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Strain-Stress analysis of pig femur
Legerský, Radek ; Valášek, Jiří (referee) ; Florian, Zdeněk (advisor)
This master’s thesis deals with the strain-stress analyses of the pig femoral bone in physiological and pathological condition. Pathological condition is determined by a significant defect in diaphysis of the bone fixed by using direct angular stable locking plate with screws. The thesis describes the creation of computational models with special focus on bone tissues models of material, which are based on analysis of digital images from computed tomography (CT). There are created and analyzed three types of computational models: the first one corresponds to physiological condition of femur, the second one to femur with significant defect and fixation plate and the third one to femur with significant defect, fixation plate and rod. Every model is loaded in three ways: the first of them simulating the experimental conditions of pressure testing of the femur, the second one bone stress in the sagittal plane and the third one stress by using load determined from probational release of the pig hind limb. Strain-stress states are determined by finite element method using Ansys computational system. Gained results of stress and strain are compared with experimental measurements. The thesis presents a basic idea of the mechanical behavior of porcine femur and porcine femur with significant bone defect.
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Material development of dental implants
Legerský, Radek ; Borák, Libor (referee) ; Florian, Zdeněk (advisor)
The study deals with the development of materials currently used in the manufacture of dental implants. Special attention is paid to chemical composition, mechanical properties and biocompatibility of these materials. The aim and result of the thesis is creation of comprehensive overview of the different material groups, which are characterized by their quality and appropriateness of use. Benefit is an assessment of titanium alloys, which exhibit excellent properties both in terms of mechanical, chemical and biocompatible.
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Strain-Stress analysis of pig femur
Legerský, Radek ; Valášek, Jiří (referee) ; Florian, Zdeněk (advisor)
This master’s thesis deals with the strain-stress analyses of the pig femoral bone in physiological and pathological condition. Pathological condition is determined by a significant defect in diaphysis of the bone fixed by using direct angular stable locking plate with screws. The thesis describes the creation of computational models with special focus on bone tissues models of material, which are based on analysis of digital images from computed tomography (CT). There are created and analyzed three types of computational models: the first one corresponds to physiological condition of femur, the second one to femur with significant defect and fixation plate and the third one to femur with significant defect, fixation plate and rod. Every model is loaded in three ways: the first of them simulating the experimental conditions of pressure testing of the femur, the second one bone stress in the sagittal plane and the third one stress by using load determined from probational release of the pig hind limb. Strain-stress states are determined by finite element method using Ansys computational system. Gained results of stress and strain are compared with experimental measurements. The thesis presents a basic idea of the mechanical behavior of porcine femur and porcine femur with significant bone defect.
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Material development of dental implants
Legerský, Radek ; Borák, Libor (referee) ; Florian, Zdeněk (advisor)
The study deals with the development of materials currently used in the manufacture of dental implants. Special attention is paid to chemical composition, mechanical properties and biocompatibility of these materials. The aim and result of the thesis is creation of comprehensive overview of the different material groups, which are characterized by their quality and appropriateness of use. Benefit is an assessment of titanium alloys, which exhibit excellent properties both in terms of mechanical, chemical and biocompatible.
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