US Patent Issued to J. MORITA on Jan. 13 for "Dental treatment apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,219, issued on Jan. 13, was assigned to J. MORITA MFG. CORP. (Kyoto, Japan).

"Dental treatment apparatus" was invented by Tomoaki Ueda (Kyoto, Japan), Koichiro Adachi (Kyoto, Japan) and Kazunari Matoba (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dental treatment apparatus includes a holder, a power supply, root canal length measurement circuitry, and control circuitry. The holder holds an electrode placed in a root canal. The power supply energizes file with a high-frequency current. The root canal length measurement circuitry electrically measures a position of a distal end of electrode in the root canal. The control circuitry ca...