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Relate the oxide layer and biocompatibility of titanium.
The compatibility of a metal with its host environment depends on its resistance to biodegradation and on the degree of cytotoxicity of its products of corrosion. Surface properties of a biomaterial are an extremely critical aspect of biocompatibility.Applied Basic Sciences Passive reactions on metals possessing a high reactive surface energy that interacts with oxygen, forms passivated surface oxides. Titanium on exposure to air forms several oxides, such as TiO, TiO2, Ti2O3, with three different crystal structures (anastase, rutile, and brookite). Mainly it forms a surface coating of titanium oxide (TiO2) which is about 10 to 100 A, thus providing a stable ceramic interface on which mineralizing bone matrix is deposited. This oxide surface provides an initial 5200 Armstrong reactive surface that becomes coated by plasma proteins (especially fibro nectin and vitronectin) at the time of implant placement.It is from the biological inertness of this oxide surface that implant derive the important property of biocompatibility.
Advantage and disadvantages of Fensom and Spanner Electroosmotic Flow Hypothesis The model has several advantages over Munch's model. The presence of P- proteins, and the occl
what are the 3 main excretory produces of mammals?
Q. Explain Bruce Protocol? Bicycle Ergometry Most bicycle test are performed sitting upright, but supine bicycle test have become more popular. Treadmill Test The
Determine the term Anapsid ? The type of skull found in reptiles and seen today only in turtles. Behind the opening of the orbits the skull is solid and lacks temporal openings
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In what order did the four phyla of protazoa evolve and why in this order?
Which of the following is true for a toe motor neuron that excites a toe muscle that moves the big toe in the left foot? A. All of the axon terminals of the toe motor neuron ar
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Define Poverty Alleviation to control under nutrition? There are a number of development programmes aiming at employment assurance to the landless and other labour with a focus
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