I've been flouride free for a few years now and my dentist says my teeth look fuckin' great. I use NOBS:
No sponsorship but they really should give me a lot of money all the time.

NOBS
NOBS | Innovating Personal Care, One Smile at a Time
At NOBS, we think your personal care needs shouldn't be met with questionable ingredients. That's why our products are made with only what you need...