MAGNETIC ATTACHMENT FOR DENTAL PROSTHESIS
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Jul 23, 2013
filing date -
Aug 9, 2012
priority date (Note) -
Abandoned
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Abstract
Provided is a magnetic attachment for dental prosthesis, in which a material used for an outer shell which covers a permanent magnet does not become magnetized at an unintended portion to reduce magnetic attraction, and which can be easily manufactured. The magnetic attachment for dental prosthesis includes a permanent magnet structure to be fixed to a denture base, on a side where is to have contact with a residual ridge, wherein the permanent magnet is arranged inside the outer shell, and a keeper including a soft magnetic metal material to be fixed on an upper side of a residual ridge in an oral cavity, in a manner to face the permanent magnet structure, wherein a spacer made of a nonmagnetic metal material forming a part of the outer shell which covers the permanent magnet is fixated to another member which forms the outer shell by means of an adhesive agent.
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