Establishment of perpendicular protrusion of type I collagen on TiO
Collagen
Implant surface
Nanotubes
Perpendicular orientation
Titanium
Journal
Journal of nanobiotechnology
ISSN: 1477-3155
Titre abrégé: J Nanobiotechnology
Pays: England
ID NLM: 101152208
Informations de publication
Date de publication:
01 Mar 2019
01 Mar 2019
Historique:
received:
01
10
2018
accepted:
13
02
2019
entrez:
3
3
2019
pubmed:
3
3
2019
medline:
2
10
2019
Statut:
epublish
Résumé
Natural teeth are supported by connective tissue collagen fibers that insert perpendicularly in the tooth cementum. Perpendicular insertion plays an important role in the maintenance of the junction between the oral epithelium and the periodontal connective tissue. Most titanium dental implant surfaces have no micro or macro structure to support perpendicularly oriented collagen attachment. Without this tight biologic seal to resist bacterial invasion and epithelial downgrowth, progressive bone loss in peri-implantitis is seen around dental implants. The purpose of this study was to establish the perpendicularly oriented collagen attachment to titanium oxide nanotube (TNT), and to assess its binding stability. TNT was prepared on the titanium-surface by anodization. Scanning electron microscopy (SEM) showed a regularly aligned TNT with an average 67 nm-diameter when anodized at 30 V for 3 h. Subsequently, collagen type I (CoI) was electrophoretically fused to anodic TNT in native polyacrylamide gel system where negatively charged CoI-C term was perpendicularly navigated to TNT. SEM and atomic force microscopy (AFM) were used to analyze CoI on the TiO
Identifiants
pubmed: 30823919
doi: 10.1186/s12951-019-0467-1
pii: 10.1186/s12951-019-0467-1
pmc: PMC6396481
doi:
Substances chimiques
Biocompatible Materials
0
Collagen Type I
0
Dental Implants
0
titanium dioxide
15FIX9V2JP
Titanium
D1JT611TNE
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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