US Patent Issued to HASS on Sept. 29 for "Dental bulk block for CAD/CAM machining process and manufacturing method of the same" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,102, issued on Sept. 29, was assigned to HASS Co. LTD. (Gangneung-si, South Korea).

"Dental bulk block for CAD/CAM machining process and manufacturing method of the same" was invented by Hyung Bong Lim (Gyeonggi-do, South Korea) and Yong Su Kim (Gangwon-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dental bulk block for a CAD/CAM machining process. The dental bulk block is a glass-ceramic block having a crystalline phase embedded in an amorphous glass matrix. The crystalline phase includes lithium disilicate as a main crystalline phase, no sub-crystalline phase exists, and the crystalline phase has a mean grain size of 0.01 to 1....