It depends per country, generally its free or super cheap, but there are some exceptions to services covered and ambulance can be one of them (its around 500$ i

It depends per country, generally its free or super cheap, but there are some exceptions to services covered and ambulance can be one of them (its around 500$ in Switzerland - this still could lead to paying 0$ for patient depending on situation, don't know about other countries). And dental care is probably not free anywhere anymore that I am aware of, but its still cheaper to take trans-atlantic plane to get some more complex work done in cheaper places here than doing it in bigger cities in US.