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Marginal Accuracy and Internal Fit of 3-D Printing Laser-Sintered Co-Cr Alloy Copings
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Myung-Joo | - |
dc.contributor.author | Choi, Yun-Jung | - |
dc.contributor.author | Kim, Seong-Kyun | - |
dc.contributor.author | Heo, Seong-Joo | - |
dc.contributor.author | Koak, Jai-Young | - |
dc.creator | 김명주 | - |
dc.date.accessioned | 2019-04-24T08:30:47Z | - |
dc.date.available | 2020-04-05T08:30:47Z | - |
dc.date.created | 2018-06-01 | - |
dc.date.created | 2018-06-01 | - |
dc.date.created | 2018-06-01 | - |
dc.date.created | 2018-06-01 | - |
dc.date.issued | 2017-01 | - |
dc.identifier.citation | Materials, Vol.10 No.1, p. 93 | - |
dc.identifier.issn | 1996-1944 | - |
dc.identifier.uri | https://hdl.handle.net/10371/147944 | - |
dc.description.abstract | Laser sintered technology has been introduced for clinical use and can be utilized more widely, accompanied by the digitalization of dentistry and the development of direct oral scanning devices. This study was performed with the aim of comparing the marginal accuracy and internal fit of Co-Cr alloy copings fabricated by casting, CAD/CAM (Computer-aided design/Computer-assisted manufacture) milled, and 3-D laser sintered techniques. A total of 36 Co-Cr alloy crown-copings were fabricated from an implant abutment. The marginal and internal fit were evaluated by measuring the weight of the silicone material, the vertical marginal discrepancy using a microscope, and the internal gap in the sectioned specimens. The data were statistically analyzed by One-way ANOVA (analysis of variance), a Scheffe's test, and Pearson's correlation at the significance level of p = 0.05, using statistics software. The silicone weight was significantly low in the casting group. The 3-D laser sintered group showed the highest vertical discrepancy, and marginal-, occlusal-, and average-internal gaps (p < 0.05). The CAD/CAM milled group revealed a significantly high axial internal gap. There are moderate correlations between the vertical marginal discrepancy and the internal gap variables (r = 0.654), except for the silicone weight. In this study, the 3-D laser sintered group achieved clinically acceptable marginal accuracy and internal fit. | - |
dc.language | 영어 | - |
dc.language.iso | en | en |
dc.publisher | MDPI Open Access Publishing | - |
dc.title | Marginal Accuracy and Internal Fit of 3-D Printing Laser-Sintered Co-Cr Alloy Copings | - |
dc.type | Article | - |
dc.identifier.doi | 10.3390/ma10010093 | - |
dc.citation.journaltitle | Materials | - |
dc.identifier.wosid | 000394838800092 | - |
dc.identifier.scopusid | 2-s2.0-85011672745 | - |
dc.description.srnd | OAIID:RECH_ACHV_DSTSH_NO:T201719055 | - |
dc.description.srnd | RECH_ACHV_FG:RR00200001 | - |
dc.description.srnd | ADJUST_YN: | - |
dc.description.srnd | EMP_ID:A077281 | - |
dc.description.srnd | CITE_RATE:2.467 | - |
dc.description.srnd | DEPT_NM:치의학과 | - |
dc.description.srnd | EMAIL:silk1@snu.ac.kr | - |
dc.description.srnd | SCOPUS_YN:Y | - |
dc.citation.number | 1 | - |
dc.citation.startpage | 93 | - |
dc.citation.volume | 10 | - |
dc.description.isOpenAccess | Y | - |
dc.contributor.affiliatedAuthor | Kim, Myung-Joo | - |
dc.contributor.affiliatedAuthor | Kim, Seong-Kyun | - |
dc.contributor.affiliatedAuthor | Heo, Seong-Joo | - |
dc.contributor.affiliatedAuthor | Koak, Jai-Young | - |
dc.identifier.srnd | T201719055 | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | FIXED DENTAL PROSTHESES | - |
dc.subject.keywordPlus | COBALT-CHROMIUM | - |
dc.subject.keywordPlus | MECHANICAL-PROPERTIES | - |
dc.subject.keywordPlus | CERAMIC CROWNS | - |
dc.subject.keywordPlus | BOND STRENGTH | - |
dc.subject.keywordPlus | IN-CERAM | - |
dc.subject.keywordPlus | CAST | - |
dc.subject.keywordPlus | CEMENT | - |
dc.subject.keywordPlus | FABRICATION | - |
dc.subject.keywordPlus | IMPLANT | - |
dc.subject.keywordAuthor | Co-Cr alloy | - |
dc.subject.keywordAuthor | CAD/CAM milled | - |
dc.subject.keywordAuthor | laser sintering | - |
dc.subject.keywordAuthor | marginal accuracy | - |
dc.subject.keywordAuthor | internal fit | - |
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