After root canal therapy, because there is no blood vessel to provide nutrition, teeth are easy to break, so it is necessary to grind teeth into small rings and install crowns. After painless setting, it is not much different from the original teeth.
That's not plaster, it's cement. If you drop it, you'd better mend it, or it will be uncomfortable to plug it. . Mainly because it is uncomfortable to eat, and it smells like medicine.