I seem to recall that the Swedish system was not as invasive as that, and people were reporting having the implant done at 8 am and being able to eat a not-too-solid tea or early evening meal by 6 pm, and it was about half the cost or a third the cost of the other way.
NHS would not do it (or at least would only maybe cover about 10% of the cost) but I think I have cover for surgical although not routine dental work on my BUPA - intended to cover wisdom tooth removal, but might cover an implant unless it was deemed elective.
Incidentally, my new dentist is still accepting new NHS patients at both her Lower Stoke and Sheerness surgeries. If you live in Kent (UK) this is worth knowing.