Full metadata record
DC Field | Value | Language |
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dc.contributor.author | 김성훈 | - |
dc.date.accessioned | 2016-08-27T02:08:10Z | - |
dc.date.available | 2016-08-27T02:08:10Z | - |
dc.date.issued | 2004 | - |
dc.identifier.issn | 0893-2174 | - |
dc.identifier.other | OAK-2180 | - |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/215815 | - |
dc.description.abstract | Purpose: The effect of glass-fiber reinforcement and water storage on the fracture toughness (K-IC) of polymer-based provisional crown and fixed partial denture (FPD) materials was investigated. Materials and Methods: Five unreinforced single-edged, notched control specimens and five test specimens reinforced with unidirectional E-glass fibers (Stick) were fabricated from three dimethacrylate-based provisional materials and one monomethacrylate-based provisional material. The specimens were stored in water at 37degreesC for 1, 7, 30, or 60 days. Specimens were loaded in three-point bending at a cross-head speed of 0.1 mm/s. Mode I plane-strain K,, was calculated using the maximum load, and results of the two groups were compared. The water storage effect on K-IC with time was also evaluated. Results: The K-IC of provisional materials reinforced with glass fibers (range 7.5 to 13.8 MNm(-1.5)) was significantly higher than that of unreinforced materials (range 1.3 to 3.1 MNm(-1.5)), by a factor of 4.4 to 5.5. A small, gradual decrease of K-IC in reinforced specimens occurred with aqueous storage, but it was not statistically significant. Conclusion: The K-IC of polymer-based provisional crown and FPD materials was significantly increased when they were reinforced with unidirectional E-glass fibers. Water storage for up to 2 months still left the reinforced materials with K-IC values in excess of 7 MNm-1.5. Hence, their performance was satisfactory. | - |
dc.language | English | - |
dc.publisher | QUINTESSENCE PUBL CO INC | - |
dc.title | Effect of glass-fiber reinforcement and water storage on fracture toughness (K-JC) of polymer-based provisional crown and FPD materials | - |
dc.type | Article | - |
dc.relation.issue | 3 | - |
dc.relation.volume | 17 | - |
dc.relation.index | SCIE | - |
dc.relation.index | SCOPUS | - |
dc.relation.startpage | 318 | - |
dc.relation.lastpage | 322 | - |
dc.relation.journaltitle | INTERNATIONAL JOURNAL OF PROSTHODONTICS | - |
dc.identifier.wosid | WOS:000221576700011 | - |
dc.identifier.scopusid | 2-s2.0-2542606201 | - |
dc.author.google | Kim, SH | - |
dc.author.google | Watts, DC | - |
dc.contributor.scopusid | 김성훈(55718694000) | - |
dc.date.modifydate | 20211210152341 | - |