지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.9
- 수록면
- 246 - 253 (8page)
이용수
초록· 키워드
오류제보하기
Objective: To evaluate the bioactivity, and the biomechanical and bone-regenerative properties of Ti6Al4V miniscrews subjected to anodization, cyclic precalcification, and heat treatment (APH treatment) and their potential clinical use. Methods: The surfaces of Ti6Al4V alloys were modified by APH treatment. Bioactivity was assessed after immersion in simulated body fluid for 3 days. The hydrophilicity and the roughness of APH-treated surfaces were compared with those of untreated (UT) and anodized and heat-treated (AH) samples. For in vivo tests, 32 miniscrews (16 UT and 16 APH) were inserted into 16 Wistar rats, one UT and one APH-treated miniscrew in either tibia. The miniscrews were extracted after 3 and 6 weeks and their osseointegration (n = 8 for each time point and group) was investigated by surface and histological analyses and removal torque measurements. Results: APH treatment formed a dense surface array of nanotubular TiO2 layer covered with a compact apatite-like film. APH-treated samples showed better bioactivity and biocompatibility compared with UT and AH samples. In vivo, APH-treated miniscrews showed higher removal torque and bone-to-implant contact than did UT miniscrews, after both 3 and 6 weeks (p < 0.05). Also, early deposition of densely mineralized bone around APH-treated miniscrews was observed, implying good bonding to the treated surface. Conclusions: APH treatment enhanced the bioactivity, and the biomechanical and bone regenerative properties of the Ti6Al4V alloy miniscrews. The enhanced initial stability afforded should be valuable in orthodontic applications.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Ikeda H / 2011 / Three-dimensional analysis of peribone-implant contact of rough-surface miniscrew implants / Am J Orthod Dentofacial Orthop 139 : e153 ~ e163
2. [학술지(정기간행물)] - Kim SH / 2009 / Rotational Resistance of Surface-Treated Mini-implants / ANGLE ORTHODONTIST 79 : 899 ~ 907
3. [학술지(정기간행물)] - Chang CS / 2009 / The effect of microrough surface treatment on miniscrews used as orthodontic anchors / Clin Oral Implants Res 20 : 1178 ~ 1184
4. [학술지(정기간행물)] - Chaddad K / 2008 / Influence of surface characteristics on survival rates of mini-implants / Angle Orthod 78 : 107 ~ 113
5. [학술지(정기간행물)] - Wu X / 2008 / Biomechanical and histomorphometric analyses of the osseointegration of microscrews with different surgical techniques in beagle dogs / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 106 : 644 ~ 650
2. [학술지(정기간행물)] - Kim SH / 2009 / Rotational Resistance of Surface-Treated Mini-implants / ANGLE ORTHODONTIST 79 : 899 ~ 907
3. [학술지(정기간행물)] - Chang CS / 2009 / The effect of microrough surface treatment on miniscrews used as orthodontic anchors / Clin Oral Implants Res 20 : 1178 ~ 1184
4. [학술지(정기간행물)] - Chaddad K / 2008 / Influence of surface characteristics on survival rates of mini-implants / Angle Orthod 78 : 107 ~ 113
5. [학술지(정기간행물)] - Wu X / 2008 / Biomechanical and histomorphometric analyses of the osseointegration of microscrews with different surgical techniques in beagle dogs / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 106 : 644 ~ 650
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UCI(KEPA) : I410-ECN-0101-2015-510-002712254