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Displaying 51 - 75 of 2768

Calcium Phosphate Cements: Chemistry, Properties, and Applications

August 1, 2000
Author(s)
Laurence C. Chow
… This paper reviews recent studies on self-setting calcium phosphate cements (CPC). Discussions are focused on the … of CPC are considerably lower than ceramic calcium phosphate biomaterials and are also lower than some of the … bone graft, calcium phosphate cements, hydroxyapatite, solubility pahse diagram, …

Injectable and Macroporous Calcium Phosphate Cement Scaffold

August 1, 2006
Author(s)
Hockin D. Xu, Michael Weir, Elena F. Burguera, A M. Fraser
… Calcium phosphate cement (CPC) can be molded and self-harden in vivo … %, 30 %, 40 % and 50 %. The cement liquid contained sodium phosphate as a hardening accelerator and hydroxypropyl … bone repair, calcium phosphate cement, injectability, macroporous scaffold, …

Shear Bond Strength of Bioactive Amorphous Calcium Phosphate Composites

November 1, 2007
Author(s)
Gary E. Schumacher, Joseph M. Antonucci, Justin N. O'Donnell, Drago Skrtic
… Bioactive, amorphous calcium phosphate (ACP)-filled polymeric composites in aqueous … amorphous calcium phosphate, composite, shear bond strength, Dentistry … Shear Bond Strength of Bioactive Amorphous Calcium Phosphate Composites …

Hydroxyapatite Formation in a Calcium Phosphate Cement Under Different Storage Conditions

October 12, 2021
Author(s)
S Hirayama, Shozo Takagi, T Ikemi, Laurence Chow
… A water-activated self-hardening calcium phosphate cement (CPC) has been the subject of considerable … as a bone graft material. A CPC derived from tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA) hardens in 30 min with the … calcium phosphate cement, diametral tensile strength, dicalcium …

Antibacterial amorphous calcium phosphate nanocomposite with quaternary ammonium salt and silver nanoparticles

February 2, 2012
Author(s)
Nancy Lin, Lei Cheng, Michael D. Weir, Hockin H. Xu, Joseph M. Antonucci, Alison M. Kraigsley, Sheng Lin-Gibson, Xuedong Zhou
… Objectives. Calcium and phosphate ion-releasing resin composites are promising for … and silver nanoparticles (NanoAg) into amorphous calcium phosphate nanocomposite (NanoACP) for the first time to … QADM and NanoAg were incorporated into calcium phosphate composite for the first time. NanoACP+QADM+NanoAg …

Neutron Scattering Studies of Lithium-Ion Diffusion in Ternary Phosphate Glasses

June 30, 2016
Author(s)
Gavin Hester, Tom Heitmann, Madhu Sudan Tyagi, Munesh Rathore, Anshuman Dalvi, Saibal Mitra
… modification of the structure and to an increase lithium ion (Li + ) conduction. We find that an increase of Li 2 SO 4 … Lithium ion diffusion, neutron scattering … Neutron Scattering Studies of Lithium-Ion Diffusion in Ternary Phosphate Glasses …

Effect of an Organogelator on the Properties of Dental Composites

May 1, 2005
Author(s)
Elizabeth Wilder, K S. Wilson, Janet Quinn, Drago Skrtic, Joseph M. Antonucci
… Bioactive dental composites containing amorphous calcium phosphate have the potential to remineralize caries lesions … are limited by the inherent weakness of calcium phosphate as a filler material. In order to extend the … that exhibit strong mechanical properties and sustained ion release. Dibenzylidene sorbitol (DBS) is an organic …

Mechanical Strength of Various Types of Calcium Phosphate Cements

October 12, 2021
Author(s)
Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence Chow, A Akashi, A Akamine
… It has been reported that organic or polymeric calcium phosphate cements can be made from reactive calcium … and in vitro durability of several types of calcium phosphate cements were assessed.Two commercial cements and … were tested in this study. Three sizes of tetracalcium phosphate (TTCP) particles, fine, medium and coarse, were …

Formation of Macropores in Calcium Phosphate Cements Through the Use of Mannitol Crystals

January 1, 2001
Author(s)
Milenko Markovic, Shozo Takagi, Laurence C. Chow
… 100 m to {nearly equal to} 400 m were mixed with calcium phosphate cement (CPC) powders that contained equimolar amounts of tetracalcium phosphate and dicalcium phosphate anhydrous. CPC-mannitol mixtures with mass … calcium phosphate cement, hardening time, macropores, mannitol, …

Reduction in dentin permeability using mildly supersaturated calcium phosphate solutions

February 1, 2004
Author(s)
Ai-Shuan(Maria) Cherng, Laurence C. Chow, Shozo Takagi
… multiple treatments with a mildly supersaturated calcium phosphate solution on the hydraulic conductance (Lp) of … solution contained 6.5 mmol/L (mM) each of calcium and phosphate, 0.25 mM fluoride, 30 mM KCl, and 50 mM HEPES … Calcium phosphate, dentin permeability, multiple treatments, smear …

Physical Properties of Composite Bone Grafts Consisting of Calcium Phosphate Cement and Chondroitin Sulfate (Poster)

April 1, 2005
Author(s)
Francis W. Wang, S Hirayama, James H. Yen, Shozo Takagi
… Calcium phosphate cement (CPC), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), sets by reacting with water to … bone grafts, calcium phosphate cement, chondroitin sulfate, composites, … Properties of Composite Bone Grafts Consisting of Calcium Phosphate Cement and Chondroitin Sulfate (Poster) …

Antibacterial and physical properties of calcium-phosphate and calcium-fluoride nanocomposites with chlorhexidine

February 6, 2012
Author(s)
Lei Cheng, Michael D. Weir, Hockin H. Xu, Alison M. Kraigsley, Nancy Lin, Sheng Lin-Gibson, Xuedong Zhou
… to (1) develop nanocomposites containing amorphous calcium phosphate (ACP) nanoparticles, calcium fluoride (CaF2) … the novel nanocomposites could not only release calcium phosphate ions to remineralize the existing lesions, release … calcium fluoride, calcium phosphate, caries inhibition, chlorhexidine, dental …

In Vitro Cytotoxicity of Amorphous Calcium Phosphate Composites

May 1, 2005
Author(s)
Carl Simon Jr., Joseph M. Antonucci, D W. Liu, Drago Skrtic
… Calcium phosphate-based biomaterials are being widely used as bone … anti-demineralizing/remineralizing amorphous calcium phosphate (ACP)-based polymeric composites show promise in a … amporphous calcium phosphate, cellular response, composites, cytotoxicity, … In Vitro Cytotoxicity of Amorphous Calcium Phosphate Composites …

Histopathologic Reaction of a Calcium Phosphate Cement for Alveolar Ridge Augmentation

July 1, 2002
Author(s)
A Sugawara, K Fujikawa, S K. Kusama, M Nishiyama, S Murai, Shozo Takagi, Laurence Chow
… study was to evaluate the feasibility of using a calcium phosphate cement (CPC) in the reconstruction of a defective … The CPC consisted of an equimolar amount of tetracalcium phosphate and dicalcium phosphate anhydrous. At the beginning of the experiment, all …

Injectable Calcium Phosphate Cement: Effects of Powder-to-Liquid Ratio and Needle Size

July 16, 2007
Author(s)
Elena F. Burguera, Hockin D. Xu, Limin Sun
… Calcium phosphate cement (CPC) sets in-situ with intimate contact … study were: to formulate an injectable tetracalcium phosphate (TTCP)-dicalcium phosphate (DCPD) cement (referred to as CPCD); and to … bone repari, calcium phosphate cement, injectability, nano apatite strength, …

Structures of Biological Minerals in Dental Research

December 1, 2001
Author(s)
M Mathew, Shozo Takagi
… kinds and locations of ionic substitutions. Octacalcium phosphate (OCP), is a probable precursor in biological … fluorapatite, glaserite, hydroxyapatite, octacalcium phosphate …

Antibacterial nanocomposites containing amorphous calcium phosphate and silver nanoparticles with different filler levels

May 7, 2012
Author(s)
Lei Cheng, Michael D. Weir, Hockin H. Xu, Joseph M. Antonucci, Nancy Lin, Sheng Lin-Gibson, Sarah M. Xu, Xuedong Zhou
… A dental composite containing amorphous calcium phosphate nanoparticles (NACP) was developed that released high levels of calcium (Ca) and phosphate (PO4) ions and possessed acid neutralization … on incorporation of antibacterial agents into calcium phosphate composites. The objective of this study was to …
Displaying 51 - 75 of 2768
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