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学科主题: 口腔医学
题名:
Property variations in the prism and the organic sheath within enamel by nanoindentation
作者: Ge, J; Cui, FZ; Wang, XM; Feng, HL
关键词: nanohardness ; elastic modulus ; nanoindentation ; enamel prisms
刊名: BIOMATERIALS
发表日期: 2005-06-01
DOI: 10.1016/j.biomaterials.2004.07.059
卷: 26, 期:16, 页:3333-3339
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Engineering, Biomedical ; Materials Science, Biomaterials
研究领域[WOS]: Engineering ; Materials Science
关键词[WOS]: DEVELOPING DENTAL ENAMEL ; MECHANICAL-PROPERTIES ; MODULUS ; BONE
英文摘要:

Atomic force microscopy (AFM) combined with nanoindentation technique was used to definitely, site-specifically, test the nanomechanical properties, including nanohardness and elastic modulus, of the isolated domains within single enamel, the prisms and the surrounding sheaths, of mature human maxillary third molars. In this way, it is for the first time that evident differences of nanomechanical properties were revealed between these domains. The nanohardness and elastic modulus of the sheaths were about 73.6% and 52.7% lower than those of the prisms, respectively. Measuring the residual impressions with AFM supported the similar conclusion. The variations of mechanical properties in these domains are considered to be mainly relative to their different component and fibrils arrangement. (C) 2004 Elsevier Ltd. All rights reserved.

语种: 英语
WOS记录号: WOS:000226675500056
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/59673
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Peking Univ, Sch Stomatol, Beijing 100081, Peoples R China
2.Tsing Hua Univ, Dept Mat Sci & Engn, Biomat Lab, Beijing 100084, Peoples R China

Recommended Citation:
Ge, J,Cui, FZ,Wang, XM,et al. Property variations in the prism and the organic sheath within enamel by nanoindentation[J]. BIOMATERIALS,2005,26(16):3333-3339.
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