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学科主题: 口腔医学
题名:
Histological and histomorphometrical study of connective tissue around calcium phosphate coated titanium dental implants in a canine model
作者: Zhao, Bao Hong; Han, Inho; Feng, Hai Lan; Bai, Wei; Cui, Fu-Zhai; Lee, In-Seop
关键词: calcium phosphate ; connective tissue ; dental implant ; collagen fiber ; ion beam assisted deposition (IBAD)
刊名: SURFACE & COATINGS TECHNOLOGY
发表日期: 2007-02-26
DOI: 10.1016/j.surfcoat.2006.07.059
卷: 201, 期:9-11, 页:5696-5700
收录类别: ISTP ; SCI
文章类型: Proceedings Paper
WOS标题词: Science & Technology
类目[WOS]: Materials Science, Coatings & Films ; Physics, Applied
研究领域[WOS]: Materials Science ; Physics
关键词[WOS]: SOFT-TISSUES ; HYDROXYAPATITE ; FIBROBLASTS ; ORIENTATION ; ATTACHMENT ; ALLOY ; BONE ; DOGS
英文摘要:

Connective tissue reaction and collagen fiber orientation were evaluated on the calcium phosphate coated implants made by ion beam assisted deposition, and compared with the uncoated titanium implants. Twelve implants of each group were randomly placed in mandibles after 3 months of premolars extraction in beagle dogs. All the implants were firmly anchored in the bone and had no clinical signs of peri-implant inflammation after 3-month insertion. Histological sections showed that the gingival tissue was attached tightly to the implant surface and there was no significant difference in inflammatory cell invasion between the control and experiment groups. The probing depth in the calcium phosphate coated group was 1.9 +/- 0.2 mm, less than in the control group (2.1 +/- 0.2 mm) (p < 0.05). Newly regenerated vascular tissues were observed more around calcium phosphate coated implants than uncoated titanium implants. The gingival recession in the experiment group was less than in the control group, but there was no significant difference in tissue length between the two groups (p > 0.05). Collagen fibers at the inner zone of the connective tissue around calcium phosphate coated implant aligned mostly in oblique direction, while paralleled in uncoated titanium implant. Calcium phosphate coating was found to promote soft tissue regeneration and preventing gingival recession.(c) 2006 Elsevier B.V. All rights reserved.

语种: 英语
WOS记录号: WOS:000246509400204
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/57704
Appears in Collections:北京大学口腔医学院_口腔修复科_期刊论文

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作者单位: 1.Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea
2.Yonsei Univ, Atom Scale Surface Sci Res Ctr, Seoul 120749, South Korea
3.Peking Univ, Dept Prosthodont, Sch Stomatol, Beijing 100081, Peoples R China
4.Tsing Hua Univ, Biomat Lab, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

Recommended Citation:
Zhao, Bao Hong,Han, Inho,Feng, Hai Lan,et al. Histological and histomorphometrical study of connective tissue around calcium phosphate coated titanium dental implants in a canine model[J]. SURFACE &amp; COATINGS TECHNOLOGY,2007,201(9-11):5696-5700.
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