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The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement

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dc.contributor.authorRazali N.N.en_US
dc.contributor.authorSukardi M.A.en_US
dc.contributor.authorSopyan I.en_US
dc.contributor.authorMel M.en_US
dc.contributor.authorSalleh H.M.en_US
dc.contributor.authorRahman M.M.en_US
dc.contributor.authorid56825521100en_US
dc.contributor.authorid57200728237en_US
dc.contributor.authorid23482484000en_US
dc.contributor.authorid23668032700en_US
dc.contributor.authorid6602485216en_US
dc.contributor.authorid55328831100en_US
dc.date.accessioned2023-05-29T06:53:12Z
dc.date.available2023-05-29T06:53:12Z
dc.date.issued2018
dc.descriptionBone; Bone cement; Calcium phosphate; Compressive strength; Hydroxyapatite; Lime; Manufacture; Mechanical properties; Ammonium dihydrogen phosphate; Calcium phosphate bone cement; Calcium phosphate cement; Distilled water; Hydrothermal methods; Hydroxyapatite powder; Morphological properties; Synthesized powder; Calciumen_US
dc.description.abstractThe objective of this study is to determine the effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate cement (CPC) for bone filling applications. Hydroxyapatite powder was synthesized via hydrothermal method using calcium oxide, CaO and ammonium dihydrogen phosphate, NH4H2PO4 as the calcium and phosphorus precursors respectively. The effects of calcium excess were evaluated by varying the CaO content at 0, 5 and 15 mole %. The precursors were then refluxed in distilled water at 90-100�C and dried overnight until the calcium phosphate powder was formed. CPC was then produced by mixing the synthesized powder with distilled water at the powder-to-liquid (P/L) ratio of 1.5. The result from the morphological properties of CPC shows the increase in agglomeration and particles size with 5 mole % of calcium excess but decreased with 15 mole % of calcium excess in CPC. This result was in agreement with the compressive strength result where the CPC increased its strength with 5 mole % of calcium excess but reduced with 15 mole % of calcium excess. The excess in calcium precursor also significantly improved the setting time but reduced the injectability of CPC. � Published under licence by IOP Publishing Ltd.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo12053
dc.identifier.doi10.1088/1757-899X/290/1/012053
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85042288823
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85042288823&doi=10.1088%2f1757-899X%2f290%2f1%2f012053&partnerID=40&md5=1eea966a48f65e7fd158bd84610cb155
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/23923
dc.identifier.volume290
dc.publisherInstitute of Physics Publishingen_US
dc.relation.ispartofAll Open Access, Bronze
dc.sourceScopus
dc.sourcetitleIOP Conference Series: Materials Science and Engineering
dc.titleThe effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cementen_US
dc.typeConference Paperen_US
dspace.entity.typePublication
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