Cosmin M. Cotrut
Politehnica University of Bucharest
Simulated body fluidSurface modificationCeramicWettingNuclear chemistryComposite materialNanotechnologyMetallurgyMaterials scienceCorrosionScanning electron microscopeBiocompatibilityAlloyCoatingSubstrate (electronics)Chemical engineeringTitaniumElectrochemistryDopingSputter depositionAdhesionMicrostructureTitanium alloy
55Publications
13H-index
412Citations
Publications 58
Newest
The fabrication of fixed dental prostheses using aesthetic materials has become routine in today’s dentistry. In the present study, three-unit full zirconia fixed prosthetic restorations obtained by computer-aided design/computer-aided manufacturing (CAD/CAM) technology were tested by bending trials. The prostheses were intended to replace the first mandibular left molar and were manufactured from four different types of zirconia bioceramics (KatanaTM Zirconia HTML and KatanaTM Zirconia STML/Kur...
Source
#1Farah Bechir (University of Medicine, Pharmacy, Science and Technology of Târgu Mureș)H-Index: 4
#2Simona Bataga (University of Medicine, Pharmacy, Science and Technology of Târgu Mureș)H-Index: 6
Last. Cosmin M. Cotrut (Politehnica University of Bucharest)H-Index: 13
view all 0 authors...
Cobalt-chromium (Co-Cr) alloys are widely utilized in dentistry. The salivary pH is a significant factor, which affects the characteristics and the behavior of dental alloys through corrosion. This study aimed to evaluate the corrosion behavior in artificial saliva with different pH values (3, 5.7, and 7.6) of two commercial Co-Cr dental alloys manufactured by casting and by milling. Corrosion resistance was determined by the polarization resistance technique, and the tests were carried out at 3...
Source
Last. Anton D. TeresovH-Index: 9
view all 13 authors...
Source
#1Alina VladescuH-Index: 26
#2Cosmin M. Cotrut (Politehnica University of Bucharest)H-Index: 13
Last. Diana M. Vranceanu (Politehnica University of Bucharest)H-Index: 6
view all 5 authors...
The aim of the present paper is to demonstrate the influence of Ag addition on in vitro bioactivity and degradation properties of sputtered hydroxyapatite in three acellular media: simulated body fluid (SBF), Dulbecco's Modified Eagle's medium (DMEM) and phosphate buffer solution (PBS). The immersion tests were performed at 37°±0.5°C during a period ranged from 1 to 21 days. The coatings were achieved by a RF-magnetron sputtering method using two cathodes manufactured of hydroxyapatite and one m...
#1Raluca SomoghiH-Index: 14
#2Violeta PurcarH-Index: 14
Last. H. StroescuH-Index: 10
view all 8 authors...
Nanosized zinc oxide (ZnO) particles modified with different silane coupling agents (octyltriethoxysilane (OTES), octadecyltriethoxysilane (ODTES) and (3-glycidyloxypropyl)trimethoxysilane (GPTMS)) were synthesized in basic catalysis using the sol-gel method. The structure and morphology were characterized by dynamic light scattering (DLS), environmental scanning electron microscopy (ESEM) and Fourier transform infrared spectroscopy (FTIR) for bonding characteristics. The final hybrid materials ...
Source
#1Cosmin M. Cotrut (Politehnica University of Bucharest)H-Index: 13
#2Ionut Cornel Ionescu (Politehnica University of Bucharest)H-Index: 2
Last. Diana M. Vranceanu (Politehnica University of Bucharest)H-Index: 6
view all 7 authors...
Abstract The aim of the paper was to evaluate the influence of different morphologies obtained by mechanical (metallographically prepared – M group and airborne-particle abrasion – S group) and chemical (anodic oxidation – A group) surface modification techniques applied on pure titanium (cp-Ti, grade 2) in terms of biomineralization ability through in vitro bioactivity assays and corrosion behavior. The study has highlighted that M and A group presented an average roughness (Ra) under 200 nm an...
Source
#2Corneliu MunteanuH-Index: 8
Last. Cosmin M. CotrutH-Index: 13
view all 6 authors...
Source
#1Caroline Adela Ingrid Fischer (Titu Maiorescu University)H-Index: 2
#2Doina Lucia Ghergic (Titu Maiorescu University)H-Index: 4
Last. Cosmin M. Cotrut (Politehnica University of Bucharest)H-Index: 13
view all 7 authors...
The present study assessed the retention forces corresponding to different telescopic systems used in removable prosthetic dentures. The telescopic systems were represented by Co-Cr alloy or zirconia-based primary crowns and Co-Cr secondary crowns. All crowns were manufactured using computer-aided design/computer-aided manufacturing technology (CAD/CAM). Two types of reference abutment teeth (upper canine and first upper molar) were selected in order to obtain the telescopic crowns and two taper...
Source
#1Iulian Vasile Antoniac (Politehnica University of Bucharest)H-Index: 17
#2Mihaela FilipescuH-Index: 11
Last. Julietta V. RauH-Index: 26
view all 12 authors...
Source
#1Diana M. VranceanuH-Index: 6
Last. Cosmin M. CotrutH-Index: 13
view all 6 authors...
The aim of this study was to adapt the electrochemical behavior in synthetic body fluid (SBF) of hydroxyapatite-based coatings obtained by pulsed galvanostatic electrochemical deposition through addition of Mg in different concentrations. The coatings were obtained by electrochemical deposition in a typical three electrodes electrochemical cell in galvanic pulsed mode. The electrolyte was obtained by subsequently dissolving Ca(NO3)2·4H2O, NH4H2PO4, and Mg(NO3)2·6H2O in ultra-pure water and the p...
Source
This website uses cookies.
We use cookies to improve your online experience. By continuing to use our website we assume you agree to the placement of these cookies.
To learn more, you can find in our Privacy Policy.