Hi, I know this sounds bad, but I lost my job in 2008 when I had a root canal done. Because I didn't have a job or insurance I did not get a crown. I just got a job and insurance and was ready to get a crown done soon when my temp filling came out a couple of days ago. Since then my mouth is filled with a horrible taste. I'm going to make an appt. with a dentist tomorrow, not today due to holiday. I don't have a fever, but I am concerned about the possibility of infection. I don't have any pain around my tooth. Please advise. Thank you for your help.