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Title

Bone loss at implant with titanium abutments coated by soda lime glass containing silver nanoparticles: A histological study in the dog

AuthorsMartínez, Arturo CSIC ORCID; Guitián, Francisco; López-Píriz, Roberto; Bartolomé, Jose F. CSIC ORCID; Cabal, Belén CSIC ORCID ; Esteban-Tejeda, Leticia CSIC; Torrecillas, Ramón CSIC ORCID CVN; Moya, J. S. CSIC
Issue Date2014
PublisherPublic Library of Science
CitationPLoS ONE 9(1): e86926 (2014)
AbstractThe aim of the present study was to evaluate bone loss at implants connected to abutments coated with a soda-lime glass containing silver nanoparticles, subjected to experimental peri-implantitis. Also the aging and erosion of the coating in mouth was studied. Five beagle dogs were used in the experiments. Three implants were placed in each mandible quadrant: in 2 of them, Glass/n-Ag coated abutments were connected to implant platform, 1 was covered with a Ti-mechanized abutment. Experimental peri-implantitis was induced in all implants after the submarginal placement of cotton ligatures, and three months after animals were euthanatized. Thickness and morphology of coating was studied in abutment cross-sections by SEM. Histology and histo-morphometric studies were carried on in undecalfied ground slides. After the induced peri-implantitis: 1.The abutment coating shown losing of thickness and cracking. 2. The histometry showed a significant less bone loss in the implants with glass/n-Ag coated abutments. A more symmetric cone of bone resorption was observed in the coated group. There were no significant differences in the peri-implantitis histological characteristics between both groups of implants. Within the limits of this in-vivo study, it could be affirmed that abutments coated with biocide soda-lime-glass-silver nanoparticles can reduce bone loss in experimental peri-implantitis. This achievement makes this coating a suggestive material to control peri-implantitis development and progression. © 2014 Martinez et al.
DescriptionThis is an open-access article distributed under the terms of the Creative Commons Attribution License.
Publisher version (URL)http://dx.doi.org/10.1371/journal.pone.0086926
URIhttp://hdl.handle.net/10261/98778
DOI10.1371/journal.pone.0086926
Identifiersdoi: 10.1371/journal.pone.0086926
issn: 1932-6203
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