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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.9
- 수록면
- 179 - 184 (6page)
- DOI
- 10.14815/kjdm.2014.41.3.179
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이 논문의 연구 히스토리 (2)
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This study was performed to evaluate the bioactivity of titanium implant modified by anodic oxidation and cyclic precalcification treatments. Twelve SLA-treated titanium implants with dimensions of 4.0 ㎜ in diameter and 11.5 ㎜ in length were used. In order to increase surface area, nanotubular TiO₂ layer were formed via anodic oxidation treatment. After that, the precalcification treatment which was carried out by alternative immersion in solution and Ca(OH)₂ saturated solution for 30 cycles was conducted to induce the precipitation of HAp crystals on the surface. Finally, the specimens were heat-treated for structural stability and elimination of remaining impurities. To investigate the bioactivity of these surface, the specimens were immersed in SBF solution and microstructural change of the surfaces was observed by FE-SEM. In addition, the concentration and the crystal structure of elements present on the surface were analyzed using an energy dispersive X-ray spectroscopy and X-ray diffraction, respectively. Nanotubes formed by anodizing treatment were completely self-arranged with dense structures in which the tubes with a small diameter were formed between the tubes with a relatively large diameter. Calcium phosphate precipitates were interlocked with the porous nanotubular surfaces and partially penetrated into the nanotubes after the cyclic precalcification treatments. Additionally, there was more precipitation of HAp as the result of immersion in the SBF for 5 days. The formation of nanotubular TiO₂ layers on titanium surface followed by HAp precipitation via cyclic precalcification treatments greatly improved bioactivity.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 연구재료 및 방법
Ⅲ. 결과
Ⅳ. 고찰
Ⅴ. 결론
참고문헌
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - Albrektsson T / 1981 / Osseointegrated titanium implants. Requirements for ensuring a long lasting, direct bone-toimplant anchorage in man / Acta Orthop Scand 52 : 155 ~ 170
2. [학술지(정기간행물)] - Albrektsson T / 2004 / Oral implant surfaces: Part 1 - review focusing on topographic and chemical properties of different surfaces and in vivo responses to them / Int J Prosthodont 17 : 536 ~ 543
3. [학술지(정기간행물)] - Bae IH / 2010 / Anodic Oxidized Nanotubular Titanium Implants Enhance Bone Morphogenetic Protein-2 Delivery / JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS 93B : 484 ~ 491
4. [학술지(정기간행물)] - Ellingsen JE / 2004 / Improved retention and bone implant contact with fluoride modified titanium implant / J Oral Maxillofac Implants 19 : 659 ~ 666
5. [학술지(정기간행물)] - Feng B / 2002 / Carbonate apatite coating on titanium induced rapidly by precalcification / Biomaterials 23 : 173 ~ 179
2. [학술지(정기간행물)] - Albrektsson T / 2004 / Oral implant surfaces: Part 1 - review focusing on topographic and chemical properties of different surfaces and in vivo responses to them / Int J Prosthodont 17 : 536 ~ 543
3. [학술지(정기간행물)] - Bae IH / 2010 / Anodic Oxidized Nanotubular Titanium Implants Enhance Bone Morphogenetic Protein-2 Delivery / JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS 93B : 484 ~ 491
4. [학술지(정기간행물)] - Ellingsen JE / 2004 / Improved retention and bone implant contact with fluoride modified titanium implant / J Oral Maxillofac Implants 19 : 659 ~ 666
5. [학술지(정기간행물)] - Feng B / 2002 / Carbonate apatite coating on titanium induced rapidly by precalcification / Biomaterials 23 : 173 ~ 179
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