Passive Fit
Mostrando 13-21 de 21 artigos, teses e dissertações.
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13. Analise fotoelastica da distribuição de tensões induzidas por infra-estruturas implanto-suportadas apos soldagem a laser ou retificação de cilindros
This study evaluated two techniques indicated to obtain implant-supported fixed prostheses with satisfactory passive fit by means of photoelastic analysis. Two titanium casts groups were fabricated in a metallic master cast: Group I ? three frameworks fabricated by laser welded cylinder technique and Group II ? three frameworks cast in one-piece and submitte
Publicado em: 2005
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14. Analise do assentamento passivo de infra-estruturas implanto-suportadas obtidas pelas tecnicas do cilindro cimentado e soldado a laser
The aim of this study was to evaluate the passive fit of fixed implant supported prosthesis titanium frameworks using the cemented cylinder and laser welded cylinder techniques. Thus, in an edentulous mandibular arch, constructed with "chromium steel", five analogous were fixed, parallels, 10mm apart, center to center. Twenty master casts were obtained in de
Publicado em: 2002
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15. Analise da adaptação marginal de proteses fixas implanto-suportadas em liga de titanio, fundidas em monobloco ou submetidas a soldagem laser e eletroerosão atraves do assentamento passivo
The aim of this work was to evaluate the passive fit of fixed implant-supported prosthesis titanium ftameworks cast in one-piece and laser welded, before and after the spark erosion procedure. Twenty specimen were fabricated ITom a master model with five implants placed parallel in the inter foramen region, and cast in commercially pure titanium Ti c.p (Rema
Publicado em: 2001
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16. Nature of PEVK-titin elasticity in skeletal muscle
A unique sequence within the giant titin molecule, the PEVK domain, has been suggested to greatly contribute to passive force development of relaxed skeletal muscle during stretch. To explore the nature of PEVK elasticity, we used titin-specific antibodies to stain both ends of the PEVK region in rat psoas myofibrils and determined the region’s force-exten
The National Academy of Sciences.
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17. Viscoelastic response of fibroblasts to tension transmitted through adherens junctions.
Cytoplasmic deformation was monitored by observing the displacements of 200-nm green fluorescent beads microinjected into the cytoplasm of Swiss 3T3 fibroblasts. We noted a novel protrusion of nonruffling cell margins that was accompanied by axial flow of beads and cytoplasmic vesicles as far as 50 microm behind the protruding plasma membrane. Fluorescent an
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18. Modeling of Transfer Kinetics at the Serum-Cerebrospinal Fluid Barrier in Rabbits with Experimental Meningitis: Application to Grepafloxacin
The goals of the present study were to model the population kinetics of in vivo influx and efflux processes of grepafloxacin at the serum-cerebrospinal fluid (CSF) barrier and to propose a simulation-based approach to optimize the design of dose-finding trials in the meningitis rabbit model. Twenty-nine rabbits with pneumococcal meningitis receiving grepaflo
American Society for Microbiology.
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19. Viscoelastic relaxation in the membrane of the auditory outer hair cell.
The outer hair cell (OHC) in the mammalian ear has a unique membrane potential-dependent motility, which is considered to be important for frequency discrimination (tuning). The OHC motile mechanism is located at the cell membrane and is strongly influenced by its passive mechanical properties. To study the viscoelastic properties of OHCs, we exposed cells t
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20. Contribution of electrogenic ion transport to impedance of the algae Valonia utricularis and artificial membranes.
The cell membrane of Valonia utricularis contains an electrogenic carrier system for chloride (Wang et al., Biophys J. 59:235-248 (1991)). The electrical impedance of V. utricularis was measured in the frequency range between 1 Hz and 50 kHz. The analysis of the impedance spectra from V. utricularis and its comparison with equivalent circuit models showed th
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21. Differences in maximum velocity of shortening along single muscle fibres of the frog.
The velocity of 'unloaded' shortening (V0) and the force-velocity relation were studied during fused tetani (0.5-2.0 degrees C) in short successive segments along the entire length of single fibres isolated from the tibialis anterior muscle of Rana temporaria. The segments were defined by opaque markers of hair that were placed on the fibre surface, 0.5-0.8