Witness, the possibility of gum that makes brushing unnecessary.
Soldiers in the field often do not have the time or the means to brush and floss. Beyond that, the stress of combat can encourage bacterial growth in the mouth, said Col. Dennis Runyan, commander of the Army Dental and Trauma Research Detachment in Great Lakes, Ill.
[Bacteria-fighting g]um was considered an ideal solution because the Army already issues gum to soldiers in their field rations.
Brush your breath!