X-Ray Diffraction Technique in the Analysis of Phases of Hydroxylapatite and Calcium Phosphate in a Human Jaw

Srđan D. Poštić, PhD*

Clinic of Dental Prosthetic,University School of Dental Medicine, University of Belgrade; Belgrade, Serbia.

*Corresponding author:  Srđan D. Poštić, PhD.  Clinic of Dental Prosthetic, School of Dental Medicine, University of Belgrade. E-mail: srdjan.postic@stomf.bg.ac.rs

Published: June 22, 2014.


Objective: Human jawbones consist mainly of hydroxylapatite. The aim of this study was to assess the structure of solid calcium phosphate compounds of the jawbone in cases of normal and osteoporotic JBs.

Design: The X-ray diffraction technique was used to analyze the structure of samples of cadavers’ jawbones. The experimental JB samples were taken from an osteoporotic and atrophic jawbone, and control samples were from normal and nonosteoporotic bone samples.

Results: Hydroxylapatite was the only phase in control bone samples. In experimental bone samples, the above-mentioned phase was registered, as well as monetite and brushite.

Conclusion: The obtained data indicated that the changes of crystalographic forms of calcium phosphate in the physiologic system were balanced according to the possibility of change in the inorganic chemical system.

X-ray diffraction; mineralized tissues; bone; jaw.

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