In vivo response of strontium and zinc-based ionomeric cement implants in bone
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In this study the osteoconductive properties of strontium based ionomeric cements (ICs) named, LG125 and LG119, as well as zinc-based ICs, designated by LG130 and LG132, were compared. Wet ICs were surgically implanted into the femora of weaned Wistar rats for 4 weeks. To assess the percentage osseointegration the perimeter of the implant and the perimeter of bone in contact with the implant were measured using a pointer (the length of bone/implant interfacial contact). Osteoconduction was determined by taking six points at random around the perimeter of each ionomeric rod measuring the thickness of newly formed bone. The degree of osteoconduction was taken as the average thickness of new bone produced on the implant surface. It was found that osteoconduction was greatest in the strontium based IC implant LG125. From these studies it can be concluded that the composition LG125 might provide a useful purpose as a bone cement.
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Journal of Materials Science: Materials in Medicine
Volume 13, Issue 4 , pp 375-379
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- Kluwer Academic Publishers
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- Author Affiliations
- 1. Centro de Investigación en Quimica Aplicada (CIQA), Saltillo, Coah, México
- 2. Centro de Investigación y de Estudios Avanzados del IPN, Unidad Saltillo, Saltillo, Coahuila, México
- 3. Department of Materials, Imperial College, University of London, England, UK
- 4. Department of Oral and Maxillofacial Surgery, University of Sheffield, England, UK