ART with HVGIC has basically solved dental caries since the 80s. But you aren't likely to get it in the US or most western nations because there is a massive industry around drilling and filling with resins and then solving the multitude of problems that such a destructive process creates. Crowns, root canal, periodontal disease etc.

https://www.sciencedirect.com/science/article/abs/pii/S03005...

Isn't ART also destructive? Just that it's done with hand instruments instead of a drill

Also the aspect of shooting in neuro toxins close to the brain when doing these procedures