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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Svanborg, L. M. Hoffman, M. Andersson, M. Currie, F. Kjellin, P. Wennerberg, A. |
Description | Country affiliation: Sweden Author Affiliation: Svanborg LM ( Department of Prosthodontics, Faculty of Odontology, Malmö University, Sweden. lory.svanborg@mah.se) |
Abstract | The knowledge of how nanostructures might affect early bone healing and osseointegration is limited. The aim of this study was to investigate if nanometer thick coatings of hydroxyapatite nanocrystals applied on a moderately rough surface might enhance early bone healing on screw-shaped dental implants and to evaluate if the thickness of the coat influences healing. Sandblasted and acid etched titanium implants coated with two different thicknesses of hydroxyapatite (test implants) and sandblasted and acid etched titanium implants (control implants), were inserted in rabbit tibia. After a healing time of 2, 4 and 9 weeks, a removal torque analysis and a histological evaluation were performed. The results from the removal torque analysis showed a tendency for higher values for the double coated hydroxyapatite after 4 weeks and for both the coated surfaces after 9 weeks of healing. The histological evaluations indicated slightly more new bone formation with the coated implants compared with the control; the differences did not reach statistical significance. The present study could not support the importance of nanometer thick coatings of hydroxyapatite nanocrystals in early bone healing, at least not when applied on a blasted and etched surface and placed in a cortical bone. |
File Format | HTM / HTML |
ISSN | 09015027 |
Issue Number | 3 |
Volume Number | 40 |
e-ISSN | 13990020 |
Journal | International Journal of Oral and Maxillofacial Surgery |
Language | English |
Publisher | Elsevier |
Publisher Date | 2011-03-01 |
Publisher Place | Denmark |
Access Restriction | Subscribed |
Subject Keyword | Discipline Dentistry Coated Materials, Biocompatible Chemistry Dental Implants Dental Prosthesis Design Durapatite Nanoparticles Osteogenesis Physiology Acid Etching, Dental Animals Dental Etching Dental Materials Materials Testing Microscopy, Electron, Scanning Models, Animal Osseointegration Photoelectron Spectroscopy Rabbits Surface Properties Tibia Pathology Surgery Time Factors Titanium Torque Comparative Study Journal Article Research Support, Non-u.s. Gov't |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Musculoskeletal System Eukaryota Inorganic Chemicals Biomedical and Dental Materials Diagnosis Investigative Techniques Dentistry Physical Phenomena Chemical Phenomena Physiological Phenomena Musculoskeletal and Neural Physiological Phenomena Technology, Industry, and Agriculture |
Subject | Oral Surgery Otorhinolaryngology Surgery |
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