Patent ID: 9452030
Filing Date: 2016-09-27
CPC Classification: A61C

Claim Text:
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; a retention member having a first central longitudinal axis, an outer surface, a first end and a skirt extending from the first end defining an inner surface for non-swivel engagement over the outer locating surface of the abutment member; and a cap having a second central longitudinal axis and a rounded, concave inner surface defining a cavity to form a swivel engagement with the outer surface of the retention member between a non-swiveled position in which the first and second central longitudinal axes are in alignment and a fully swiveled position in which the second central longitudinal axis is at an angle to the first longitudinal axis; wherein an interior top surface of the cavity includes a concave recess which extends radially in an annular path along an outer periphery of the interior top surface of the cavity.