Análise Eletroquímica da influência da escovação na resistência a corrosão da liga de Ti CP

Marcelo Rodrigues Azenha; Rogério Bentes Kato; Darlan Rocha de Souza; Elker Silva de Oliveira; Elenilson Barbosa Dias; Patrícia Medeiros Ferreira; Gustavo da Col; Osvaldo Luiz Bezzon

doi:10.52600/2965-0968.bjcmr.2025.3.1.bjcmr6

Original research

Vol. 3 No. 1 (2025): January/December - 2025

Electrochemical Analysis of the Influence of Brushing on the Corrosion Resistance of CP Ti Alloy

Marcelo Rodrigues Azenha^▸^▾
Rogério Bentes Kato^▸^▾
Darlan Rocha de Souza^▸^▾
Elker Silva de Oliveira^▸^▾
Elenilson Barbosa Dias^▸^▾
Patrícia Medeiros Ferreira^▸^▾
Gustavo da Col^▸^▾
Osvaldo Luiz Bezzon^▸^▾

DOI: https://doi.org/10.52600/2965-0968.bjcmr.2025.3.1.bjcmr6
Submitted: June 13, 2024
Published: 2024-07-15

Abstract

The use of metal alloys in dentistry continues to be applied in a large number of clinical situations involving conventional prostheses or those on implants. The objective of this study was to evaluate the effect of brushing and corrosion on the surface of CP Ti. Specimens with a diameter of 15 mm and a thickness of 2.5 mm were prepared using the lost-wax casting method. They were then divided into 2 groups (n=6) and subjected to different tests, as described in the materials and methods section. The results obtained showed no statistically significant change in the surface roughness of the specimens between the tested groups. However, images obtained through 3D Digital Interferometry and Scanning Electron Microscopy suggested the formation of surfaces with fewer irregularities in group 2, which was subjected to mechanical brushing before the electrochemical tests. The oxide resistance (Roxide) values observed after EIS at -250 mV were statistically different from each other (p≤0.05), with group 1, subjected only to the electrochemical test, showing lower oxide resistance compared to group 2, which was brushed mechanically before the electrochemical test. It was concluded that brushing positively influences the corrosion resistance of CP Ti.

References

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[1] Adell R, Lekholm U, Rockler, B.; Brånemark PI. A 15-year study of osseointegrated implants in the treatment of the edentulous jaw. Int J Oral Surg 1981;10:387-416.

[2] Géis-Gerstofer J. In vitro corrosion measurements of dental alloys. J Dent 1994;22:247-251.

[3] Ratner BD, Hoffman AS, Schoen FJ, Lemons JE.In: Biomaterials Science: An introduction to materials in medicine; 2sd ed. Pressed by Academic Press, 2004.

[4] Anusavice KJ. In: Materiais Dentários de Phillips. 10ª ed. Rio de Janeiro: Guanabara Koogan; 1998. p.709.

[5] Wiegand A, Kuhn M, Sener B, Roos M, Attin T. Abrasion of eroded dentin caused by toothpaste slurries of different abrasivity and toothbrushes of different filament diameter. J Dent. 2009;37(6):480-4.

[6] Nikolopoulou F. Saliva and dental implants. Impl Dent 2006;15: 372–376.

[7] Vieira AC, Ribeiro AR, Rocha LA, Celis JP. Influence of ph and corrosion inhibitors on the tribocorrosion of titanium in artificial saliva. Wear 2006;261: 994–1001.

[8] Correa CB, Pires JR, Fernandes-Filho RB, Sartori R, Vaz LG. Fatigue and fluoride corrosion on streptococcus mutans ad-herence to titanium-based implant/component surfaces. J Prosthod 2009;18:382–387.

[9] Barão VAR, Mathew MT, Assunção WG, Yuan JC-C, Wimmer MA, Sukotjo C. Stability of cp-Ti and Ti-6Al-4V alloy for dental implants as a function of saliva pH an electrochemical study. Clin Oral Impl Res 2012;23:1055–1062.

[10] Duc HD, Tissot P. Detection of soluble species produced during anodic Polarization of dental amalgam by rotating ring-disc electrode. J Dent Res 1979;58(6):1578-80.

[11] Gregory-Head BL, Curtis DA, Kim L, Cello J. Evaluation of dental erosion in patients with gastroesophageal reflux disease. J Prost Dent 2000;83: 675–680.

[12] Murrell S, Marshall TA, Moynihan PJ, Qian F, Wefel JS. Comparison of in vitro erosion potentials between beverages available in the United Kingdom and the United States. J Dent 2010;38: 284–289.

[13] Nakagawa M, Matsuya S, Udoh K. Effects of fluoride and dissolved oxygen concentrations on the corrosion behavior of pure titanium, and titanium alloys. Dent Mater J 2002;21:83–92.

[14] Mathew MT, Barão VA, Yuan JC, Assunção WG, Sukotjo C, Wimmer MA. What is the role of lipopolysaccharide on the tribocorrosive behavior of titanium? J Mech Behav Biomed Mater 2012;;8:71-85. doi: 10.1016/j.jmbbm.2011.11.004. Epub 2011 Nov 20.

[15] Bayramoglu G, Alemdaroglu T, Kedici S, Aksüt A. The effect of pH on the corrosion of dental metal alloys. J Oral Rehab 2000;27:563-575.

[16] Bapna MS, Mueller HJ. Corrosion of dental burs in sterilizing and disinfecting Solutions. J Prosthet Dent 1988;59(4):503-11.

[17] Benatti OF, Miranda WG Jr, Muench A. In vitro and in vivo corrosion evaluation of nickel-chromium- and cop-per-aluminum-based alloys. J Prosthet Dent 2000;84(3):360-3.

[18] Barão VA, Yoon CJ, Mathew MT, Yuan JC, Wu CD, Sukotjo C. Attachment of Porphyromonas Gingivalis to Corroded Commercially Pure Titanium and Titanium-Aluminum-Vanadium Alloy. J Periodontol. 2014;85(9):1275-82.