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The Effects of Ion Beam–Assisted Deposition of Hydroxyapatite on the Grit-blasted Surface of Endosseous Implants in Rabbit Tibiae

Authors
 Young-Seok Park  ;  Ki-Young Yi  ;  Young-Chul Jung  ;  Chong-Hyun Han  ;  In-Seop Lee 
Citation
 INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS, Vol.20(1) : 31-38, 2005 
Journal Title
INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS
ISSN
 0882-2786 
Issue Date
2005
MeSH
Animals ; Bone Density ; Coated Materials, Biocompatible* ; Dental Etching ; Dental Implantation, Endosseous ; Dental Implants* ; Device Removal ; Durapatite*/pharmacology ; Female ; Implants, Experimental* ; Ions ; Microradiography ; Osseointegration*/drug effects ; Rabbits ; Surface Properties ; Tibia ; Titanium ; Torque
Keywords
15747671
Abstract
PURPOSE: This study was undertaken to evaluate ion beam-assisted deposition (IBAD) of hydroxyapatite (HA) on the grit-blasted surface of endosseous dental implants 6 weeks postplacement.
MATERIALS AND METHODS: A total of 40 implants was placed in the tibiae of 10 New Zealand white rabbits. Twenty implants were grit-blasted only and the other 20 were grit-blasted and coated with HA by the IBAD method. After 6 weeks of healing, the rabbits were sacrificed and removal torque tests, histomorphometry, and morphometric analysis of microtomographic images were performed.
RESULTS: The HA-coated group showed significantly higher removal torque, bone-to-implant contact, and bone volume than the other group.
DISCUSSION AND CONCLUSION: In a previous study, the authors suggested that HA coating deposited on a machined surface by the IBAD method showed results comparable to or more favorable than the results obtained with a blasted surface. This study indicated that the HA coating produced by the IBAD method was also very effective on the aluminum oxide-blasted surface, as demonstrated by the early formation of osseointegration. Morphometric analysis by microtomography showed some promise in measuring the osseointegration rate. (More than 50 references.)
Full Text
http://www.quintpub.com/journals/omi/abstract.php?article_id=1626#.U7NKjaizIyo
DOI
OAK-2005-02120
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Han, Jong Hyoun(한종현)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/114791
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