My 6 year old daughter has really bad breath most days, even after brushing and gargling with mouthwash. We use Aquafresh toothpaste/mouthwash but 10 minutes after brushing the smell is back. I don’t want her to be embarrassed at school, does anyone know of any products that can help with this? Thanks. The dentist said it’s coming from her tonsils but she’s got no infection