I use an even simpler and more reliable system to avoid running out of toothpaste: brushing with plain water. Evidence suggests that brushing with toothpaste (called "dentifrice" in scientific papers) does not remove any more plaque than brushing without it. Here's a systematic review from 2016: >Does dentifrice use help to remove plaque? A systematic review https://pubmed.ncbi.nlm.nih.gov/27513809/ "The cumulative e…
> I use an even simpler and more reliable system to avoid running out of toothpaste: brushing with plain water Breath though. Wouldn't fly with my wife. I not only brush with toothpaste, I then use some Hexetidine. And then I take a little Fisherman's Friend or something similar. I like the feeling of freshness. I don't care much about the actual effect: I just care about feeling fresh.
Of course, the minty freshness is nice to have but that is just a bonus. Most people rely on this to cover up bad hygiene but a proper dental hygienist will of course see the problems either way.
If you search my comments, I have written about dental hygiene at length. Source: my fiance is a DH, see neighbouring threads.