Method for manufacturing dental implant and dental implant
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United States of America Patent
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Feb 24, 2015
Grant Date -
Feb 7, 2013
app pub date -
Oct 11, 2012
filing date -
Jul 27, 2007
priority date (Note) -
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Abstract
A dental implant comprises a titanium member composed of a sintered body made from titanium or titanium alloy; and a ceramic member composed of oxide-based ceramic, and the ceramic member fixed to the titanium member. The titanium member has a recess, and the ceramic member has a protrusion coupled to the recess and pores, and the titanium member covers the protrusion of the ceramic member. The protrusion has a cross-sectional area increasing portion whose cross-sectional area increases toward a dead-end portion of the recess in a direction away from a base end of the protrusion. The titanium member is firmly fixed and joined to the ceramic member in a state that a part of the titanium or the titanium alloy is penetrated into the pores of the protrusion of the ceramic member.
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Family
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