Affiliation: | Dr. Freccia is chief, Rohde Dental Clinic, US Army DENTAC Ft Bragg, NC;Dr. Peters is director, endodontic residency program, US Army Institute of Dental Research;Dr. Lorton is a research dental officer and assistant research coordinator, US Army Institute of Dental Research;Dr. Bernier is chief, endodontics, US Army DENTAC, Ft Gordon, Ga |