Magnification—a New Look at a Long-known Optical Property of Dentin

Magnification—a New Look at a Long-known Optical Property of Dentin

Light propagation in human dentin exhibits a strong directional dependence featuring the long-known optical magnification property. We hypothesized that this anisotropic effect is caused by multiple scattering at the dentin tubules, and not by fiberoptic effects, as had been previously assumed. We p...

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Bibliographic Details
Published in:Journal of dental research Vol. 85; no. 10; pp. 955 - 959
Main Authors: Kienle, A., Michels, R., Hibst, R.
Format: Journal Article
Language:English
Published: United States SAGE Publications 01-10-2006
SAGE PUBLICATIONS, INC
Subjects:
Anisotropy
Dentin - chemistry
Dentin - ultrastructure
Dentistry
Humans
Light
Microscopy - methods
Models, Biological
Molar
Monte Carlo Method
Optics and Photonics
Transillumination
multiple scattering
light propagation
optical magnification
tubules
dental microstructure
Online Access:Get full text
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Summary:Light propagation in human dentin exhibits a strong directional dependence featuring the long-known optical magnification property. We hypothesized that this anisotropic effect is caused by multiple scattering at the dentin tubules, and not by fiberoptic effects, as had been previously assumed. We performed measurements of the transmitted intensity from dentin disks and compared them with Monte Carlo simulations of light propagation in dentin, considering the scattering by the tissue’s microstructure. We found that the optical anisotropy of dentin can be fully explained with this model. We concluded that the magnification property of dentin is due to multiple scattering by the dental microstructure.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-0345
1544-0591
DOI:10.1177/154405910608501017