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대구치 직립 스프링 적용시 반작용에 관한 삼차원 유한요소법적 연구
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 최유경 | - |
dc.contributor.author | 김태우 | - |
dc.contributor.author | 서정훈 | - |
dc.date.accessioned | 2010-02-01T06:12:31Z | - |
dc.date.available | 2010-02-01T06:12:31Z | - |
dc.date.issued | 1998 | - |
dc.identifier.citation | 대한치과교정학회지 1998 : 28 : 61-74. | en |
dc.identifier.issn | 1225-5610 | - |
dc.identifier.uri | https://hdl.handle.net/10371/47445 | - |
dc.description.abstract | The Purpose of this study was to investigate the stress distribution and tooth displacement at the initial phase produced by 5 types of molar uprighting springs using finite element method. The three dimensional finite element model of lower dentition, bone and springs was composed of 5083 elements and 2071 nodes. The results were as follows: 1. In case of helical spring and root spring, intrusion of lower canine and first premolar were observed md distal tipping, translation and extrusion of lower second molar were observed. 2. In case of T-loop, modified T-loop and box loop, intrusion and distal translation of lower second premolar were observed, and the largest crown distal tipping and translation of lower second molar were observed in T-loop and the smallest were observed in box loop. 3. In case of T-loop with cinch-bact crown distal tipping and translation of lower second molar were decreased, but extrusion was also decreased. 4. With increase of activation in T-loop, mesial translation and won distal tipping of lower second molar were increased and edentulous space was closing, but distal translation of second premolar was also increased. 5. With increase of tip-back bend in T--loop, distal tipping and translation of lower second molar were increased, but extrusion was also increased more largely. | en |
dc.language.iso | ko | en |
dc.publisher | 대한치과교정학회 | en |
dc.subject | uprighting spring | en |
dc.subject | finite element method | en |
dc.subject | activation force | en |
dc.subject | tip-back bend | en |
dc.title | 대구치 직립 스프링 적용시 반작용에 관한 삼차원 유한요소법적 연구 | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | Choe, Yoo-Kyung | - |
dc.contributor.AlternativeAuthor | Kim, Tae-Woo | - |
dc.contributor.AlternativeAuthor | Suhr, Cheong | - |
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