premixed calcium phosphate cement pastes nist
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Premixed Calcium Phosphate Cement Pastes NIST

2003-11-1  A self-hardening calcium phosphate cement (CPC-I), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), has been shown in clini Premixed Calcium Phosphate Cement Pastes NIST

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Premixed calcium-phosphate cement pastes.

2003-11-15  Premixed calcium-phosphate cement pastes. Takagi S(1), Chow LC, Hirayama S, Sugawara A. Author information: (1)American Dental Association Foundation, Paffenbarger Research Center, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA. [email protected]

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In Vivo Characteristics of Premixed Calcium Phosphate ...

2010-8-1  Pre-CPC pastes were prepared by combining CPC powders that consisted of CPC-1: Ca 4 (PO 4) 2 O and CaHPO 4, CPC-2: α-Ca 3 (PO 4) 2 and CaCO 3 or CPC-3: DCPA and Ca(OH) 2 with a glycerol at powder-to-liquid mass ratios of 3.5, 2.5, and 2.5, respectively. In each cement mixture, the Ca to P molar ratio was 1.67.

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Premixed calcium–phosphate cement pastes - Takagi -

2003-10-3  Premixed calcium–phosphate cement pastes. Shozo Takagi, Corresponding Author. [email protected]; American Dental Association Foundation, Paffenbarger Research Center. National Institute of Standards and Technology, Gaithersburg, Maryland 20899.

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Premixed calcium-phosphate cement pastes

A self-hardening calcium-phosphate cement (CPC) containing Ca(4)(PO(4))(2)O and CaHPO(4) has been shown in clinical studies to be efficacious for repairing bone defects. This and several other similar CPCs harden in 10 min with the use of a phosphate solution as the liquid and form hydroxyapatite (H

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115 In Vivo Characteristics of Premixed Calcium

2010-7-1  Previous studies have shown that calcium phosphate cement (CPC-1) [1-3], consisting of tetracalcium phos-phate and dicalcium phosphate anhydrous, and CPC-2, consisting of α-tricalcium phosphate and calcium car-bonate, mixed with sodium phosphate solution, were highly biocompatible [4-8] and osteoconductive [9-14].

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Injectable Calcium Phosphate Cements NIST

2021-7-30  For some applications; the cement paste is best delivered to the site by injection. The present study was conducted to investigate the effects of lubricants and particle sizes of the cements on the injectability of the TTCP/DCPA, [alpha]-tricalcium phosphate ([alpha]-TCP)/calcium carbonate (CaCO 3), and DCPA/CaCO 3 cements. The results of the ...

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Premixed macroporous calcium phosphate cement

Premixed macroporous calcium phosphate cement scaffold Hockin H. K. Xu Æ Lisa E. Carey Æ Carl G. Simon Jr. Received: 21 July 2005/Accepted: 6 April 2006/Published online: 3 February 2007 Springer Science+Business Media, LLC 2007 Abstract Calcium phosphate cement (CPC) sets in situ to form resorbable hydroxyapatite and is

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Premixed calcium phosphate cements: Synthesis, physical ...

2007-4-1  1.. IntroductionHydroxyapatite is an important biomaterial because of its similarity to the apatitic mineral in natural teeth and bones , .A calcium phosphate cement (CPC) was developed with the advantage of being moldable and capable of in situ setting to form hydroxyapatite .Several different cement compositions were developed , , , .The CPC powder consisted of tetracalcium phosphate

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Calcium Phosphate Cements: Chemistry, Properties, and ...

2000-8-1  Abstract This paper reviews recent studies on self-setting calcium phosphate cements (CPC). Discussions are focused on the cement setting reactions, the products formed, those properties of the cements that contribute to their clinical efficacy, and areas of future improvements that could make CPC useful in a wider range of applications.

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Premixed Rapid-Setting Calcium Phosphate Composites ...

2005-1-1  Although calcium phosphate cement (CPC) is promising for bone repair, its clinical use requires on site powder-liquid mixing and placement before the paste hardens. To shorten surgical time and improve graft properties, it is desirable to develop premixed CPC in which the paste remains stable during storage and hardens only after placement into ...

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Premixed Calcium-Phosphate Cement Pastes Request PDF

Recently premixed calcium phosphate cement pastes have been proposed as biomaterials for bone tissue repair and regeneration. Use of premixed pastes saves the time and removes an extra step during ...

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Premixed calcium phosphate cements: Synthesis, physical ...

2007-4-1  1.. IntroductionHydroxyapatite is an important biomaterial because of its similarity to the apatitic mineral in natural teeth and bones , .A calcium phosphate cement (CPC) was developed with the advantage of being moldable and capable of in situ setting to form hydroxyapatite .Several different cement compositions were developed , , , .The CPC powder consisted of tetracalcium phosphate

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Premixed rapid-setting calcium phosphate composites for ...

Although calcium phosphate cement (CPC) is promising for bone repair, its clinical use requires on site powder–liquid mixing. To shorten surgical time and improve graft properties, it is desirable to develop premixed CPC in which the paste remains stable during storage and

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US6793725B2 - Premixed calcium phosphate cement

A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate powders, that are capable of forming hydroxyapatite, with liquid glycerol and hydroxypropyl methylcellulose and Na 2 HPO 4 . The paste will harden upon exposure to water with the time to harden controlled by the choice and ratio of constituents.

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Strontium-modified premixed calcium phosphate cements

Abstract. In this study a premixed strontium-containing calcium phosphate bone cement for the application in osteoporotic bone defects has been developed and characterised regarding its material and in vitro properties as well as minimally invasive applicability in balloon kyphoplasty. Strontium was introduced into the cement by substitution of ...

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Soluble phosphate salts as setting aids for premixed ...

Recently, premixed calcium phosphate cement pastes have been proposed as biomaterials for bone tissue repair and regeneration. Use of premixed pastes saves the time and removes an extra step during a medical operation. α-Tricalcium phosphate (α-TCP) based cements set to form calcium deficient hydroxyapatite which has a moderate bioresorbtion speed. α-TCP cements require a setting aid ...

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Calcium phosphate, tribasic - NIST

Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More

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Influence of Calcium Hydroxide ... - TSAPPS at NIST

drated cement systems. The influence of calcium hydroxide dissolution and its effect on the diffusion properties of hydrated cement pastes were investigated using the NIST CEMHYD3D cement hydration and microstructure development model. The results of these simulations were implemented in another numerical model called STADIUM.

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Blending Different Fineness Cements to Engineer the ... -

cement pastes and mortars (Table 2) were prepared, the former in a high shear blender and the latter in a planetary mixer. To assure adequate workability, a high range water reducer (HRWRA) was used for the mortars prepared with the Type III cement and with the 50:50 and 25:75 blends.

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Premixed calcium phosphate cements: Synthesis, physical ...

2007-4-1  1.. IntroductionHydroxyapatite is an important biomaterial because of its similarity to the apatitic mineral in natural teeth and bones , .A calcium phosphate cement (CPC) was developed with the advantage of being moldable and capable of in situ setting to form hydroxyapatite .Several different cement compositions were developed , , , .The CPC powder consisted of tetracalcium phosphate

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Premixed macroporous calcium phosphate cement scaffold

Calcium phosphate cement (CPC) sets in situ to form resorbable hydroxyapatite and is promising for orthopaedic applications. However, it requires on-site powder-liquid mixing during surgery, which prolongs surgical time and raises concerns of inhomogeneous mixing. The objective of this study was to develop a premixed CPC scaffold with ...

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US6793725B2 - Premixed calcium phosphate cement

A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate powders, that are capable of forming hydroxyapatite, with liquid glycerol and hydroxypropyl methylcellulose and Na 2 HPO 4 . The paste will harden upon exposure to water with the time to harden controlled by the choice and ratio of constituents.

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Premixed injectable calcium phosphate cement with ...

2013-4-6  Premixed injectable calcium phosphate cement (p-ICPC) pastes have advantages over aqueous injectable calcium phosphate cement (a-ICPC) because p-ICPC remain stable during storage and harden only after placement into the defect. This paper focused on the suspension stability of p-ICPC paste by using fumed silica as a stabilizing agent and propylene glycol (PEG) as a continuous phase.

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Premixed calcium phosphate cements: Synthesis, physical ...

1. Introduction. Hydroxyapatite is an important biomaterial because of its similarity to the apatitic mineral in natural teeth and bones [1,2].A calcium phosphate cement (CPC) was developed with the advantage of being moldable and capable of in situ setting to form hydroxyapatite [].Several different cement compositions were developed [4–7].The CPC powder consisted of tetracalcium phosphate ...

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Premixed tricalcium silicate/sodium phosphate dibasic ...

2021-1-1  Premixed calcium-phosphate cement pastes. J. Biomed. Mater. Res. Part B, 67 (2003), pp. 689-696. View Record in Scopus Google Scholar. L.M. Formosa, B. Mallia, J. Camilleri. A quantitative method for determining the antiwashout characteristics of cement-based dental materials including mineral trioxide aggregate.

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Development and Bone Regeneration Capacity of

While in the past only aqueous MPC pastes have been applied, the current study describes the fabrication and in vitro/in vivo testing of an oil-based calcium doped magnesium phosphate (CaMgP) cement paste. Premixed oil-based pastes with CaMgP chemistry combine the advantages of conventional MPC such as high mechanical strength and good ...

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Calcium phosphate - webbook.nist.gov

Calcium phosphate. Formula: Ca 3 O 8 P 2. Molecular weight: 310.177. Information on this page: Notes. Data at other public NIST sites: X-ray Photoelectron Spectroscopy Database, version 4.1. Options:

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NIST - SRM Order Request System SRM 1882 - Calcium ...

2002-3-10  SRM 1882 - Calcium Aluminate Cement, Orange Calcium Aluminate Cement, cement - Certificate ... Purpose: NIST is collecting this information to permit the inventory, order, and purchase of materials and informatic reference materials by the public. Subsequent payment information is collected to enable supporting financial activities (e.g ...

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Curing, Hydration, and Microstructure of Cement Paste -

2008-6-23  The cement pastes analyzed in this study were prepared using Cement and Concrete Reference Laboratory (CCRL) portland cement proficiency sample 152, 16 issued in January 2004. Its particle size distribu tion and phase composition are available online. 17 The cement contained 6% calcium sulfates by volume, distributed as approximately 44% gypsum ...

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