The study of elastic deformation of the stomatological base plastic materials by electron speckle interferometry

Igor' Yul'evich Lebedenko; V P Shchepinov; A V Osintsev; D V Serebrov; O I Kovalenko; I Yu Lebedenko; V P Shchepinov; A V Osintsev; D V Serebrov; O I Kovalenko

doi:10.17816/dent.38840

Russian Journal of Dentistry ›› 2011, Vol. 15 ›› Issue (1) : 9 -13. DOI: 10.17816/dent.38840

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The study of elastic deformation of the stomatological base plastic materials by electron speckle interferometry

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Abstract

The strength, elasticity, and fatigue bending resistance are believed to be the indispensable properties of stomatological base plastic materials used to manufacture removable dental prostheses. We undertook a comparative analysis of the changes in the character of elastic restoration (elastic deformation) of different specimens of base plastics under initial conditions and after incubation in a model saliva solution. Electron digital speckle interferometry was used to identify major features distinguishing the Valplast plastic base from analogous materials in terms of elastic restoration of the shape of the specimens after releasing the load. This material displays the maximum incremental bending. It was shown that exposure to the model saliva solution reduces its strength and related characteristics.

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base plastic materials / speckle interferometry / elastic deformations

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Igor' Yul'evich Lebedenko, V P Shchepinov, A V Osintsev, D V Serebrov, O I Kovalenko, I Yu Lebedenko, V P Shchepinov, A V Osintsev, D V Serebrov, O I Kovalenko. The study of elastic deformation of the stomatological base plastic materials by electron speckle interferometry. Russian Journal of Dentistry, 2011, 15(1): 9-13 DOI:10.17816/dent.38840

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