What are your dental hygiene tips and hacks

Not sure if this is 100% scientifically backed but I read a bit by a dental hygienist on a forum that you shouldn't rinse when brushing with proper toothpaste because it can help remineralize the teeth if when its not rinsed away after

Its annoying but its a good way to cut down on mindless snacking at the very least for me so its something I do sometimes. Hope its not voodoo