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premixed calcium phosphate cement pastes nist

premixed calcium phosphate cement pastes nist

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

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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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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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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Premixed Calcium-Phosphate Cement Pastes Request PDF

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

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Premixed calcium–phosphate cement pastes - Takagi -

2003-10-3  A self-hardening calcium–phosphate cement (CPC) containing Ca4(PO4)2O and CaHPO4 has been shown in clinical studies to be efficacious for repairing bone defects. This and several other similar CPCs h...

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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

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Shozo Takagi NIST

2021-10-12  Histopathological Reactions of Calcium Phosphate Cement for Alveolar Ridge Augmentation Containing Hydroxyapatite-Coated Implants in Dog Mandibles. ... In Vivo Characteristics of Premixed Calcium Phosphate Cements When Implanted in Subcutaneous Tissues and Periodontal Bone Defects. August 1, 2010 ... NIST Inventors.

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磷酸钙骨水泥的研究进展-维普期刊 中文期刊服务平台

8 Takagi S, Chow LC, Hirayama S, et al. Premixed calcium-phosphate cement pastes. Journal of Biomedical Materials Research,2003,67(2):689. 被引量:1 9 Del Real RP, Ooms E, Wolke JG, et al.In vivo bone response to porous calcium phosphate cement ...

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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 ...

get price

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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Publications NIST

2021-10-12  The present study evaluated characteristics of premixed calcium phosphate cements (Pre-CPCs) when implanted in subcutaneous tissues (Study I) and used for repairing surgically created two-wall periodontal defects (Study II). Pre-CPC pastes were prepared by

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Premixed Calcium-Phosphate Cement Pastes Request PDF

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

get price

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

get price

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 hardens only after placement into the defect.

get price

Shozo Takagi NIST

2021-10-12  Histopathological Reactions of Calcium Phosphate Cement for Alveolar Ridge Augmentation Containing Hydroxyapatite-Coated Implants in Dog Mandibles. ... In Vivo Characteristics of Premixed Calcium Phosphate Cements When Implanted in Subcutaneous Tissues and Periodontal Bone Defects. August 1, 2010 ... NIST Inventors.

get price

Premixed rapid-setting calcium phosphate composites for ...

2005-8-1  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 hardens only after placement into the defect.

get price

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 ...

get price

磷酸钙骨水泥的研究进展-维普期刊 中文期刊服务平台

8 Takagi S, Chow LC, Hirayama S, et al. Premixed calcium-phosphate cement pastes. Journal of Biomedical Materials Research,2003,67(2):689. 被引量:1 9 Del Real RP, Ooms E, Wolke JG, et al.In vivo bone response to porous calcium phosphate cement ...

get price

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 ...

get price

Publications NIST

2021-10-12  The present study evaluated characteristics of premixed calcium phosphate cements (Pre-CPCs) when implanted in subcutaneous tissues (Study I) and used for repairing surgically created two-wall periodontal defects (Study II). Pre-CPC pastes were prepared by

get price

Premixed macroporous calcium phosphate cement scaffold

Processing of macroporous premixed CPC scaffold. The CPC powder consisted of mass fractions of 73% tetracalcium phosphate (TTCP, Ca 4 [PO 4] 2 O) and 27% dicalcium phosphate anhydrous (DCPA, CaHPO 4), resulting in a TTCP:DCPA molar ratio of 1:1.The TTCP powder was synthesized from a solid-state reaction between equimolar amounts of CaHPO 4 and

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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

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US20020137812A1 - 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 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 ...

get price

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 hardens only after placement into the defect.

get price

In Vivo Characteristics of Premixed Calcium Phosphate ...

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

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Premixed macroporous calcium phosphate cement

2007-2-3  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 macropores suitable for

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β-TCPMCPM-based premixed calcium phosphate cements ...

2012-10-21  However, addi-tion certainacidic accelerators otherfunctional agents may affect vivo [14,15], alsocomplicate cement.Compared TTCP,b-TCP morestable mostimportantly, b-TCP/monocalcium phosphate monohydrate (MCPM)-based cement, known brushitecement, has muchshorter setting time than TTCP/ DCPA-based cement. When mixed water,b-TCP/ MCPM

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