Hello, the tooth defect has reached half or more, and the material cannot be filled firmly. If the retention is not good, it is easy to fall off. Root canal therapy should be done before post and braces are made. There is no better way to do this, and it will take a long time.
This part of root canal therapy should be the same. There are several types of braces and posts and cores made of different materials. You can consult local hospitals for different charging standards, and then choose different prices according to your own economic situation.