Asymptotic Analysis of the Stress Field in Adhering Dental Restorations

[+] Author and Article Information
P. F. Hübsch, J. Middleton

University of Wales College of Medicine, Dental School, Department of Basic Dental Science, Heath Park, Cardiff CF4 4XY, Wales, United Kingdom

J Biomech Eng 122(4), 408-415 (Feb 28, 2000) (8 pages) doi:10.1115/1.1286564 History: Received June 22, 1999; Revised February 28, 2000
Copyright © 2000 by ASME
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Geometry of restored tooth and location of possible singularities
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Local geometry at the point of geometric discontinuity at a material interface
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Geometry considered by Bogy and Wang 9
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Geometry used in the validation example together with the associated finite element mesh
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Displacement versus radial coordinate plot in logarithmic coordinates (case 1)
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Order of the singularity around a dental restoration; dependence on Young’s modulus (case 1)
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Order of the singularity around a dental restoration; dependence on Poisson’s ratio (case 1)
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Angular dependence of the order of singularity in the case of a sharp corner in the interior of the domain
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Dependence of the order of singularity on the piercing angle; variation with Poisson’s ratio
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Dependence of the order of singularity on the piercing angle; variation with Young’s modulus
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Curved cavity wall avoiding the singularities at the dentino-enamel junction and at the free surface
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Cavity shapes analyzed by Porte et al. 12 in an experimental investigation




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