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30 de jun. de 2016 · Unlike type 1 and type 2, the contour of the stem is curved smoothly rather than abruptly. And these stems are not only surface-treated proximally but also distally, also distinct from types 1 and 2. Fixation is achieved at the metaphyseal-diaphyseal junction where normal medullary cavity of femurs gets narrow down.
1 de abr. de 2022 · They implanted straight and curved prosthesis stems of five and four different lengths. The study found that reducing the length of the straight stem from 146 to 54 mm increased the average micromotion between prosthesis stem and bone during rapid walking from 17 to 52 μm, while the peak value increased from 42 to 104 μm.
24 de mar. de 2022 · The transfemorally implanted Revitan Curved stem (Zimmer, Winterthur, Switzerland) had a press-fit distal fixation (Fig. 6.18c) and thus a different fixation principle to that of the endofemorally implanted curved stem, which achieved its primary stability with a three-surface fixation (Fig. 6.27a, b) (see Chap. 7).
12 de oct. de 2022 · The surgical approach in cochlear implantation, i.e. round window (RW) or cochleostomy (CO), and type of electrode-array, perimodiolar (PM) or lateral wall (LW), are variables that might...
However, the impact after the implantation of a curved conical intravascular stent in the physiological environment requires further evaluation. This study analyzed the mechanical behaviors of stents implanted with tapered vessels using the finite element method.
4 de abr. de 2008 · Long curved stems can be implanted endofemoral as long as the femur is not deformed. In an anatomical study analyzing the implant-bone-contact in transverse sections from the fixation areas of transfemoral and endofemoral implanted curved Revitan stems into cadavers, we could show that the fixation principle of the stem depends on ...
8 de ago. de 2023 · A dental implant is a structure made of alloplastic materials implanted into the oral tissues beneath the mucosa and/or periosteum and/or within or through the bone to provide retention and support for a fixed or removable dental prosthesis. Implant dentistry the second oldest dental profession; exodontia (oral surgery) is the oldest.
