If you chew gum, choose your gum carefully.
Any gum will help with bad breath because the chewing action results in
more saliva being produced. Some gums, however, have better bad-breath-fighting
abilities than others. These are some factors to consider..
Cinnamon
flavoring seems to be especially effective in reducing bacteria counts in your
mouth.
Look
for gum sweetened with xylitol. For one thing, sugar's not good for your mouth.
Xylitol is a sugar substitute that actually works to prevent bacteria from
replicating in the mouth.
Chewing gum stimulates saliva production (in
addition to covering up the odor with some kind of scent). Mints do not
encourage saliva production which is good for better oral health.