Official websites use .mil
Secure .mil websites use HTTPS
From left, Col. Ryan Wong, commander of U.S. Army Dental Activity Japan at Camp Zama, Japan; Air Force Col. Song Rhim, commander of the 374th Dental Squadron at Yokota Air Base, Japan; and Navy Cmdr. Thomas Berchtold, associate director of dental services at U.S. Naval Hospital Yokosuka, Japan, listen to keynote speaker, Dr. Philippe Hujoel, an epidemiologist and professor at the University of Washington, during the 65th Tri-Service Dental Symposium, held March 12 through 14 at the New Sanno Hotel in Tokyo.