Senior Airman Tara Serrano, 628th Medical Group dental assistant, performs a routine dental exam on Staff Sgt. Sarah Strasen, 437th Operations Support Squadron airfield management training manager, during her dental appointment, Aug. 17, 2012, at Joint Base Charleston - Air Base, S.C. Dental assistants aid dentists in the performance of generalized tasks, including chair-side aid, clerical work, reception, and some radiography and dental laboratory work.