Effect of heat treatment on the tensile strength of ‘Elgiloy’ orthodontic wire

Philip, Swapna M.; Darvell, B.W.

doi:10.1016/j.dental.2016.05.011

Cited by 6 publications

(2 citation statements)

References 6 publications

(15 reference statements)

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“…This illustrates the importance of optimizing post‐manufacturing processing conditions of the alloy to improve biocompatibility. The literature available on Elgiloy inherently highlights how the biocompatibility profile of an alloy may vary from one study to another depending on several factors such as (a) manufacturing processes; 180,181 (b) post‐manufacturing process conditions and associated parameters; 178,179,182 (c) intended use, location, size and shape of the implant; 183–186 (d) surface finishing and associated parameters; 181 (e) surface cleaning and associated protocols; 181 (f) type of samples used (final finished devices, 2D coupons, wires, plates, etc. ); 184,186,187 (g) the physical form (bulk or particulate) of the material; 44 (h) controls or samples used in the study for comparison; 181,183,185 and (i) the testing conditions and characterization methods used in a study 181,186 .…”

Section: Effects Of Manufacturing Processes On the Biocompatibility O...mentioning

confidence: 99%

“…This illustrates the importance of optimizing post-manufacturing processing conditions of the alloy to improve biocompatibility. The literature available on Elgiloy inherently highlights how the biocompatibility profile of an alloy may vary from one study to another depending on several factors such as (a) manufacturing processes;180,181 (b) post-manufacturing process conditions and associated parameters;178,179,182 (c) intended use, location, size and shape of the implant;183-186 (d) surface finishing and associated parameters;181 (e) surface cleaning and associated protocols;181 (f)…”

mentioning

confidence: 99%

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A review on manufacturing processes of cobalt‐chromium alloy implants and its impact on corrosion resistance and biocompatibility

Mani,

Porter,

Collins

et al. 2024

J Biomed Mater Res

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Cobalt‐Chromium (CoCr) alloys are currently used for various cardiovascular, orthopedic, fracture fixation, and dental implants. A variety of processes such as casting, forging, wrought processing, hot isostatic pressing, metal injection molding, milling, selective laser melting, and electron beam melting are used in the manufacture of CoCr alloy implants. The microstructure and precipitates (carbides, nitrides, carbonitrides, and intermetallic compounds) formed within the alloy are primarily determined by the type of manufacturing process employed. Although the effects of microstructure and precipitates on the physical and mechanical properties of CoCr alloys are well reviewed and documented in the literature, the effects on corrosion resistance and biocompatibility are not comprehensively reviewed. This article reviews the various processes used to manufacture CoCr alloy implants and discusses the effects of manufacturing processes on corrosion resistance and biocompatibility. This review concludes that the microstructure and precipitates formed in the alloy are unique to the manufacturing process employed and have a significant impact on the corrosion resistance and biocompatibility of CoCr alloys. Additionally, a historical and scientific overview of corrosion and biocompatibility for metallic implants is included in this review. Specifically, the failure of CoCr alloys when used in metal‐on‐metal bearing surfaces of total hip replacements is highlighted. It is recommended that the type of implant/application (orthopedic, dental, cardiovascular, etc.) should be the first and foremost factor to be considered when selecting biomaterials for medical device development.

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