<p>A denture attachment (1) comprising a magnet element delivering a magnetic attraction force, a yoke (11) consisting of a soft magnetic material and having a recess for housing the magnet element, and a disc consisting of a soft magnetic material and joined to the yoke so as to close the opening of the recess with the magnet element housed in the recess. The yoke (11) has an almost disc shape and has collars (2) protruding axially outwardly from the outer peripheral surface thereof. The collars (2) are formed to be separated at at least two locations in a substantially peripheral direction, and non-protruding portions (3) having radially outward projection amounts of zero or up to 50% of the maximum projection amount at the collars (2) are provided between respective collars (2).</p>
