The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement
Bone; 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; Synthe...
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2023
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my.uniten.dspace-239232023-05-29T14:53:13Z The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement Razali N.N. Sukardi M.A. Sopyan I. Mel M. Salleh H.M. Rahman M.M. 56825521100 57200728237 23482484000 23668032700 6602485216 55328831100 Bone; 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; Calcium The 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. Final 2023-05-29T06:53:12Z 2023-05-29T06:53:12Z 2018 Conference Paper 10.1088/1757-899X/290/1/012053 2-s2.0-85042288823 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042288823&doi=10.1088%2f1757-899X%2f290%2f1%2f012053&partnerID=40&md5=1eea966a48f65e7fd158bd84610cb155 https://irepository.uniten.edu.my/handle/123456789/23923 290 1 12053 All Open Access, Bronze Institute of Physics Publishing Scopus |
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| description |
Bone; 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; Calcium |
| author2 |
56825521100 |
| author_facet |
56825521100 Razali N.N. Sukardi M.A. Sopyan I. Mel M. Salleh H.M. Rahman M.M. |
| format |
Conference Paper |
| author |
Razali N.N. Sukardi M.A. Sopyan I. Mel M. Salleh H.M. Rahman M.M. |
| spellingShingle |
Razali N.N. Sukardi M.A. Sopyan I. Mel M. Salleh H.M. Rahman M.M. The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| author_sort |
Razali N.N. |
| title |
The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| title_short |
The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| title_full |
The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| title_fullStr |
The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| title_full_unstemmed |
The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| title_sort |
effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement |
| publisher |
Institute of Physics Publishing |
| publishDate |
2023 |
| _version_ |
1806427289087377408 |
| score |
13.214268 |