Other than the Additional Tip: "use the toothpaste with Fluoride" (which I don't believe in. too much controversy about the type of Fluoride being used in tooth products), I find lots of solutions in this post for supporting healing cavities naturally.
The signs and symptoms of cavities vary, depending on the type and the severity of the problem. Some common symptoms include toothache, tooth sensitivity, mild to sharp pain when eating or drinking, visible holes or pits in the infected tooth
February is National Children’s Dental Health Month Dental Health Month! 20 super creative teeth crafts and teeth activities for kids in the month of February. Great for toddler, preschool, kindergarten and elementary age kids
The modern diet is the main reason for increasing rates of children’s cavities. Here're some ways to get rid of the cavities in children to maintain a good health in your kid. http://www.yourhealthisprecious.com/category/babys-health/
Why kids get cavities. How to prevent your child from getting one.