ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,733,815, issued on Sept. 15, was assigned to SMARTOOTH Co. LTD. (Seoul, South Korea).

"Oral diagnostic device using light" was invented by Ho Jung Son (Seoul, South Korea) and Myung Seon Ryou (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oral diagnostic device includes a device main body including an optical transmitting and receiving module; and a probe that is detachably coupled to the device main body, irradiates light received from the optical transmitting and receiving module into an oral cavity, receives reflected light from the oral cavity, and transmits the received reflected light to the optical transmitting and receivi...