Paper Title:
Effect of Apatite Nanoparticles on Remineralization of the Demineralized Human Dentin
  Abstract

The aim of this study was to evaluate the remineralizing potential of demineralized human dentin treated with Y/HA nanoparticles (doping Y with 5mol %) and HA nanoparticles suspension and whether dentin could be remineralized by HA. Human crown dentin was demineralized with EDTA for 4 hours, and then subjected to remineralization condition. The ability of these matrices to remineralize was determined by SEM, AFM and calcium levels in the remineralized tissue were measured by atomic energy spectrum analysis. The results showed that Y/HA and HA nanoparticles remineralized the demineralized dentin surface; these demineralized matrices treated with Y/HA nanoparticles remineralized to a greater extent than those treated HA nanoparticles. The differences in both the quality and quantity, as defined by Yttrium iones leading to changes in characterization of the apatite crystals might be important in effecting the ability of this tissue to remineralize. This work suggested that apatite nanoparticles caused remineralization of dentin and the yttrium ions substituted in the apatite structure might enhance their remineralization potential.

  Info
Periodical
Key Engineering Materials (Volumes 330-332)
Main Theme
Edited by
Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu
Pages
1381-1384
DOI
10.4028/www.scientific.net/KEM.330-332.1381
Citation
Z. Tan, H. K. Wu, A. C. Mo, Z. Q. Chen, Y. B. Li, "Effect of Apatite Nanoparticles on Remineralization of the Demineralized Human Dentin", Key Engineering Materials, Vols. 330-332, pp. 1381-1384, 2007
Online since
February 2007
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$32.00
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