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

The 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 exper...

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Bibliographic Details
Published in:PloS one 2014-01, Vol.9 (1), p.e86926
Main Authors: Martinez, Arturo, Guitián, Francisco, López-Píriz, Roberto, Bartolomé, José F, Cabal, Belén, Esteban-Tejeda, Leticia, Torrecillas, Ramón, Moya, José S
Format: Article
Language:English
Subjects:
Abutments
Aging
Alveolar Bone Loss - etiology
Alveolar Bone Loss - pathology
Animal experimentation
Animals
Antibiotics
Biocides
Biofilms
Biology
Bone implants
Bone loss
Bone resorption
Calcium Compounds
Coating
Cotton
Dental Abutments
Dental Implants - adverse effects
Dogs
Glass
Histology
Hypotheses
Lime
Mandible
Materials Science
Medicine
Metal Nanoparticles - adverse effects
Metal Nanoparticles - chemistry
Microscopy
Nanomaterials
Nanoparticles
Nanotechnology
Oxides
Peri-Implantitis - physiopathology
Silver
Soda-lime glass
Surgical implants
Titanium
Transplants & implants
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Summary:The 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.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0086926