For medical self tapping screws, non-toxic and harmless screw materials should be selected. The screws can not produce chemical reaction, oxidation and other rust. To meet the medical standards, titanium materials should be used. Titanium is a chemical element and a rare metal. Titanium has strong activity and corrosion resistance. The important thing is that it has good biocompatibility and elastic modulus close to natural bone. Because of this characteristic, pure titanium and its alloys have been more and more widely used in clinic because of their elastic modulus similar to bone, good biocompatibility and excellent corrosion resistance in biological environment. Biomedical titanium alloy materials have become the main raw materials required for the production of surgical implants and orthopaedic instruments all over the world.
Therefore, medical self tapping screws are generally made of titanium. We have made medical self tapping screws, which are used in dentistry and medical screws on teeth.
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