A proposal for the classification of dental alloys according to their resistance to corrosion

Manaranche, C.; Hornberger, H.

doi:10.1016/j.dental.2006.11.030

Cited by 71 publications

(68 citation statements)

References 6 publications

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“…As a result from corrosion and wear processes, metallic ions are released, and wear particles originating from titanium were found in the surrounding tissues and associated to inflammatory reactions [106,[108][109][110][111]. Different tribocorrosion mechanisms can take place during rubbing between a ductile metal (e.g., titanium) and a hard inert counter-body (alumina), as shown in Fig.…”

Section: Simultaneous Degradation Of Titanium By Corrosion and Wear Imentioning

confidence: 99%

“…In the case of medical implants and prostheses, wear debris and ions release produced due to the loss of material by bio-tribocorrosion of prosthetic surfaces have been related to tissue inflammatory reactions [108][109][110][111]114]. Additionally, some studies revealed a highly significant relationship between the amount of peri-implant inflammation and the magnitude of alveolar bone loss surrounding implants [110,111] that can be faster than that surrounding natural tooth due to the absence of inflammatory cellular response provided from periodontal ligament [41].…”

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

“…Literature data have revealed the release of Al-and V-ions caused by passive film dissolution, though those alloying elements confer good mechanical properties to Ti-alloys. A corrosion of metallic materials has been classified in three classes based on the ion release [109]: (Class I) 10 lg/cm 2 week or less; (Class II) 10-100 lg/cm 2 week or less; (Class III) 100-1000 lg/cm 2 week. Based on Manaranche and Hornberger's [109] study, alloys of class III could stimulate an adverse biological response in patients due the high release of ions.…”

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

“…A corrosion of metallic materials has been classified in three classes based on the ion release [109]: (Class I) 10 lg/cm 2 week or less; (Class II) 10-100 lg/cm 2 week or less; (Class III) 100-1000 lg/cm 2 week. Based on Manaranche and Hornberger's [109] study, alloys of class III could stimulate an adverse biological response in patients due the high release of ions. In that respect, CP titanium and Ti6Al4V alloy could induce adverse biological reactions when in contact with high fluoride concentrations [10,108,109].…”

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

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Wear and Corrosion Interactions on Titanium in Oral Environment: Literature Review

et al. 2015

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The oral cavity is a complex environment where corrosive substances from dietary, human saliva, and oral biofilms may accumulate in retentive areas of dental implant systems and prostheses promoting corrosion at their surfaces. Additionally, during mastication, micromovements may occur between prosthetic joints causing a relative motion between contacting surfaces, leading to wear. Both processes (wear and corrosion) result in a biotribocorrosion system once that occurs in contact with biological tissues and fluids. This review paper is focused on the aspects related to the corrosion and wear behavior of titanium-based structures in the oral environment. Furthermore, the clinical relevance of the oral environment is focused on the harmful effect that acidic substances and biofilms, formed in human saliva, may have on titanium surfaces. In fact, a progressive degradation of titanium by wear and corrosion (tribocorrosion) mechanisms can take place affecting the performance of titanium-based implant and prostheses. Also, the formation of wear debris and metallic ions due to the tribocorrosion phenomena can become toxic for human tissues. This review gathers knowledge from areas like materials sciences, microbiology, and dentistry contributing to a better understanding of bio-tribocorrosion processes in the oral environment.

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Section: Simultaneous Degradation Of Titanium By Corrosion and Wear Imentioning

confidence: 99%

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

Section: Interaction Of Wear Debris With Surrounding Tissuesmentioning

confidence: 99%

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Wear and Corrosion Interactions on Titanium in Oral Environment: Literature Review

et al. 2015

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“…Mechanical properties of alloys used in dental crown and bridges applications differ from those of porcelain devices [1][2][3]. The first materials have to be tough and rigid and the second one, on the contrary, because these properties make difficult the finishing steps as grinding and polishing.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical and corrosion behavior of two chromium dental alloys in artificial bioenvironments

Banu¹,

Juganaru²,

Marcu

2017

MATEC Web Conf.

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Abstract. The purpose of this study is to compare the corrosion and tarnish behavior of NiCrMo and CoCrMo cast dental alloys in artificial bio environments. The cobalt chromium alloys are known and used in dentistry for many years, but its difficult machinability because of the strength and hardness, is an argument for scientists to study alternative materials with comparable biocompatibility. On the other hand, for dentistry devices beside corrosion behavior is important the aesthetic so, the used alloys have to preserve their shining and do not stain. The corrosion resistance has been evaluated using the Atomic mass spectroscopy method for ion release determination, the anodic polarization curves and the open circuit potential -time monitoring for corrosion behavior evaluation and optical microscopy for the structure analysis. The tarnish tendency of alloys was estimated using the method of cyclic immersion with frequency of 10 seconds for each minute during 72 hours in Na2S containing solution. The most important conclusion is that the alloys are comparable from corrosion and tarnish point of view, but we recommend to use the nickel base alloy only for orthodontic devices implanted for short periods of time, because of higher quantity of released ions.

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Chemical, electrochemical, and surface studies of Rosa damascene extract as a green corrosion inhibitor for carbon steel in sulfuric acid environment

Elabbasy,

Elnagar,

Fouda

2024

J Chinese Chemical Soc

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To develop an environmentally acceptable corrosion inhibitor Rosa damascene extract (RD) served as the main ingredient in H2SO4 pickling processes. X‐ray photoelectron spectroscopy (XPS), Fourier‐transform infrared spectroscopy (FT‐IR), technique of electrochemical impedance spectroscopy (EIS), polarization (PP) curves, and tests of weight loss (WL) have all been utilized to examine the inhibitory behavior of Rosa damascene on C‐steel corrosion in 1 M H2SO4 environment. The results show that the extract effectively inhibited the Zn′ corrosion in 1 M H2SO4. The inhibition was more effective at higher concentrations and temperatures. The inhibitory efficiency increased to 93.5% at a higher applied temperature (45°C) and higher Rosa damascene concentration (300 ppm). However, utilizing the weight loss method at potassium iodide addition, the inhibitory effectiveness of 300 ppm of Rosa damascene was synergistically increased from 75.0% to 96.1% at 25°C. Temkin isotherm was congruent with the adsorption process that produced the inhibitory impact on the C‐steel. The chemical adhesion of the Rosa damascene extract to the surface of the C‐steel was determined by the free energy of adsorption (ΔGoads = 40.5 kJ/mol.). In H2SO4 solution, corrosion of C‐steel may be prevented by the powerful inhibitor Rosa damascene extract.

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A proposal for the classification of dental alloys according to their resistance to corrosion

Cited by 71 publications

References 6 publications

Wear and Corrosion Interactions on Titanium in Oral Environment: Literature Review

Wear and Corrosion Interactions on Titanium in Oral Environment: Literature Review

Electrochemical and corrosion behavior of two chromium dental alloys in artificial bioenvironments

Chemical, electrochemical, and surface studies of Rosa damascene extract as a green corrosion inhibitor for carbon steel in sulfuric acid environment

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