The paper presents some researches concerning the mechanical properties of composite materials used for prosthetic dental elements. After a short introduction concerning the general strains and loads that usually apply upon prosthetic works, the authors present the virtual model of a molar tooth subjected to the most common actions, using finite element method. Then the results are further shown by means of experimental methods and finally the conclusion concerning the possible use of fibre reinforced composite materials are presented.
Plantar pressure is a physiological parameter whose values provide a comprehensive image of the general health of a person. Also by improving the distribution of the plantar pressure, the posture, balance, and comfort of a person can be significantly enhanced. This improvement can be accomplished with the help of personalized insoles with carefully designed shapes and selected composite materials, following advanced processing technologies. The present paper proposes some solutions for a proper choice of the insole materials according to the type of illness that affects the foot. These materials should meet a multitude of conditions that are impossible to accomplish by using classic footwear materials, so a carefully selected combination of composite materials is the obvious choice. The recommendations for the best materials are the object of the present research.
Some theoretical and experimental considerations upon motions developed at hand and wrist levels, for a sample of human subjects without previous pathologies are presented in this paper. Thus, aspects related to the anthropometry of the system wrist-hand-fingers are presented in the first part of the paper, for different categories of subjects out of which the examples used to apply the proposed methodology are selected. The analysis structures required for recording and thermographic evaluation of the hand structure when subjected to controlled effort are presented in the second part of the paper. The third part of the paper is dedicated to the presentation and processing of results and conclusions concerning the thermographic behavior and manifestation of the assembly consisting of wrist-hand-fingers during controlled induced motions.
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