Dental Implant Surgery

Write a short note on materials used in implants.
Or
Write a short answer on dental implant materials.
Answer:

Materials used in implants are:

Metals: Stainless steel, cobalt-chromium-molybdenum, titanium and alloys and surface-coated titanium
Ceramics: Hydroxyapatite, bioglass, aluminum oxide
Polymers and composites
Other: Gold, tantalum, carbon, etc.
Stainless Steel: Austentic steel is used as implant material. It has high strength and ductility so is rarely used.
Ceramics: They can be bioactive or bioinert. They are of limited use because of low tensile strength and ductility. They are used as surface coats on titanium implants.
Polymers and Composites: They are fabricated in porous and solid forms for tissue attachments and replacement augmentation. In some of the implants, they are mainly used within the implants as connectors for stress distribution.

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