Titlebook: Interfaces in Medicine and Mechanics—2; K. R. Williams,A. Toni,G. Pallotti Book 1991 Elsevier Science Publishers Ltd 1991 Metall.alloy.com

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,Changes of Antibiotic Sensitivity after Contact “In Vitro” of Bacteria with Metals,examined the changes in the resistance to antibiotics after contact with the metals used in the construction of prostheses, under the hypothesis that the persistence of the infection is due to a modification in the sensitivity of microorganisms. Compared with the results obtained from control tests,

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A New Technioue for Intact Interface Studies of Bone and Biomaterials using Light and Electron Micrto failure of the implantStandard techniques to date have been adequate for studying the histological changes at the interface. For ultrastructural studies, ultrathin sections of the edge of bone have always been difficult to obtain; phase problems exist due to the edge being composed of hard minera

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Bone Mineral as Seen in the Scanning and Transmission Electron Microscopes,neral hydroxyapatite component as small spheroidal particles ∼ 10 nm across which are fused together to form spheroidal units ∼ 100 nm across. These 100 nm units aggregate to form a continuous mineral phase with holes or gaps (typically ∼ 200 nm across) through which collagen fibres pass .. TEM phot

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Pin-Bone Interface: A Geometric and Material Non-Linear Analysis,on is paid to the evaluation of stress and strain fields at the pin-bone interface, analysing this problem according to a contact surface strategy. This geometric non linear aspect is coupled with material non-linearity by introducing an elasto-plastic material constitutive law for bone. A general f

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The Ellipse of Elasticity Applied to a Dental Prosthesis,cal and geometric description of the elastic deformation of beams of various geometries under a variety of loading conditions..The calculated strains have been compared with numerically computed data on the same structures as a means of validation of implant and prosthesis behaviour. Results indicat

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Debondihg,ciples of finite element stress analysis have been applied to three different methods of orthodontic bracket removal. This method identifies the area of maximum principal stress which is the likely location for the initiation of the crack within the enamel/composite/ complex.

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Formation of Extracellular Deposits by Macrophages Exposed to Poorly Degradable Biomaterials,estos fibers were studied with transmission electron microscopy and X-ray microanalysis. It was found that the structure of the granulomas was dependent on the nature of the injected material. Macrophages found in the granulomas contained iron-rich inclusion bodies. Asbestos bodies were plentiful in