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Osteointegration of bioactive glass-coated zirconia in healthy bone: an in vivo evaluation

Paper ID Volume ID Publish Year Pages File Format Full-Text
13247 846 2002 9 PDF Available
Title
Osteointegration of bioactive glass-coated zirconia in healthy bone: an in vivo evaluation
Abstract

Osteointegration of yttria stabilised tetragonal zirconia (YSTZ), either coated with bioactive glass named RKKP bioglaze® (RKKP®) or uncoated, was evaluated in an animal model. RKKP®-coated and uncoated (controls) YSTZ cylinders were implanted in the distal femoral epiphyses of 14 Sprague Dawley rats under general anaesthesia. At the experimental times of 30 and 60 days after sacrifice, histomorphometry and SEM microanalysis were performed on methylmethacrylate-embedded undecalcified sections to determine the osteointegration rate. At 30 days, a significantly higher affinity index was demonstrated in vivo by histomorphometric evaluation in RKKP®-coated versus uncoated YSTZ implants (p<0.05); at 60 days, the coated implants behaved better than controls (affinity index of +32% ), but the difference observed lay within the statistical uncertainty.SEM analysis demonstrated better bone adhesion to the material in RKKP®-coated YSTZ at both 30 and 60 days. These findings suggest that YSTZ coated with the bioactive glass named RKKP® enhances osteointegration of ceramics.

Keywords
Bioactive glass; Zirconia; Ceramics; Osteointegration
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Osteointegration of bioactive glass-coated zirconia in healthy bone: an in vivo evaluation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 23, Issue 18, September 2002, Pages 3833–3841
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us