20 August 2004 Optical techniques to understand biofunctional adaptation in human dentine
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Abstract
Human tooth structure in the oral environment is subjected to mechanical forces and thermal fluctuations. Dentine, the major component of the tooth structure, is a bio-composite, mainly composed of a highly mineralized phase and a collagenous phase. When subjected to changes in load and/or temperature, dentine will experience stresses and strains distribution within their structure. Though such effects are found to cause deleterious effects on artificial dental restorations, biological structures such as dentine seem to posses an inherent ability to adapt to functional thermo-mechanical loads. Optical techniques enable visualization and quantification of deformation, strain and stress on dental structures and provide a better understanding on their thermo-mechanical response. In this study 2-dimensional and 3-dimensional digital photoelasticity, digital moiré interferometry and Electronic Speckle Pattern Interferometry (ESPI) are all shown to be quite promising in this application. This paper will highlight these techniques and the corresponding applications. These experiments will aid in designing and development of better dental restorations and implants in clinical practice.
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Anil Kishen, Anil Kishen, Anand Krishna Asundi, Anand Krishna Asundi, } "Optical techniques to understand biofunctional adaptation in human dentine", Proc. SPIE 5474, Saratov Fall Meeting 2003: Optical Technologies in Biophysics and Medicine V, (20 August 2004); doi: 10.1117/12.578378; https://doi.org/10.1117/12.578378
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