I've been taking vitamin k2 mk4 at 45mg a day for over a year now. My teeth feel gr8. Now I need to get some of this stuff to have super human chompers.
I started K2 about 10 years ago. Next dental checkup (about a year too late) the dental tech said my teeth appeared recently-cleaned. This has continued since then. No cavities, little cleaning required other than regular brushing, flossing and taking k2.