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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제9권 제4호
- 발행연도
- 2017.8
- 수록면
- 239 - 243 (5page)
- DOI
- https://doi.org/10.4047/jap.2017.9.4.239
이용수
이 논문의 연구 히스토리 (2)
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초록· 키워드
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PURPOSE. The purpose of this study is to compare single and three-unit metal frameworks that are produced by micro-stereolithography.
MATERIALS AND METHODS. Silicone impressions of a selected molar and a premolar were used to make master abutments that were scanned into a stereolithography file. The file was processed with computer aided design software to create single and three-unit designs from which resin frameworks were created using micro-stereolithography. These resin frameworks were subjected to investment, burnout, and casting to fabricate single and three-unit metal ones that were measured under a digital microscope by using the silicone replica technique. The measurements were verified by means of the Mann?Whitney U test (α=.05).
RESULTS. The marginal gap was 101.9 ± 53.4 μm for SM group and 104.3 ± 62.9 μm for TUM group. The measurement of non-pontics in a single metal framework was 93.6 ± 43.9 μm, and that of non-pontics in a three-unit metal framework was 64.9 ± 46.5 μm. The dimension of pontics in a single metal framework was 110.2 ± 61.4 μm, and that of pontics in a three-unit metal framework was 143.7 ± 51.8 μm.
CONCLUSION. The marginal gap was smaller for the single metal framework than for the three-unit one, which requires furtherimprovement before it can be used for clinical purposes.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Al Jabbari YS / 2014 / Metallurgical and interfacial characterization of PFM Co-Cr dental alloys fabricated via casting, milling or selective laser melting / Dent Mater 30:e79~e88
Kim KB / 2013 / An evaluation of marginal fit of three-unit fixed dental prostheses fabricated by direct metal laser sintering system / Dent Mater 29:e91~e96
Quante K / 2008 / Marginal and internal fit of metal-ceramic crowns fabricated with a new laser melting technology / Dent Mater 24:1311~1315
Galindo DF / 2001 / Effect of soldering on metal-porcelain bond strength in repaired porcelain-fused-to-metal castings / J Prosthet Dent 85:88~94
Zhao H / 2001 / Cracking of porcelain coatings bonded to metal substrates of different modulus and hardness / J Mater Res 16:1471~1478
Kim KB / 2013 / An evaluation of marginal fit of three-unit fixed dental prostheses fabricated by direct metal laser sintering system / Dent Mater 29:e91~e96
Quante K / 2008 / Marginal and internal fit of metal-ceramic crowns fabricated with a new laser melting technology / Dent Mater 24:1311~1315
Galindo DF / 2001 / Effect of soldering on metal-porcelain bond strength in repaired porcelain-fused-to-metal castings / J Prosthet Dent 85:88~94
Zhao H / 2001 / Cracking of porcelain coatings bonded to metal substrates of different modulus and hardness / J Mater Res 16:1471~1478
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