Improved bone ingrowth and fixation with a thin calcium phosphate coating intended for complete resorption

Bonit® is claimed to be a resorbable electrochemically deposited calcium phosphate coating consisting mainly of brushite, which is a hydroxyapatite precursor. This study involved a comparison of Ti6Al4V screw‐shaped implants with and without a 15 ± 5 μm Bonit coating in rabbit tibia and femur, after...

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Published in:Journal of biomedical materials research. Part B, Applied biomaterials Applied biomaterials, 2007-10, Vol.83B (1), p.9-15
Main Authors: Reigstad, O., Franke-Stenport, V., Johansson, C. B., Wennerberg, A., Røkkum, M., Reigstad, A.
Format: Article
Language:English
Subjects:
Animals
Calcium phosphate
Calcium Phosphates - chemistry
Calcium Phosphates - metabolism
Coated Materials, Biocompatible - chemistry
Coated Materials, Biocompatible - metabolism
coating
Dentistry
Durapatite - chemistry
Durapatite - metabolism
Female
Femur - metabolism
histomorphometry
Implants, Experimental
Kirurgi
Kirurgisk forskning
Materials Testing
MEDICIN
MEDICINE
Odontologi
Osseointegration
Rabbits
removal torque
Stress, Mechanical
Surface Properties
Surgery
Surgical research
Tibia - metabolism
Titanium - metabolism
titanium alloy
Transplantation surgery
Transplantationskirurgi
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cited_by cdi_FETCH-LOGICAL-c5402-6915413c06b8de64a01a76b6092753b8169a78cb6e055455c37c0c306a79783a3
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container_issue 1
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container_title Journal of biomedical materials research. Part B, Applied biomaterials
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creator Reigstad, O.
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Wennerberg, A.
Røkkum, M.
Reigstad, A.
description Bonit® is claimed to be a resorbable electrochemically deposited calcium phosphate coating consisting mainly of brushite, which is a hydroxyapatite precursor. This study involved a comparison of Ti6Al4V screw‐shaped implants with and without a 15 ± 5 μm Bonit coating in rabbit tibia and femur, after 6 and 12 weeks of insertion. The biomechanical removal torque test showed significantly increased values for the coated implants after 12 weeks (p < 0.05) but not after 6 weeks of integration. Higher bone‐implant contact was found for the coated implants in the tibia after 6 weeks and for both tibial and femoral screws after 12 weeks (p < 0.05). There was no difference in the inflammatory reaction around the implants, and possible grains of the coating could be detected after 6 weeks, but not after 12 weeks of follow‐up. This unloaded short‐term study has shown promising results for the easily applicable and resorbable coat (Bonit) compared to uncoated titanium‐alloy implants. © 2007 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2007
doi_str_mv 10.1002/jbm.b.30762
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There was no difference in the inflammatory reaction around the implants, and possible grains of the coating could be detected after 6 weeks, but not after 12 weeks of follow‐up. This unloaded short‐term study has shown promising results for the easily applicable and resorbable coat (Bonit) compared to uncoated titanium‐alloy implants. © 2007 Wiley Periodicals, Inc. 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subjects Animals
Calcium phosphate
Calcium Phosphates - chemistry
Calcium Phosphates - metabolism
Coated Materials, Biocompatible - chemistry
Coated Materials, Biocompatible - metabolism
coating
Dentistry
Durapatite - chemistry
Durapatite - metabolism
Female
Femur - metabolism
histomorphometry
Implants, Experimental
Kirurgi
Kirurgisk forskning
Materials Testing
MEDICIN
MEDICINE
Odontologi
Osseointegration
Rabbits
removal torque
Stress, Mechanical
Surface Properties
Surgery
Surgical research
Tibia - metabolism
Titanium - metabolism
titanium alloy
Transplantation surgery
Transplantationskirurgi
title Improved bone ingrowth and fixation with a thin calcium phosphate coating intended for complete resorption
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