People receiving an organ transplant may need some teeth extracted if the teeth could become sources of infection after the transplant. People with organ transplants have a high risk of infection because they must take drugs that decrease or suppress the immune system.
If a tooth has been broken or damaged by decay, your dentist will try to fix it with a filling, crown or other treatment. Sometimes, though, there's too much damage for the tooth to be repaired. This is the most common reason for extracting a tooth