Or, you just self-insure for dental, if you make a reasonable amount of money or have some savings.
(It's much more feasible for dental where the realistic maximum amounts are still quite small, compared to cancer treatment or similar.)
Consider tax paid healthcare to be a public insurance plan that doesn't need to skim billion dollar profits from their "customers" then.
In general, I'd prefer services with competition and that you can opt out of.
Having said that, Singapore's system works fairly well in practice. But it's not at all like eg the NHS.
Or, you just self-insure for dental, if you make a reasonable amount of money or have some savings.
(It's much more feasible for dental where the realistic maximum amounts are still quite small, compared to cancer treatment or similar.)