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Development of silicon nitride ceramic for CAD/CAM restoration

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dc.contributor.authorKrajangta N.
dc.contributor.authorSarinnaphakorn L.
dc.contributor.authorDidron P.P.
dc.contributor.authorWasanapiarnpong T.
dc.date.accessioned2021-04-05T03:01:59Z
dc.date.available2021-04-05T03:01:59Z
dc.date.issued2020
dc.date.issuedBE2563
dc.description.abstractWhite Silicon nitride (Si3N4) ceramic has unique characteristics. Because of its high fracture toughness, strength, and biocompatibility, it can therefore be used to fabricate dental restorations. The purpose of this study was to produce partially-sintered block of Si3N4 for fabrication of CAD/CAM dental restorations. The related properties of this novel Si3N4 were evaluated including sintered shrinkage, flexural strength and fracture toughness. Partially sintered Si3N4 ceramic blocks were prepared by heating at 1,400°C for 2 h under N2 gas. After full sintering at 1,650oC for 2 h, the linear shrinkage value was recorded at 19.88±0.56%. The flexural strength and fracture toughness were measured, the results were 891.21±37.25 MPa and 6.33±0.30 MPa•m1/2, respectively. These results showed that flexural strength and fracture toughness of Si3N4 were more than 800 MPa and 5 MPa•m1/2, the white Si3N4 developed in this study can be used to fabricate multi-unit dental restorations According to ISO 6872. © 2020, Japanese Society for Dental Materials and Devices. All rights reserved.
dc.format.mimetypeapplication/pdf
dc.identifier.citationDental Materials Journal. Vol 39, No.4 (2020), p.633-638
dc.identifier.doi10.4012/dmj.2019-119
dc.identifier.issn2874547
dc.identifier.other2-s2.0-85089123434
dc.identifier.urihttps://hdl.handle.net/20.500.14740/4863
dc.rights.holderมหาวิทยาลัยศรีนครินทรวิโรฒ
dc.subject.otherBending strength
dc.subject.otherBiocompatibility
dc.subject.otherCeramic materials
dc.subject.otherComputer aided design
dc.subject.otherFilling
dc.subject.otherNitrides
dc.subject.otherRestoration
dc.subject.otherShrinkage
dc.subject.otherSilicon nitride
dc.subject.otherSintering
dc.subject.otherCad/cams
dc.subject.otherCeramic blocks
dc.subject.otherDental restorations
dc.subject.otherLinear shrinkage
dc.subject.otherMulti-unit
dc.subject.otherSilicon nitride ceramics
dc.subject.otherFracture toughness
dc.subject.otherDental porcelain
dc.subject.otherSilicon derivative
dc.subject.otherSilicon nitride
dc.subject.otherCeramics
dc.subject.otherComputer aided design
dc.subject.otherMaterials testing
dc.subject.otherSurface property
dc.subject.otherCeramics
dc.subject.otherComputer-Aided Design
dc.subject.otherDental Porcelain
dc.subject.otherFlexural Strength
dc.subject.otherMaterials Testing
dc.subject.otherSilicon Compounds
dc.subject.otherSurface Properties
dc.titleDevelopment of silicon nitride ceramic for CAD/CAM restoration
dc.typeArticle
dspace.entity.typePublication
swu.datasource.scopushttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85089123434&doi=10.4012%2fdmj.2019-119&partnerID=40&md5=cd92e31ff108fc8ce38656260e819ace

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