My friend has a dental insurance. You pay so much money every month, then you get certain things covered, (not everything) and there is a cap, the cap is exactly the amount you pay for the insurance. So, what's the point. You rather pay the money directly to your dentist.
Dentist's is very expensive in this country. I spend about 200pounds on my teeth every year. When my veneer is due, I will go back to China to get them done. It is 400pound each tooth here, I have 6 need doing.
Good luck to you in finding a good dentist.