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Cytotoxicity, Colour Stability and Dimensional Accuracy of 3D Printing Resin with Three Different Photoinitiators

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dc.contributor.author권재성-
dc.contributor.author김광만-
dc.contributor.author최성환-
dc.contributor.author양송이-
dc.date.accessioned2022-05-09T17:02:47Z-
dc.date.available2022-05-09T17:02:47Z-
dc.date.issued2022-02-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/188351-
dc.description.abstractBiocompatibility is important for the 3D printing of resins used in medical devices and can be affected by photoinitiators, one of the key additives used in the 3D printing process. The choice of ingredients must be considered, as the toxicity varies depending on the photoinitiator, and unreacted photoinitiator may leach out of the polymerized resin. In this study, the use of ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate (TPO-L) as a photoinitiator for the 3D printing of resin was considered for application in medical device production, where the cytotoxicity, colour stability, dimensional accuracy, degree of conversion, and mechanical/physical properties were evaluated. Along with TPO-L, two conventional photoinitiators, phenylbis (2,4,6-trimethylbenzoyl) phosphine oxide (BAPO) and diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), were considered. A total of 0.1 mol% of each photoinitiator was mixed with the resin matrix to prepare a resin mixture for 3D printing. The specimens were printed using a direct light processing (DLP) type 3D printer. The 3D-printed specimens were postprocessed and evaluated for cytotoxicity, colour stability, dimensional accuracy, degree of conversion, and mechanical properties in accordance with international standards and the methods described in previous studies. The TPO-L photoinitiator showed excellent biocompatibility and colour stability and possessed with an acceptable dimensional accuracy for use in the 3D printing of resins. Therefore, the TPO-L photoinitiator can be sufficiently used as a photoinitiator for dental 3D-printed resin.-
dc.description.statementOfResponsibilityopen-
dc.formatapplication/pdf-
dc.languageEnglish-
dc.publisherMDPI-
dc.relation.isPartOfPOLYMERS-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.titleCytotoxicity, Colour Stability and Dimensional Accuracy of 3D Printing Resin with Three Different Photoinitiators-
dc.typeArticle-
dc.contributor.collegeCollege of Dentistry (치과대학)-
dc.contributor.departmentDept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실)-
dc.contributor.googleauthorGi-Tae Kim-
dc.contributor.googleauthorHye-Bin Go-
dc.contributor.googleauthorJae-Hun Yu-
dc.contributor.googleauthorSong-Yi Yang-
dc.contributor.googleauthorKwang-Mahn Kim-
dc.contributor.googleauthorSung-Hwan Choi-
dc.contributor.googleauthorJae-Sung Kwon-
dc.identifier.doi10.3390/polym14050979-
dc.contributor.localIdA00247-
dc.contributor.localIdA00312-
dc.contributor.localIdA04083-
dc.relation.journalcodeJ03041-
dc.identifier.eissn2073-4360-
dc.identifier.pmid35267799-
dc.subject.keyword3D printing accuracy-
dc.subject.keywordDLP 3D printer-
dc.subject.keywordTPO-L photoinitiator-
dc.subject.keywordadditive manufacturing-
dc.subject.keywordcolour stability-
dc.subject.keywordcytotoxicity-
dc.contributor.alternativeNameKwon, Jae-Sung-
dc.contributor.affiliatedAuthor권재성-
dc.contributor.affiliatedAuthor김광만-
dc.contributor.affiliatedAuthor최성환-
dc.citation.volume14-
dc.citation.number5-
dc.citation.startPage979-
dc.identifier.bibliographicCitationPOLYMERS, Vol.14(5) : 979, 2022-02-
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers

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