ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,320, issued on Feb. 17, was assigned to OSSTEM IMPLANT Co. LTD. (Seoul, South Korea).

"Method for selecting margin line point, and dental cad device therefor" was invented by Kyoo Ok Choi (Seoul, South Korea), Sung Up Jo (Seoul, South Korea) and Hyung Chul Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A margin line point picking method and a dental CAD device for the same are disclosed. In a margin line point picking method according to one embodiment, while a user picks a margin line point, a preset optimum margin line point is recommended by showing a preview thereof on a screen. Accordingly, it is possible to address the ...