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Titanium dental implants. Titanium was first introduced into surgeries in the 1950s after having been used in dentistry for a decade prior. [1] It is now the metal of choice for prosthetics, internal fixation, inner body devices, and instrumentation. Titanium is used from head to toe in biomedical implants.
The most commonly implanted form of stainless steel is 316L. Cobalt-chromium and titanium-based implant alloys are also permanently implanted. All of these are made passive by a thin layer of oxide on their surface. A consideration, however, is that metal ions diffuse outward through the oxide and end up in the surrounding tissue.
Orthopedic implant example seen with X-ray. An orthopedic implant is a medical device manufactured to replace a missing joint or bone, or to support a damaged bone. [1] The medical implant is mainly fabricated using stainless steel and titanium alloys for strength and the plastic coating that is done on it acts as an artificial cartilage. [2]
Beta titanium alloys have excellent formability and can be easily welded. [10] Beta titanium is nowadays largely utilized in the orthodontic field and was adopted for orthodontics use in the 1980s. [10] This type of alloy replaced stainless steel for certain uses, as stainless steel had dominated orthodontics since the 1960s.
This is especially relevant in orthopaedic applications, where although many surgeries only require implants to provide temporary support (allowing the surrounding tissue to heal), the majority of current bio-metals are permanent (e.g. stainless steel, titanium). Degradation of the implant means that intervention or secondary surgery will not ...
Currently, many types of metals and alloys (stainless steel, titanium, nickel, magnesium, Co–Cr alloys, Ti alloys), [1] ceramics (zirconia, bioglass, alumina, hydroxyapatite) [1] and polymers (acrylic, nylon, silicone, polyurethane, polycaprolactone, polyanhydrides) [1] are used for load bearing applications. This includes dental replacements ...
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