Subsurface cleansing
Tech. Sgt. Vicki Johnson performs a scaling and root planning procedure on a patient at RAF Lakenheath, June 14, 2009. She is a registered dental hygienist with the 48th Dental Squadron. She works in the Periodontal Department, along with about four others. The small care-giving team is responsible for providing periodontal care for all personnel from all branches of the service and their families stationed in the United Kingdom. (U.S. Air Force photo by Staff Sgt. Nathan Gallahan)