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.
Coconut Oil Pulling Is the New Flossing (It Stops Tooth Decay, Prevents Cavities, Kills Bad Breath & More!)
I’ve had some very traumatic dental experiences in my life starting with band braces at the age of 8 that resulted in countless cavities in all my molars before I was even a teenager. (Diy Beauty Tips)
Get Rid of a Cavity and DIY toothpasteAmazingly Simple and Effective Homemade Toothpaste 1 part Baking Soda 1 part colored mineral salt, we use Celtic Sea SaltÂ® or Pure Himalayan (not the white refined) For a creamy paste: 1 part Coconut oil to the mix