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Advancing Dental Implant Design: A Comprehensive Study of Machining Parameters, Corrosion Behavior, and Microstructural Evaluation.
Alizadeh, Shaghayegh; Shahbaz, Mehrdad; Kavanlouei, Majid; Rahimi, Seyyed Salam; Kim, Sang Sub.
Afiliación
  • Alizadeh S; Department of Materials Science and Engineering, Faculty of Engineering, Urmia University, Urmia 5756151818, Iran.
  • Shahbaz M; Department of Materials Science and Engineering, Faculty of Engineering, Urmia University, Urmia 5756151818, Iran.
  • Kavanlouei M; Department of Materials Science and Engineering, Faculty of Engineering, Urmia University, Urmia 5756151818, Iran.
  • Rahimi SS; Doctor of Dental Surgery, Digital Dental Clinic, Mahabad 5916763101, Iran.
  • Kim SS; Department of Materials Science and Engineering, Inha University, Incheon 22212, Korea.
ACS Biomater Sci Eng ; 10(8): 5381-5389, 2024 Aug 12.
Article en En | MEDLINE | ID: mdl-39041183
ABSTRACT
In this research, we investigate the impact of varying machining parameters [depth of cutting (mm) and spindle rotation speed (rpm)] on the microstructure and electrochemical behavior of Ti6Al4V-ELI dental implants. This comprehensive study employs an approach, leveraging potentiodynamic methods and electrochemical impedance spectroscopy, to analyze corrosion behavior in a phosphate-buffered saline solution. To further deepen our understanding of corrosion kinetics, we used an alternating current circuit model, based on a simple Randles equivalent circuit. This model elucidates the corrosion interface interactions of the Ti6Al4-V-ELI alloy implant within the PBS solution. In addition, our research delves into the microstructural implications of different machining parameters, utilizing scanning electron microscopy and X-ray diffraction (XRD) techniques to reveal significant phase changes. The changes in texture were examined qualitatively by comparing the intensities of the peaks of the XRD pattern. A detailed correlation analysis further links the machining parameters with the corrosion properties of dental implants, offering a comprehensive perspective rarely explored in the existing literature. The results obtained for the three samples showed that the corrosion resistance would be higher by increasing the machining depth and the spindle rotation and that the corrosion current would be lower. As a result, a lower corrosion rate was obtained. Finally, experimental results from electrochemical analyses are compared and discussed.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Titanio / Implantes Dentales / Aleaciones Idioma: En Revista: ACS Biomater Sci Eng Año: 2024 Tipo del documento: Article País de afiliación: Irán Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Titanio / Implantes Dentales / Aleaciones Idioma: En Revista: ACS Biomater Sci Eng Año: 2024 Tipo del documento: Article País de afiliación: Irán Pais de publicación: Estados Unidos