In a nutshell, a dental crown is basically a cap that gets placed over an existing tooth that has been damaged somehow.
Dental crowns can be placed over front teeth as well as rear teeth, with rear teeth generally being molars that are seldom visible. When the front teeth are operated on, the material used will be color-matched to your existing teeth, so the dental crowns won’t be visible.
The specific type of dental crown you choose will generally depend on the kind of durability you’re looking for, the strength of the material, and the cost of the material.