Until dental implants came along, fixed teeth like this were an impossibility.
Before:
After:
Everyone knows the more you do something, the better you get-hopefully. Along with this come advances in technology. The combination of these makes for better outcomes.
A light bulb went off in my head several years ago. Every other patient I see my age, has spent their whole life in a dental chair with a continuum of treatments.
The old joke about dental implants is, you need bone and money. Bone can be created. Money is usually earned.