Patent ID: 6932607

Claim:
A keeper for a dental magnetic attachment to be attracted by a magnetic assembly embedded in a denture base, the keeper comprising: a keeper body which is shaped like a plate, and a root that is positioned on the bottom of the keeper body, wherein the keeper body and the root are made of a same soft magnetic material and are machined from a single piece of the soft magnetic material in one piece, wherein the root has a smaller diameter part that is linked to a larger diameter part whose external diameter is larger than an external diameter of the smaller diameter part, wherein the smaller diameter part is linked to the bottom of the keeper body, wherein the outer side of the larger diameter part has multiple circumferential grooves that are made circumferentially, wherein the circumferential grooves that are made on the larger diameter part of the root take the form of a screw thread, and wherein the outer side of the keeper body has a body groove that is made circumferentially.