| abstract |
The invention discloses a tantalum-silver coating dental implant and a preparation method thereof, wherein the dental implant comprises a base material and a tantalum-silver coating, wherein the base material comprises, by mass, 0.5% -5% of titanium, 1% -5% of yttrium, 60% -80% of niobium, 5% -25% of zirconium and 3% -17% of silver; the raw materials of the tantalum-silver coating comprise, by mass, 94% -98% of tantalum, 0.5% -5% of silver, 0.2% -2% of magnesium and 0.2% -2% of strontium. The dental implant has the physical properties of high strength and low elastic modulus, and can effectively sterilize and resist corrosion and promote bone growth. |