Docteur FRANCOIS PELLET

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Top publications · les plus citées

• 1

  Human leucocyte antigen risk alleles for psoriatic arthritis among patients with psoriasis

  Annals of the rheumatic diseases · 2012

  📚 122 citations🎯 RCR 3.98Top 11% NIH
• 2

  Influence of surface treatments developed for oral implants on the physical and biological properties of titanium. (I) Surface characterization

  Clinical oral implants research · 1997

  📚 81 citations🎯 RCR 4.05Top 11% NIH

  Lire l'abstract Crossref ↓

  We present an investigation of the physico‐chemical surface properties of commercially pure titanium coverslips which were submitted to various treatments designed to optimize their topography in view of application in oral implantology. The surface microroughness, chemical composition and water wettability were analyzed on titanium coverslips prepared by mechanical polishing, acid attack in HCl/HZSOI, after mechanical polishing or sandblasting, and titanium plasma‐spray. The chemical composition has been measured by Auger electron spectroscopy. The treatments have no major influence on the surface chemical composition and all the samples display a composition approaching that of TiOZ with minor amounts of carbon. sulfur, silicon and calcium as impurities. The roughness has been measured by scanning force microscopy on an area of 20 μm x 20 μm on each sample. Polished titanium is smooth (peak‐to‐valley roughness 81 nm). whereas the acid‐attacked surfaces exhibit a micro‐roughness in the pm range (2100 nm for polished and acid attacked; 3600 nm for sandblasted and acid attacked) which is quite reproducible over large areas of the sample. The acid attacked samples present a subsurface layer which contains hydrogen below the native passivating oxide layer. Water wettability measurement shows that all surfaces are hydrophobic with a slightly higher contact angle for the acid attacked surfaces. The different treatments analyzed in this study essentially influence the surface roughness by preserving the chemical composition and the wettability properties of titanium native oxide surface layer.

• 3

  Testosterone supplementation does not worsen lower urinary tract symptoms

  The Journal of urology · 2013

  📚 48 citations🎯 RCR 2.12Top 25% NIH

Publications scientifiques (12) — classées par pathologie

Source PubMed · Recherche par auteur (homonymes possibles, vérifier l'affiliation).

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