Toothpaste with fluoride definitely helps to protect teeth against cavities. The concern is that brushing doesn't reach all tooth surfaces - particularly between the teeth and at the back of the mouth. As a result, dental professionals often recommend a mouthwash with fluoride. This reaches in between the teeth and into all areas of the mouth. This reach can help strengthen tooth enamel and prevent cavities.
By adding a fluoride mouthwash to a kid's daily oral care routine, all surfaces of the teeth are coated and even cavity-prone areas between the teeth are remineralised and strengthened.
