what you need to do is go to a biologic dentist and have them assess it. do not go to a dentist who does implants or root canals. they are hard to find. if you need more help, let me know. it is possible the nerves in the tooth flared up and then calmed down and it is ok. most dentists like to take out baby teeth, though, which is usually ok. they don't have big roots, but i still have it done by a biologic dentist. calcified means it has turned to bone and the nerves are dead. if it is not abcessed, it is ok to leave it.