Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel

The structure-property relationship and dental erosion in human dental enamel composites is reviewed. The phase composition, microstructure and mechanical properties as characterized by grazing-incidence synchrotron radiation diffraction, atomic-force microscopy, scanning electron microscopy and Vic...

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Main Authors: Low, It-Meng, Alhuthali, Abdullah, Duraman, Nora
Other Authors: Frederick C Calhoun
Format: Book Chapter
Published: Nova Science Publishers Inc. 2010
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/33084
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author Low, It-Meng
Alhuthali, Abdullah
Duraman, Nora
author2 Frederick C Calhoun
author_facet Frederick C Calhoun
Low, It-Meng
Alhuthali, Abdullah
Duraman, Nora
author_sort Low, It-Meng
building Curtin Institutional Repository
collection Online Access
description The structure-property relationship and dental erosion in human dental enamel composites is reviewed. The phase composition, microstructure and mechanical properties as characterized by grazing-incidence synchrotron radiation diffraction, atomic-force microscopy, scanning electron microscopy and Vickers indentation are described and discussed. The existence of distinct graded changes in crystal disorder, phase abundance, crystallite size and hardness within these enamel ceramics is highlighted. The phenomenon of load-dependent hardness in enamel but load-independent hardness in the dentine is highlighted and discussed. An in-situ monitoring technique of dental erosion in tooth enamel ceramics when immersed in soft-drinks is described. Atomic absorption results suggest that the increasing weight loss in tooth enamel during dental erosion in soft drinks can be attributed to the continuous leaching of Ca2+ ions, in addition to phosphorus, oxygen, and hydrogen. The effect of dental erosion on the hardness of enamel is also discussed.
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spelling curtin-20.500.11937-330842017-01-30T13:34:57Z Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel Low, It-Meng Alhuthali, Abdullah Duraman, Nora Frederick C Calhoun hydroxyapatite dental erosion graded composition synchrotron radiation diffraction Dental enamel Vickers indentation The structure-property relationship and dental erosion in human dental enamel composites is reviewed. The phase composition, microstructure and mechanical properties as characterized by grazing-incidence synchrotron radiation diffraction, atomic-force microscopy, scanning electron microscopy and Vickers indentation are described and discussed. The existence of distinct graded changes in crystal disorder, phase abundance, crystallite size and hardness within these enamel ceramics is highlighted. The phenomenon of load-dependent hardness in enamel but load-independent hardness in the dentine is highlighted and discussed. An in-situ monitoring technique of dental erosion in tooth enamel ceramics when immersed in soft-drinks is described. Atomic absorption results suggest that the increasing weight loss in tooth enamel during dental erosion in soft drinks can be attributed to the continuous leaching of Ca2+ ions, in addition to phosphorus, oxygen, and hydrogen. The effect of dental erosion on the hardness of enamel is also discussed. 2010 Book Chapter http://hdl.handle.net/20.500.11937/33084 Nova Science Publishers Inc. restricted
spellingShingle hydroxyapatite
dental erosion
graded composition
synchrotron radiation diffraction
Dental enamel
Vickers indentation
Low, It-Meng
Alhuthali, Abdullah
Duraman, Nora
Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title_full Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title_fullStr Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title_full_unstemmed Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title_short Mapping the Structure, Composition, Properties and Dental Erosion in Human Enamel
title_sort mapping the structure, composition, properties and dental erosion in human enamel
topic hydroxyapatite
dental erosion
graded composition
synchrotron radiation diffraction
Dental enamel
Vickers indentation
url http://hdl.handle.net/20.500.11937/33084