Fluoride Coatings on Magnesium Alloy Implants.

Area of Science:

• Biomaterials Science
• Materials Engineering
• Medical Device Technology

Background:

• Magnesium alloys show promise as degradable metals for medical devices.
• Fluoride coatings are increasingly researched to improve magnesium's corrosion resistance.
• Understanding fluoride coating preparation and properties is crucial for medical applications.

Purpose of the Study:

• To report on different methods for preparing fluoride coatings on magnesium alloys.
• To discuss the influence of preparation conditions on coating characteristics.
• To summarize the properties of magnesium fluoride coatings, focusing on corrosion resistance, mechanical properties, and biocompatibility for in vivo applications.

Main Methods:

• Systematic literature search of PubMed, SCOPUS, and Web of Science (2005-2021).
• Screening and classification of 688 relevant papers, citing 105.
• Analysis of preparation methods, influencing factors (substrate, voltage, electrolyte), and material properties.

Main Results:

• Fluoride coatings significantly improve the corrosion resistance of magnesium alloys.
• Coating characteristics are influenced by preparation conditions.
• Magnesium fluoride coatings exhibit promising biocompatibility for in vivo use.

Conclusions:

• Fluoride coatings represent a viable strategy for enhancing magnesium alloys in medical device applications.
• Further research is needed to address future prospects and challenges for clinical translation.
• This review provides a comprehensive overview of magnesium fluoride coatings for biomedical implants.