31
Tjan AH / 1992 / Marginal leakage of cast gold crowns luted with an adhesive resin cement / J Prosthet Dent 67:11~15
Ucar Y / 2009 / Internal fit evaluation of crowns prepared using a new dental crown fabrication technique: laser-sintered Co-Cr crowns / J Prosthet Dent 102:253~259
Hamza TA / 2017 / In vitro evaluation of marginal discrepancy of monolithic zirconia restorations fabricated with different CAD-CAM systems / J Prosthet Dent 117:762~766
Liebermann A / 2016 / Physicomechanical characterization of polyetheretherketone and current esthetic dental CAD/ CAM polymers after aging in different storage media / J Prosthet Dent 115:321~328
Tjan AH / 1992 / Marginal leakage of cast gold crowns luted with an adhesive resin cement / J Prosthet Dent 67:11~15
Ucar Y / 2009 / Internal fit evaluation of crowns prepared using a new dental crown fabrication technique: laser-sintered Co-Cr crowns / J Prosthet Dent 102:253~259
Hamza TA / 2017 / In vitro evaluation of marginal discrepancy of monolithic zirconia restorations fabricated with different CAD-CAM systems / J Prosthet Dent 117:762~766
Liebermann A / 2016 / Physicomechanical characterization of polyetheretherketone and current esthetic dental CAD/ CAM polymers after aging in different storage media / J Prosthet Dent 115:321~328
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