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Translocation of autogenous bone particles to improve peri‐implant osteogenesis

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Translocation of autogenous bone particles to improve peri‐implant osteogenesis

Auteurs : Afsheen Tabassum [Pays-Bas] ; X. Frank Walboomers [Pays-Bas] ; Gert J. Meijer [Pays-Bas] ; John A. Jansen [Pays-Bas]

Source :

Journal of Tissue Engineering and Regenerative Medicine [ 1932-6254 ] ; 2012-07.

RBID : ISTEX:5CAB0EBA6913F408BF32916713027EB9A942C4FC

Descripteurs français

Wicri :
- topic : Droit d'auteur, Titane.

English descriptors

Abstract

During the placement of titanium implants into bone, particles are loosened and translocated as a result of the inherent roughness of the surface. Such bone particles have been shown to play a significant role in new bone formation. Therefore, the aim of the present study was to establish a new regenerative procedure, which can be implemented immediately during surgery, to provide implants with additional autogenous bone particles. Thereafter, we investigated the effect of such ‘bone‐coated’ implants on the healing response. In our model, dental screw‐type implants were placed in the iliac crests of goats, following three approaches: (a) implants were placed, then removed while retaining bone debris on the surface, and subsequently placed into freshly prepared holes; (b) new implants were installed in the donor sites from group 1; and (c) control implants were inserted according to the standard protocol. After 3 weeks, microcomputed tomography and histomorphometerical analyses on bone–implant contact (BIC) and bone area (BA) were performed. The results showed that the retained bone debris in group 1 was viable bone‐like tissue when cultured in vitro. In vivo histological results showed a significantly higher BIC for the ‘bone‐coated’ (43.42 ± 11.29%) compared to the control (28.15 ± 11.86%) implants. Also, adjacent to the implants a significantly higher BA was found for ‘bone‐coated’ implants (39.51 ± 11.17%) compared to the controls (31.92 ± 10.25%). Notably, no detrimental effects were noticed for the ‘donor‐site’ positions. In conclusion, the transported autogenous bone particles accelerated peri‐implant osteogenesis. Clinical studies are needed to evaluate the potential of this procedure in clinical practice. Copyright © 2011 John Wiley & Sons, Ltd.

Url:

https://api.istex.fr/document/5CAB0EBA6913F408BF32916713027EB9A942C4FC/fulltext/pdf

DOI: 10.1002/term.456

Affiliations:

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Le document en format XML

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<term>Autogenous bone particles</term>
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<term>Clin implant dent relat</term>
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<term>Clinical studies</term>
<term>Coat titanium implants</term>
<term>Control implants</term>
<term>Copyright</term>
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<term>Dental implants</term>
<term>Detrimental effects</term>
<term>Different approaches</term>
<term>Different implant parts</term>
<term>Different parts</term>
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<term>Present study</term>
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<term>Smooth middle parts</term>
<term>Sterile saline</term>
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<term>Surface roughness</term>
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<term>Tabassum</term>
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<term>Biomed mater</term>
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<term>Bone area</term>
<term>Bone cavities</term>
<term>Bone chips</term>
<term>Bone collectors</term>
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<term>Bone formation</term>
<term>Bone matrix</term>
<term>Bone particles</term>
<term>Bone quality</term>
<term>Bone trabeculae</term>
<term>Bone volume</term>
<term>Bone volume fraction</term>
<term>Brous tissue layer</term>
<term>Calcium phosphate</term>
<term>Cell number</term>
<term>Clin</term>
<term>Clin implant dent relat</term>
<term>Clinical practice</term>
<term>Clinical studies</term>
<term>Coat titanium implants</term>
<term>Control implants</term>
<term>Copyright</term>
<term>Cortical layer</term>
<term>Dental implants</term>
<term>Detrimental effects</term>
<term>Different approaches</term>
<term>Different implant parts</term>
<term>Different parts</term>
<term>Donor site</term>
<term>Drilling procedure</term>
<term>Endosseous implants</term>
<term>Experimental study</term>
<term>Growth factors</term>
<term>Healing response</term>
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<term>Histological examination</term>
<term>Histomorphometrical analyses</term>
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<term>Iliac crest</term>
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<term>Implant installation</term>
<term>Implant placement</term>
<term>Implant surface</term>
<term>Implant surface roughness</term>
<term>Implantation</term>
<term>Inorganic coatings</term>
<term>Insertion torque measurements</term>
<term>John wiley sons</term>
<term>Long axis</term>
<term>Middle zones</term>
<term>Osteogenesis</term>
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<term>Other side</term>
<term>Present study</term>
<term>Radboud university nijmegen</term>
<term>Regen</term>
<term>Scanning electron microscopy</term>
<term>Screw threads</term>
<term>Screw vents</term>
<term>Smooth middle part</term>
<term>Smooth middle parts</term>
<term>Sterile saline</term>
<term>Such implants</term>
<term>Surface roughness</term>
<term>Surface topography</term>
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<front><div type="abstract">During the placement of titanium implants into bone, particles are loosened and translocated as a result of the inherent roughness of the surface. Such bone particles have been shown to play a significant role in new bone formation. Therefore, the aim of the present study was to establish a new regenerative procedure, which can be implemented immediately during surgery, to provide implants with additional autogenous bone particles. Thereafter, we investigated the effect of such ‘bone‐coated’ implants on the healing response. In our model, dental screw‐type implants were placed in the iliac crests of goats, following three approaches: (a) implants were placed, then removed while retaining bone debris on the surface, and subsequently placed into freshly prepared holes; (b) new implants were installed in the donor sites from group 1; and (c) control implants were inserted according to the standard protocol. After 3 weeks, microcomputed tomography and histomorphometerical analyses on bone–implant contact (BIC) and bone area (BA) were performed. The results showed that the retained bone debris in group 1 was viable bone‐like tissue when cultured in vitro. In vivo histological results showed a significantly higher BIC for the ‘bone‐coated’ (43.42 ± 11.29%) compared to the control (28.15 ± 11.86%) implants. Also, adjacent to the implants a significantly higher BA was found for ‘bone‐coated’ implants (39.51 ± 11.17%) compared to the controls (31.92 ± 10.25%). Notably, no detrimental effects were noticed for the ‘donor‐site’ positions. In conclusion, the transported autogenous bone particles accelerated peri‐implant osteogenesis. Clinical studies are needed to evaluate the potential of this procedure in clinical practice. Copyright © 2011 John Wiley & Sons, Ltd.</div>
</front>
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Translocation of autogenous bone particles to improve peri‐implant osteogenesis

Translocation of autogenous bone particles to improve peri‐implant osteogenesis

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri