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Measurement and evaluation of galvanic corrosion between titanium/Ti6Al4V implants and dental alloys by electrochemical techniques and auger spectrometry

Identifieur interne : 000354 ( France/Analysis ); précédent : 000353; suivant : 000355

Measurement and evaluation of galvanic corrosion between titanium/Ti6Al4V implants and dental alloys by electrochemical techniques and auger spectrometry

Auteurs : Brigitte Grosgogeat [France] ; Lucien Reclaru [Suisse] ; Michele Lissac [France] ; Francis Dalard [France]

Source :

RBID : ISTEX:0C7FD3DBAF97C728E26E1BC50CBB46C140EC2009

Descripteurs français

English descriptors

Abstract

Abstract: The purpose of this study was to investigate, in different experimental conditions, the galvanic corrosion phenomena which can exist between a dental suprastructure and a dental implant. The electrochemical behavior of 7 alloy superstructures with titanium and titanium alloy (Ti6Al4V) implants was investigated by electrochemical means in Fusayama–Meyer de-aerated saliva and Carter–Brugirard (AFNOR) non de-aerated saliva. Different techniques were used to obtain the value of the galvanic coupling current and potential for each couple. All showed very low corrosion rates, ranging from 10-6 to 10-8A. Surface analysis confirmed these results.

Url:
DOI: 10.1016/S0142-9612(98)00248-8


Affiliations:


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ISTEX:0C7FD3DBAF97C728E26E1BC50CBB46C140EC2009

Le document en format XML

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<term>American society</term>
<term>Anode surface</term>
<term>Anodic</term>
<term>Anodic control</term>
<term>Anodic polarization</term>
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<term>Auger spectrometry</term>
<term>Biomaterials</term>
<term>Biomed mater</term>
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<term>Corrosion process</term>
<term>Corrosion test</term>
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<term>Erosion time</term>
<term>Evans diagrams</term>
<term>Experimental conditions</term>
<term>French association</term>
<term>Fusayama saliva</term>
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<term>Galvanic corrosion process</term>
<term>Galvanic couple</term>
<term>Galvanic currents</term>
<term>Grosgogeat</term>
<term>Immersion</term>
<term>Implant</term>
<term>Implant alloys</term>
<term>Implant materials</term>
<term>Laboratory studies</term>
<term>Open circuit</term>
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<term>Osseointegrated titanium implants</term>
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<term>Oxidized</term>
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<term>Oxygen content</term>
<term>Passivated surface</term>
<term>Passivation</term>
<term>Passivation techniques</term>
<term>Polarization curves</term>
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<term>Same electrolyte</term>
<term>Scan rate</term>
<term>Scanning electron microscopy</term>
<term>Silver chloride</term>
<term>Sulfuric acid</term>
<term>Surface pollution</term>
<term>Surface preparation</term>
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<term>Anodic polarization</term>
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<term>Auger spectrometry</term>
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<term>Biomed mater</term>
<term>Breakdown event</term>
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<term>Corrosion behaviour</term>
<term>Corrosion process</term>
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<term>Electrochemical techniques</term>
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<term>Implant alloys</term>
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<term>Passivation techniques</term>
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<term>Sulfuric acid</term>
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<div type="abstract" xml:lang="en">Abstract: The purpose of this study was to investigate, in different experimental conditions, the galvanic corrosion phenomena which can exist between a dental suprastructure and a dental implant. The electrochemical behavior of 7 alloy superstructures with titanium and titanium alloy (Ti6Al4V) implants was investigated by electrochemical means in Fusayama–Meyer de-aerated saliva and Carter–Brugirard (AFNOR) non de-aerated saliva. Different techniques were used to obtain the value of the galvanic coupling current and potential for each couple. All showed very low corrosion rates, ranging from 10-6 to 10-8A. Surface analysis confirmed these results.</div>
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