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NTIS 바로가기대한치과보철학회지 = The journal of Korean academy of prosthodontics, v.52 no.3, 2014년, pp.211 - 221
박진철 (고려대학교 임상치의학대학원 심미보철과) , 김주현 (부산대학교 치의학전문대학원 치과보철학교실) , 강은숙 (인제대학교 해운대백병원 보철과) , 류재준 (고려대학교 안암병원 치과보철과) , 허중보 (부산대학교 치의학전문대학원 치과보철학교실)
Purpose: The purpose of this study was to evaluate the surface characteristics and response of osteoblast-like cell at SLA surface treated with NaOH. Materials and methods: Three kinds of specimens were fabricated for the experiment groups. Control group was a machined surface, SLA group was a conve...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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Albrektsson 등의 연구에서 정의한 골유착은 무엇인가? | Albrektsson 등7은 골유착이란 광학 현미경하에서 임플란트가 섬유성 결합조직의 개재 없이 골조직과 직접 접촉하여 임상적으로 움직임이 없는 상태라고 정의하였으며, 골유착을 얻기 위해서는 임플란트의 재질, 디자인, 표면처리방법, 골의 상태, 수술기법, 그리고 임플란트의 부하조건 등이 중요하다고 하였다. | |
임플란트의 표면처리 방법에는 어떤 것들이 있는가? | 표면처리 방법으로 티타늄 플라즈마 분사(Titanium plasma spraying surface), 수산화인회석플라즈마분사(HA plasma sprayed surface), 분사처리(Blasted surface), 산부식(Acid etched surface), 분사처리와 산부식의 병용(Sandblasted, Large-grit, Acid etched surface), 다공성 소결처리(Porous sintered surface), 양극 산화법(Anodic Oxidation)등이 개발되어 사용되고 있다.12 | |
RBM(resorbable blasting media) 표면처리법은 기존 방법의 어떤 문제를 해결하기 위해 개발되었는가? | 티타늄 임플란트의 표면에 수산화인회석 분말을 플라즈마 분사하여 코팅하거나, 고온 용융된 티타늄 입자를 빠른 속도로 분사하는 방식의 표면처리법은 수산화인회석 계면의 문제나 티타늄 입자들의 조직내 유리의 문제점이 보고되었다. 11,13알루미나 입자를 이용한 분사처리법은 입자들이 임플란트 표면에 자주 박히기 때문에 이를 제거하기 위하여 초음파 세척과 산부식 같은 세척과정을 거쳐야 한다. 그러나 세척 후에도 일부 입자가 임플란트 표면에 잔존하며, 식립 후 조직내로 유리되어 골융합을 방해하는 단점이 있다. 11,14 이런 문제를 해결하기 위해 체내에서 흡수될 수 있는 수산화인회석 입자나 인산칼슘을 임플란트 표면에 분사하는 RBM(resorbable blasting media) 표면처리법이 소개되었다. |
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