Fair point. And with fluoridated water and toothpaste, is the dentist checking the dosages? It's probably fine anyway, but paying an tens of dollars for it seem

Fair point. And with fluoridated water and toothpaste, is the dentist checking the dosages? It's probably fine anyway, but paying an tens of dollars for it seems excessive. And like you said, get a bottle for rinsing at home, it's a lot cheaper than $40 per rinse.