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Property variations in the prism and the organic sheath within enamel by nanoindentation

Paper ID Volume ID Publish Year Pages File Format Full-Text
12283 786 2005 7 PDF Available
Title
Property variations in the prism and the organic sheath within enamel by nanoindentation
Abstract

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.

Keywords
Nanohardness; Elastic modulus; Nanoindentation; Enamel prisms
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Property variations in the prism and the organic sheath within enamel by nanoindentation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 26, Issue 16, June 2005, Pages 3333–3339
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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