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Updated: May 28, 2026

09:45
In vivo Imaging of Deep Cortical Layers using a Microprism
Published on: August 27, 2009
New insights in prism orientation within human enamel
L Raue1, N Gersdorff, M Rödiger
1GZG, Dept. Crystallography, Georg-August-University Goettingen, Germany. lraue@uni-goettingen.de
Archives of Oral Biology
|October 7, 2011
Summary
This study used X-ray diffraction to directly measure human dental enamel prism orientation. New detailed insights into prism structure and orientation were obtained, enhancing existing models.
Area of Science:
- Biomaterials Science
- Crystallography
- Paleodontology
Background:
- Current understanding of human dental enamel prism orientation relies on indirect morphological observations.
- Existing models are often schematic and lack detailed, direct orientation measurements.
Purpose of the Study:
- To perform locally resolved, direct measurements of crystallite orientation in human dental enamel.
- To obtain detailed information on prism orientation and intrinsic structure.
- To enhance existing models of enamel prism orientation.
Main Methods:
- Adaptation of X-ray diffraction (XRD) methods from materials science.
- Direct measurement of crystallite orientations at specific positions within dental enamel.
Main Results:
- Acquisition of new, detailed data on the orientation of enamel prisms.
- Gained insights into the intrinsic structural properties of prisms.
- Provided a basis for enhancing current prism orientation models.
Conclusions:
- The study provides direct, quantitative data on enamel prism orientation, surpassing previous morphological observations.
- Two potential models for the internal structure of prisms are proposed.
- Further X-ray diffraction measurements are planned to validate these structural models.

