US 12,402,982 B2
Matrices including crowns for dental restoration
Itay Mishaeloff, Tel Aviv (IL)
Filed by Iveneer LTD, Petach Tikva (IL)
Filed on Apr. 14, 2022, as Appl. No. 17/659,179.
Application 17/659,179 is a continuation in part of application No. 17/646,681, filed on Dec. 31, 2021.
Application 17/659,179 is a continuation in part of application No. 17/173,216, filed on Feb. 11, 2021, granted, now 11,903,787.
Application 17/659,179 is a continuation in part of application No. 15/856,087, filed on Dec. 28, 2017, granted, now 10,952,815.
Prior Publication US 2022/0287801 A1, Sep. 15, 2022
Int. Cl. A61C 5/85 (2017.01); A61C 5/20 (2017.01); A61C 13/15 (2006.01)
CPC A61C 5/85 (2017.02) [A61C 5/20 (2017.02); A61C 19/003 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A dental matrix comprising:
a body configured to correspond to the shape of a tooth including a first end oppositely disposed from a second end, the body comprising:
an inner cavity extending from the first end to the second end, the first end being closed and the second end comprising an opening for fitting over a predefined dental area;
an expandable portion at least proximate to the second end including an outwardly protruding tab extending vertically along the body from the second end, the tab including oppositely disposed overlapping folded flanges joining along a fold, such that the tab is movable by separating the overlapping folded flanges about the fold, between a retracted position and an expanded position, such that the diameter of the second end at least proximate to the opening increases when the tab moves from the retracted position to the expanded position; and
an aperture in the body open to the inner cavity.