> They haven't progressed much in 20 years so again I don't know: would 17 fillings (a figure of style for "many, many fillings") would have helped more over th

> They haven't progressed much in 20 years so again I don't know: would 17 fillings (a figure of style for "many, many fillings") would have helped more over the course of 20 years? No. If they're not progressing, there is no problem to solve. Dental sealant might be worthwhile.