Processing and mechanical properties of hydroxyapatite pieces obtained by the gelcasting method

Padilla, S.; Vallet‐Regí, María; Ginebra, Maria‐Pau; Gil, F.J.

doi:10.1016/j.jeurceramsoc.2004.02.017

Cited by 54 publications

(29 citation statements)

References 29 publications

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“…Since calcium orthophosphates are either thermally unstable (MCPM, MCPA, DCPA, DCPD, OCP, ACP, CDHA) or have a melting point at temperatures exceeding ~ 1400 °C with a partial decomposition (α-TCP, β-TCP, HA, FA, TTCP), only the first and the second consolidation approaches are used to prepare bulk bioceramics and scaffolds. The methods include uniaxial compaction [198,199], isostatic pressing (cold or hot) [200][201][202][203][204][205][206], granulation [207,208], loose packing [209], slip casting [210][211][212][213], gel casting [188,189,[214][215][216][217][218][219], pressure mold forming [220], injection molding [221], polymer replication [222][223][224][225], extrusion [226][227][228], slurry dipping and spraying [229], as well as to form ceramic sheets from slurries tape casting [124,216,230,231] doctor blade [232] and colander methods might be employed [194][195][196][197]…”

Section: Forming and Shapingmentioning

confidence: 99%

Medical Application of Calcium Orthophosphate Bioceramics

Dorozhkin¹

2011

BIO

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In the late 1960's, a strong interest was raised in biomedical applications of ceramic materials (named bioceramics a little bit later). Bioceramics was initially used as reasonable alternatives to metals in order to increase their biocompatibility. However, within a short period, it has grown into a diverse class of biomaterials, presently including three essential types: relatively bioinert, bioactive (or surface reactive) and bioresorbable bioceramics. This review is limited to bioceramics prepared from calcium orthophosphates only, which belong to the categories of bioactive and bioresorbable compounds. There have been a number of important advances in this field during the past 30 -40 years. The research was shifted from an initial study on the develop-ment of bioinert bioceramics towards bioactive and bioresorbable bioceramics, and these different types of calcium orthophosphate bioceramics can be tuned through the structural and compositional control. At the turn of the millennium, a new concept of calcium orthophosphate bioceramics has been developed to promote a regeneration of bones. Current biomedical applications of calcium orthophosphate bioceramics include artificial replacements for hips, knees, teeth, tendons and ligaments, as well as repair for periodontal disease, maxillofacial reconstruction, augmenttation and stabilization of the jawbone, spinal fusion and bone fillers after tumor surgery. Potential future applications of calcium orthophosphate bioceramics are demonstrated in drug delivery systems, effective carriers of growth factors, bioactive peptides and/or various types of cells for tissue engineering purposes.

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Section: Forming and Shapingmentioning

confidence: 99%

Medical Application of Calcium Orthophosphate Bioceramics

Dorozhkin¹

2011

BIO

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“…The slurry was placed into moulds in a glove box with a nitrogen controlled atmosphere. The foams were produced in a controlled atmosphere to avoid oxygen contamination which could inhibit the monomers polymerization process [7].…”

Section: Methodsmentioning

confidence: 99%

Modified Gelcasting Process to Prepare Porous Trifasic and Bifasic Hydroxyapatite Scaffolds

Mendonça¹,

Louro²,

Campos

et al. 2008

KEM

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Abstract. In the present work, apatite powders were synthesized at pH 10, pH 11 and pH 12 in order to give rise to biphasic and triphasic bioceramics after sintering. A modified gelcasting process, including polyethylene wax spheres addition to the suspension, is proposed in comparison to the original gelcasting method. The aim of the addition is the creation of uniform, open and interconnected pores in the body of samples.

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“…Diversos estudos relatam as propriedades obtidas para a hidroxiapatita (RAMESH et al, 2013;VISWANATH et al, 2010;PADILLA et al, 2005;THANGAMANI;CHINNAKALI;GNANAM, 2002;SUCHANEK;YOSHIMURA, 1998). A Tabela 2.4 apresenta uma comparação das propriedades mecânicas da hidroxiapatita sinterizada com os ossos e esmalte dentário.…”

Section: Aplicações Da Hidroxiapatitaunclassified

Processamento de hidroxiapatita bovina associada com prototipagem rápida visando implantes ósseos

Meira¹

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Processing and mechanical properties of hydroxyapatite pieces obtained by the gelcasting method

Cited by 54 publications

References 29 publications

Medical Application of Calcium Orthophosphate Bioceramics

Medical Application of Calcium Orthophosphate Bioceramics

Modified Gelcasting Process to Prepare Porous Trifasic and Bifasic Hydroxyapatite Scaffolds

Processamento de hidroxiapatita bovina associada com prototipagem rápida visando implantes ósseos

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