Patent ID: 11890156
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 3:
4. The dental matrix of claim 1,
wherein the strip includes a first surface, and a second surface opposite the first surface,
wherein the first end of the strip is curved inwardly toward the first surface defining a first end radius and the second end of the strip is curved inwardly toward the first surface defining a second end radius, the first end radius and the second end radius being smaller than the radius of curvature of the matrix,
wherein the first end of the strip that is curved inwardly and the second end of the strip is curved inwardly are configured to generate tension to retain the matrix on the anterior tooth when the matrix is placed on the anterior tooth, and
wherein the strip is structured to be retained on the anterior tooth without the use of any attachment elements extending from or contacting a facial, lingual, mesial, or distal surface of the strip when the strip is placed on the anterior tooth.