By T Kokubo

Bioceramics were used very effectively in the human physique for a few years. they're ordinary in orthopaedic surgical procedure and dentistry yet they're probably compatible for quite a lot of very important functions in the clinical gadget undefined. this crucial publication reports the variety of bioceramics, their houses and diversity of medical uses.

Chapters within the first component to the e-book discusses problems with importance to quite a number bioceramics equivalent to their constitution, mechanical homes and organic interactions. the second one half studies the fabrication, microstructure and houses of particular bioceramics and glasses, focusing on the main promising fabrics. those contain alumina and zirconia ceramics, bioactive glasses and bioactive glass-ceramics, calcium sulphate, tricalcium phosphate-based ceramics, hydroxyapatite, tricalcium phosphate/hydroxyapatite biphasic ceramics, si-substrated hydroxyapatite, calcium phosphate cement, calcium phosphate coating, titania-based fabrics, ceramic-polymer composites, dental ceramics and dental glass-ceramics. the ultimate workforce of chapters stories the scientific purposes of bioceramics in joint alternative, bone grafts, tissue engineering and dentistry.

Bioceramics and their medical purposes is written through best teachers from all over the world and it presents an authoritative evaluate of this hugely lively zone of analysis. This ebook is an invaluable source for biomaterials scientists and engineers, in addition to for clinicians and the educational community.

  • Provides an authoritative evaluation of this hugely lively sector of research
  • Discusses problems with value of a number bioceramics reminiscent of their constitution, mechanical homes and organic interactions
  • Reviews the medical purposes of bioceramics in joint alternative, bone grafts, tissue engineering and dentistry

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Additional resources for Bioceramics and Their Clinical Applications

Sample text

The variation is considerable. 6 Ternary diagram of the composition of wet compact bone from a number of sources. , 1998). 8 (Currey, 2004), referring to dry weights, show Young’s modulus (stiffness) and work of fracture (a good measure of toughness) as a function of mineral content. Work of fracture is the work done in fracturing a specimen that has been notched in a way so that the crack travels slowly, and not catastrophically. It more truly represents the work done in creating the new surfaces than the work under a load–deformation curve (Tattersall and Tappin, 1966).

To avoid locally remained stress or increase green density (up to 60% of theoretical values), cold isostatic pressing (CIP) is sometimes employed, which enables uniform pressing in a soft rubber mold. The method is done according to Archimedes principle using Ar gas or water as the medium of equiaxial pressure.

008. After this point irrecoverable damage is being done to the specimen. However, the work under the stress–strain curve after the yield point is useful in extremis because work must be done on the specimen to bring it to the final stress or strain, and so the specimen, or rather the bone from which the specimen comes, may be able to withstand a blow although it may be damaged in the process. The total area under the stress– strain curve is a rough measure of the ‘toughness’ of the material. The area under the part before the yield point is called the ‘resilience’ of the material, and is the energy that can be absorbed without the specimen being damaged.

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