7 yr. old 'Peek-a-poo' with bad, bad breath . . . .

What to do ? ? MAGGIE IS IN GOOD HEALTH AND VERY ACTIVE FOR A SEVEN YR. OLD"peek-a-poo" HER TEETH ARE ALSO IN GOOD SHAPE AND GET BRUSHED EVERY OTHER DAY, OR SO.

BUT MAN DOES SHE HAVE BAD, BAD BREATH. HER REGULAR FOOD IS 'ROYAL CANIN' WHICH SHE'S BEEN ON FOR ABOUT 2 YRS. AND THE BAD BREATH STARTED ONLY 6 MTS. OR SO AGO. ANY SUGGESTIONS/RECOMMENDATIONS PLEASE. :E