Patent ID: 9033709
Filing Date: 2015-05-19
Classification: A61C

Abstract:
1. A dental attachment assembly comprising: an abutment member with a first end shaped to attach to a tooth root, implant or adjacent tooth, and a second end with an outer locating surface, wherein the outer locating surface of the abutment member has at least two axially spaced retention portions comprising two generally rounded, annular projections; a retention member having a first end and a skirt extending from the first end defining an inner surface for engagement over the outer locating surface of the abutment member, wherein the retention member has at least two axially spaced, snap engaging formations on the inner surface of the skirt for releasable snap engagement with the respective retention portions of the abutment member, and wherein the axially spaced, snap engaging formations on the inner surface of the skirt comprise two spaced, annular grooves for snap engagement over the annular projections on the abutment member; and a cap with a rounded, concave inner surface defining a cavity to receive a swivel engagement with the retention member; wherein an interior top surface of the cavity includes a concave recess extending radially along an outer periphery of the interior top surface of the cavity.