I spent many thousands of dollars for crowns made inside the dentist office with 3d printing and regretted it. The crowns hurt for months because of the materia

I spent many thousands of dollars for crowns made inside the dentist office with 3d printing and regretted it. The crowns hurt for months because of the material they were printed with, fit poorly and half of them failed within 4 years. Sometimes new technology isn't better.