Application of optical longitudinal tomography for dental introscopy

Gennady G. Levin; Alexander A. Burgansky; Alexei G. Levandovski

doi:10.1117/12.280214

18 August 1997 Application of optical longitudinal tomography for dental introscopy

Gennady G. Levin, Alexander A. Burgansky, Alexei G. Levandovski

Proceedings Volume 2979, Optical Tomography and Spectroscopy of Tissue: Theory, Instrumentation, Model, and Human Studies II; (1997) https://doi.org/10.1117/12.280214
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

A new method of dental introscopy in-vitro is suggested by the authors. This method implies the usage of longitudinal tomography techniques and is characterized by non-invasive and non-harmful diagnostics features, as well as interactive regime of image reconstruction which lets an operator (doctor) to control the diagnostics process in real time. He-Ne laser emission is used for obtaining of the projections. By the means of longitudinal tomography, images of different sections of an object (tooth) can be reconstructed. An experiment was held by the authors in which 100 projections of a tooth (premolar) were obtained and images of 10 different sections were reconstructed. These images were later compared to real sections of the tooth. This experiment proved that optical longitudinal tomography can be successfully used for dental introscopy. Authors claim that optical tomographic methods can be used for diagnostics of other biological objects as well. Such objects are characterized by spatial geometrical anisotropy (tubular bones, phalanxes of fingers, penis, etc.). It is especially promising to use this method for children's dentistry. the authors discuss some features of the data acquisition system for optical longitudinal tomography. Reconstruction algorithms are described. The results of experimental reconstruction are presented and advantages of this diagnostics method are discussed.

Citation Download Citation

Gennady G. Levin, Alexander A. Burgansky, and Alexei G. Levandovski "Application of optical longitudinal tomography for dental introscopy", Proc. SPIE 2979, Optical Tomography and Spectroscopy of Tissue: Theory, Instrumentation, Model, and Human Studies II, (18 August 1997); https://doi.org/10.1117/12.280214

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KEYWORDS

Tomography

Diagnostics

Teeth

Optical tomography

Reconstruction algorithms

Biomedical optics

Dentistry

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