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Displaying 26 - 50 of 108

Injectable Calcium Phosphate Cements

October 16, 2008
Author(s)
Laurence C. Chow, Milenko Markovic, Shozo Takagi
Self-hardening calcium phosphate cements (CPC) have been the subject of considerable interest in biomaterials research, especially as a bone graft material. The first published CPCs consisted of tetracalcium phosphate (TTCP) and dicalcium phosphate

Moldable, Resorbable, Composite Bone Grafts Consisting of Calcium Phosphate Cement and Polymeric Microspheres: Mechanical Properties, Degradation Kinetics and Release of Bioactive Molecules

October 16, 2008
Author(s)
Francis W. Wang, C A. Khatri, J F. Hsii, S Hirayama, Shozo Takagi
We have developed new moldable, resorbable, composite bone grafts made of calcium phosphate cement (CPC) and poly(d,l-lactide-co-glycolide) [PLGA] microspheres or other porogens that allow control release of growth factors. The mass of the PLGA/CPC

Properties of Calcium Phosphate Carbonate Cements

October 16, 2008
Author(s)
Milenko Markovic, Shozo Takagi, Laurence C. Chow
The physicochemical and mechanical properties of two calcium phosphate carbonate cements (CPCC-1 and CPCC-2) formed in solution reaction of (1) [alpha]-tricalcium phosphate ([alpha]-TCP),[alpha]-Ca 3(PO 4)d2^, with calcium carbonate, CaCO 3, and (2)

Ca Pre-Rinse Greatly Increases Plaque and Plaque Fluid F After a F Rinse

May 1, 2008
Author(s)
Gerald L. Vogel, Gary E. Schumacher, Laurence C. Chow, Shozo Takagi, Clifton M. Carey
This study examines if a Ca pre-rinse/F rinse increased plaque and plaque fluid F relative to the F rinse alone. Subjects (n = 13) accumulated plaque two days before rinsing with: (1) 12 mmol/L F (NaF), (2) 150 mmol/L Ca rinse, (3) the Ca rinse followed by

Calcium Phosphate Cement With Non-Rigidity and Strength Durability for Periodontal Bone Repair

August 1, 2006
Author(s)
Hockin D. Xu, Shozo Takagi, Limin Sun, L A. Hussain, Laurence C. Chow, William F. Guthrie, James H. Yen
Background. The need for biomaterials to treat periodontal osseous defects has increased as the world population ages. The objective of the present study was to develop a self-hardening, resorbable, and mech/anically strong calcium phosphate cement (CPC)

Fast Setting CPC-Chitosan Composite: Mechanical Properties and Dissolution Rates

March 16, 2006
Author(s)
Limin Sun, Hockin D. Xu, Shozo Takagi, Laurence C. Chow
Calcium phosphate cement (CPC) can self-harden in vivo to form hydroxyapatite with excellent osteoconductivity. In recent studies, CPC-chitosan composites were developed with high mechanical strength and washout resistance. The objectives of the present

Effect of a Calcium Pre-Rinse on Salivary Fluoride After a 228-ppm Fluoride Rinse

August 1, 2005
Author(s)
Gerald L. Vogel, Laurence C. Chow, Clifton M. Carey, Gary E. Schumacher, Shozo Takagi
The objective of this study was to determine if a concentrated calcium pre-rinse given before a F rinse would cause an increase in the post rinse salivary fluoride (F). The three pre-rinses tested, (30, 150 or 300) mmol/L calcium as calcium lactate