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Evaluation of titanium plasma-sprayed and plasma-sprayed hydroxyapatite implants in vivo

Paper ID Volume ID Publish Year Pages File Format Full-Text
13386 853 2004 6 PDF Available
Title
Evaluation of titanium plasma-sprayed and plasma-sprayed hydroxyapatite implants in vivo
Abstract

In this study, bone interfacial strength and bone contact length at the plasma-sprayed hydroxyapatite (HA) and titanium plasma-sprayed (TPS) implants were evaluated in vivo. Non-coated titanium (Ti) implants were used as controls. Cylindrical coated or non-coated implants (4.0 mm diameter by 8 mm long) were implanted in the dogs’ mandibles. Loading of the implants was performed at 12 weeks after implantation. At 12 weeks after implantation (prior to loading) and 1 year after loading, implants were evaluated for interfacial bone–implant strength and bone–implant contact length. No significant differences in interfacial bone–implant strength for all groups at 12 weeks after implantation and after 1 year loading in normal bone were found. However, bone contact length for HA implants was significantly higher than the TPS and Ti implants for both periods tested (12 weeks after implantation and 1 year after loading). It was concluded that TPS implants exhibited similar pull-out strength compared to the HA implants. In addition, the lower bone contact length on the TPS surface compared to HA surfaces did not affect the interfacial bone–implant strength for both implants.

Keywords
Plasma-sprayed coatings; Titanium; Animal model; Pull-out strength; Histology
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Evaluation of titanium plasma-sprayed and plasma-sprayed hydroxyapatite implants in vivo
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 25, Issue 19, August 2004, Pages 4601–4606
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