US 12,226,276 B2
Dental matrix devices specific to anterior teeth, and injection molded filling techniques and devices
David J. Clark, Lakewood, WA (US)
Filed by David J. Clark, Lakewood, WA (US)
Filed on Sep. 13, 2021, as Appl. No. 17/472,974.
Application 15/235,645 is a division of application No. 12/362,280, filed on Jan. 29, 2009, granted, now 9,414,895, issued on Aug. 16, 2016.
Application 17/472,974 is a continuation of application No. 15/235,645, filed on Aug. 12, 2016, granted, now 11,116,604.
Claims priority of provisional application 61/043,307, filed on Apr. 8, 2008.
Claims priority of provisional application 61/024,473, filed on Jan. 29, 2008.
Prior Publication US 2021/0401545 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61C 5/85 (2017.01); A61C 5/50 (2017.01); A61C 5/55 (2017.01); A61C 5/62 (2017.01)
CPC A61C 5/85 (2017.02) [A61C 5/50 (2017.02); A61C 5/55 (2017.02); A61C 5/62 (2017.02)] 21 Claims
OG exemplary drawing
 
1. A dental matrix comprising:
a non-flat strip that is configured to be placed on an anterior tooth to restore the anterior tooth, the strip comprising at least one of:
a first anatomic feature that is a root-crown interface; or
a second anatomic feature that is a portion of an inner surface of the dental matrix that conforms to the shape of an outer surface of a region of the anterior tooth to be restored;
the dental matrix is self-stabilizing and hands free, such that there is no requirement for a matrix stabilizer to conform the dental matrix to the anterior tooth;
the dental matrix is self-stabilizing and hands free from the at least one of the first anatomic feature or the second anatomic feature; and
the dental matrix has a height that is within a range from 8 millimeters to 13 millimeters.