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Novel injectable calcium phosphate bone cement from wet chemical precipitation method

Hablee, Sufiamie and Sopyan, Iis and Mel, Maizirwan and Mohd. Salleh, Hamzah and Rahman, Md Mujibur and Singh, Ramesh Kishore (2017) Novel injectable calcium phosphate bone cement from wet chemical precipitation method. In: 2nd International Conference on Materials Engineering and Nanotechnology, ICMEN 2017, 12-14 May 2017, Kuala Lumpur; Malaysia.

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Abstract

Calcium phosphate cement has been prepared via chemical precipitation method for injectable bone filling materials. Calcium hydroxide, Ca(OH)2, and diammonium hydrogen phosphate, (NH4)2HPO4, were used as calcium and phosphorus precursors respectively. The synthesized powder was mixed with water at different powder-to-liquid (P/L) ratios, which was adjusted at 0.8, 0.9, 1.0, 1.1 and 1.2. The influence of P/L ratio on the injectability, setting time and mechanical strength of calcium phosphate cement paste has been evaluated. The synthesized powder appeared as purely hydroxyapatite with nanosized and agglomerated spherical particles. All cement pastes show excellent injectability except for the paste with P/L ratio 1.2. Calcium phosphate cement with P/L ratio 1.1 shows the ideal cement for bone filler application with good injectability, the initial and final setting times of 30 min and 160 min, and the compression strength of 2.47 MPa. The result indicated that the newly developed calcium phosphate cement is physically suitable for bone filler application. This paper presents our investigation on the effect of P/L ratio on the handling and mechanical properties of calcium phosphate cement prepared via wet chemical precipitation method.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 4809/59498
Uncontrolled Keywords: Novel injectable; Calcium phosphate; Bone cement; Wet chemical; Precipitation method
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401 Materials of engineering and construction
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: PROF. DR. IIS SOPYAN
Date Deposited: 21 Nov 2017 11:13
Last Modified: 18 Aug 2019 14:17
URI: http://irep.iium.edu.my/id/eprint/59498

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