Influence of the Commercial Mouthwashes on the Corrosion Behaviour of Dental Alloy

Pupim, Denise; Peixoto, Raniel Fernandes; Macedo, Ana Paula; Palma‐Dibb, Regina Guenka; Mattos, Maria da Glória Chiarello de; Galo, Rodrigo

doi:10.1590/1980-5373-mr-2021-0385

Cited by 5 publications

(7 citation statements)

References 24 publications

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“…CoCrMo alloys have been widely used in dentistry for many years for partial dentures, replacing gold alloys [22][23][24][34][35][36][37][38][39]. During prosthetic and clinical treatment, one of the most important aspects is the precision of the reconstruction.…”

Section: Scanning Kelvin Probe Study Of the Cocrmo Alloy Surfacementioning

confidence: 99%

“…Clinical studies show that the proper reconstruction of the tooth crown guarantees durability and prevents the infiltration of bacteria into the tissues [34]. Research shows that, in CoCrMo alloys, metal ions constituting the alloy components are released into the body to a small extent, even in an acidic environment [35][36][37][38]. CoCrMo alloys, particularly those used in partial dentures, are resistant to abrasion and temperature changes under artificial aging conditions, which proves that the alloy is resistant to repeated insertions and the removal of dentures [39].…”

Section: Scanning Kelvin Probe Study Of the Cocrmo Alloy Surfacementioning

confidence: 99%

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Effect of Artificial Saliva Modification on the Corrosion Resistance and Electronic Properties of Bego Wirobond® C Dental Alloys

Łosiewicz,

Osak,

Kubisztal

et al. 2023

Applied Sciences

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Wirobond® C is a commercial dental casting alloy suitable for the fabrication of crowns, bridges, and metal ceramic restorations. This study aims to investigate the effect of ready-to-use Listerine® and Meridol® mouthwashes and sodium fluoride on the resistance of CoCrMo dental alloys to electrochemical corrosion in artificial saliva at 37 °C. SEM, EDS, SKP, and microhardness investigations were carried out to characterize the material under study. The in vitro corrosion resistance of the CoCrMo alloy was conducted using the open-circuit potential method, electrochemical impedance spectroscopy, and anodic polarization curves. The presence of Co 59.8(8) wt.%, Cr 31.5(4) wt.%, and Mo 8.8(6) wt.% was confirmed. The CoCrMo alloy was characterized by a Vickers microhardness value of 445(31) µHV0.3. Based on the EIS data, the capacitive behavior and high corrosion resistance of the CoCrMo alloy were revealed. The kinetics of pitting corrosion in the artificial saliva were lower after being modified with NaF, Listerine®, and Meridol® mouthwashes. The potentiodynamic characteristics revealed the passive behavior of the CoCrMo alloy in all solutions. Based on the SKP measurements of the CoCrMo alloy after corrosion tests, the effect of artificial saliva modification on the electronic properties of Bego Wirobond® C dental alloy was found.

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Section: Scanning Kelvin Probe Study Of the Cocrmo Alloy Surfacementioning

confidence: 99%

Section: Scanning Kelvin Probe Study Of the Cocrmo Alloy Surfacementioning

confidence: 99%

Effect of Artificial Saliva Modification on the Corrosion Resistance and Electronic Properties of Bego Wirobond® C Dental Alloys

Łosiewicz,

Osak,

Kubisztal

et al. 2023

Applied Sciences

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“…Chlorhexidine may increase corrosion of orthodontic implants [ 143 ], although a similar effect for brackets was not observed [ 139 ]. Ethanol-containing mouthwashes are supposed to be the most aggressive to dental alloys due to increased galvanic corrosion [ 139 , 144 ].…”

Section: Factors Affecting the Risk Of Dental Alloys Side Effectsmentioning

confidence: 99%

“…Therefore, it can be assumed, that smoking and alcohol intake would aggravate any side effects associated with dental alloys. Moreover, considering the effect of ethanol-based oral rinses on dental alloys [ 139 , 144 ], we may suppose that alcohol may increase corrosion and galvanic processes in the oral cavity.…”

Section: Factors Affecting the Risk Of Dental Alloys Side Effectsmentioning

confidence: 99%

Minimization of Adverse Effects Associated with Dental Alloys

et al. 2022

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Metal alloys are one of the most popular materials used in current dental practice. In the oral cavity, metal structures are exposed to various mechanical and chemical factors. Consequently, metal ions are released into the oral fluid, which may negatively affect the surrounding tissues and even internal organs. Adverse effects associated with metallic oral appliances may have various local and systemic manifestations, such as mouth burning, potentially malignant oral lesions, and local or systemic hypersensitivity. However, clear diagnostic criteria and treatment guidelines for adverse effects associated with dental alloys have not been developed yet. The present comprehensive literature review aims (1) to summarize the current information related to possible side effects of metallic oral appliances; (2) to analyze the risk factors aggravating the negative effects of dental alloys; and (3) to develop recommendations for diagnosis, management, and prevention of pathological conditions associated with metallic oral appliances.

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“…It has been shown that fluoride-containing products may increase galvanic corrosion of dental alloys [17][18][19][20]. Several experimental studies demonstrated the negative effects of ethanol-based mouth rinses [18,21], Listerine [22,23], and chlorhexidine [24]. It has been shown that alcohol-containing mouthwashes lead to an increased tendency to corrosion in the case of CoCr alloys [21].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Commercially Available Dry Mouth Products on the Corrosion Resistance of Common Dental Alloys

et al. 2023

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Dental implants are thought to be implanted for life, but throughout their lifespan, they function in aggressive oral environment, resulting in corrosion of the material itself as well as possible inflammation of adjacent tissues. Therefore, materials and oral products for people with metallic intraoral appliances must be chosen carefully. The purpose of this study was to investigate the corrosion behavior of common titanium and cobalt–chromium alloys in interaction with various dry mouth products using electrochemical impedance spectroscopy (EIS). The study showed that different dry mouth products lead to different open circuit potentials, corrosion voltages, and currents. The corrosion potentials of Ti64 and CoCr ranged from −0.3 to 0 V and −0.67 to 0.7 V, respectively. In contrast to titanium, pitting corrosion was observed for the cobalt–chromium alloy, leading to the release of Co and Cr ions. Based on the results, it can be argued that the commercially available dry mouth remedies are more favorable for dental alloys in terms of corrosion compared to Fusayama Meyer’s artificial saliva. Thus, to prevent undesirable interactions, the individual characteristics of not only the composition of each patient’s tooth and jaw structure, but also the materials already used in their oral cavity and oral hygiene products, must be taken into account.

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Influence of the Commercial Mouthwashes on the Corrosion Behaviour of Dental Alloy

Cited by 5 publications

References 24 publications

Effect of Artificial Saliva Modification on the Corrosion Resistance and Electronic Properties of Bego Wirobond® C Dental Alloys

Effect of Artificial Saliva Modification on the Corrosion Resistance and Electronic Properties of Bego Wirobond® C Dental Alloys

Minimization of Adverse Effects Associated with Dental Alloys

The Impact of Commercially Available Dry Mouth Products on the Corrosion Resistance of Common Dental Alloys

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