Taking Colloidal Silver has healed teeth. I was too late, but others say it is so.
When I did discover it, I used it and it helped with the abcessess.
Also, for hygene, using H202 [hydrogen peroxide] helps a lot more than you might know. it has been discouraged for the same reasons other natural health things are discouraged - no patents, its natuaral, so no monopolistic profiteering like with pharmaceuticals and other branded products.
Look into H202 - link below >> OR search Ed McCabe