Microbiologically induced intergranular corrosion of 316L stainless steel dental material in saliva

Eduok, Ubong

doi:10.1016/j.matchemphys.2023.128799

Cited by 4 publications

(4 citation statements)

References 29 publications

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“…Lipase B from Candida antarctica immobilized on microporous acrylic resin (CALB 5.000 U/g) was also used in the study alongside dimethyl sulfoxide (DMSO), dichloromethane, and chloroform as reagents. The bacterial strains in this study are similar to those previously reported in refs and and remained the strain of interest for all MIC culture tests.…”

Section: Methodssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

“…The activation and growth conditions for this bacterial strain, P. gingivalis ATCC 33277, have been previously reported − using BHI–S blood agar plates in anaerobic conditions. This study prepared a culture medium by quantitatively diluting the bacterial suspension with BHI–S to a 0.5 optical density at 600 nm (Agilent 8453 UV–visible spectrophotometer).…”

Section: Methodsmentioning

confidence: 99%

“…While a recent study has reported the degradation of dental zirconia by P. gingivalis, there are also in vitro studies on microbiologically induced corrosion (MIC) of stainless-steel orthodontic brackets, stainless-steel dental crowns, , titanium and magnesium dental appliances. When surfaces of these metallic implant materials corrode, their mechanical strengths weaken, leaching out constituent contents (as ions and particulates), and they subsequently fail. , Depending on their constituent chemistry and dosage, different corrosion products (e.g., oxides, nanoparticles, and ions) may contribute to some adverse health effects.…”

Section: Introductionmentioning

confidence: 99%

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Thiazolium-Bearing Chitosan Polymer Mitigates Microbiologically and Acid-Induced Corrosion on Stainless Steel Dental Crowns and Pipeline Steel in Saliva and Pickle Liquor

Eduok,

Ohaeri,

Szpunar

2024

ACS Appl. Eng. Mater.

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Microbiologically and chemically induced corrosion episodes degrade metal alloys, weaken their mechanical strengths, and lead to loss of constituent contents when these alloys interact with their surrounding environments. While metallic dental materials (e.g., stainless steel dental crowns) are highly susceptible to pitting corrosion induced by bacterial (e.g., Porphyromonas gingivalis) biofilms within the oral cavity, pipeline steels can also significantly corrode in their service environments (e.g., during surface pickling or product transportation). Due to toxicity concerns, using safe and environmentally sustainable corrosion inhibitors has become a protective strategy for most metal alloys in place of chromates. The present study introduces a cationic thiazolium-bearing chitosan (CTBC) derivative utilized as an antimicrobial and inhibitor against microbiologically and acid-induced corrosion of coarse-grained 316L stainless-steel dental material and fine-grained ×70 pipeline steel, respectively. Due to the thiazolium-bearing moiety, this water-soluble chitosan polymer, with its unique antimicrobial activity against P. gingivalis, an oral Gram-negative pathogenic anaerobe, demonstrated an impressive level of enhanced biocorrosion inhibition for stainless steel dental material in saliva. Importantly, this polymer also significantly protected against ×70 pipeline steel corrosion compared to normal chitosan in pickle liquor. This instills confidence and sparks optimism about its potential applications in protecting metal alloys. Lower magnitudes of corrosion current density (j corr ) were recorded for crown and pipeline materials in salivary culture and pickle liquor containing 100 ppm of CTBC relative to chitosan at equimolar concentration. A reverse trend was recorded for charge transfer resistance (R ct ); higher R ct values denote polymer adsorption on pipeline steel. Over 90% corrosion inhibition efficiency was recorded for stainless steel substrates exposed to the salivary test culture with growing bacterial cells and ×70 steel substrates in the pickle liquor with 500 ppm of CTBC.

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Section: Methodssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Thiazolium-Bearing Chitosan Polymer Mitigates Microbiologically and Acid-Induced Corrosion on Stainless Steel Dental Crowns and Pipeline Steel in Saliva and Pickle Liquor

Eduok,

Ohaeri,

Szpunar

2024

ACS Appl. Eng. Mater.

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Plasma Surface Treatment of CoCr and NiCr Alloys for Dental Applications: A Comparative Study of TiN Thin‐Film Plasma Deposition Techniques

Balica,

de Almeida,

Rossino

et al. 2024

steel research int.

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Cobalt–chromium (CoCr) and nickel–chromium (NiCr) alloys have been widely employed in dentistry as biomaterials, owing to their exceptional physical and mechanical properties, coupled with excellent biocompatibility and low cost. In this study, it is aimed to conduct a comparative analysis of titanium nitride (TiN) thin films synthesized via cathodic cage TiN deposition and hollow cathode (HC) TiN deposition techniques. Thin films are deposited onto CoCr and NiCr alloy substrates. The fabricated thin films are characterized using X‐ray diffraction, scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, atomic force microscopy, Vickers microhardness tests, and abrasive microwear tests. It is observed that the TiN films deposited on the alloys exhibit promising performance, resulting in a 94% increase in wear resistance across the samples. Additionally, an enhancement in microhardness is noted, particularly for the samples treated by HC deposition, which demonstrates superior wear resistance, a critical property for dental applications.

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Effect of organic carbon sources on the anodic corrosion of magnesium AZ31B by sulfate-reducing prokaryote

Li,

Zhang,

Krishnamurthy

et al. 2024

J. Cent. South Univ.

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Microbiologically induced intergranular corrosion of 316L stainless steel dental material in saliva

Cited by 4 publications

References 29 publications

Thiazolium-Bearing Chitosan Polymer Mitigates Microbiologically and Acid-Induced Corrosion on Stainless Steel Dental Crowns and Pipeline Steel in Saliva and Pickle Liquor

Thiazolium-Bearing Chitosan Polymer Mitigates Microbiologically and Acid-Induced Corrosion on Stainless Steel Dental Crowns and Pipeline Steel in Saliva and Pickle Liquor

Plasma Surface Treatment of CoCr and NiCr Alloys for Dental Applications: A Comparative Study of TiN Thin‐Film Plasma Deposition Techniques

Effect of organic carbon sources on the anodic corrosion of magnesium AZ31B by sulfate-reducing prokaryote

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