Dec 2nd I had 9 front teeth ground fown and temp crowns put on. My impression was sent to a lab. I was supposed to get my new crowns in 6 weeks. At the 6 week mark I was informed the lab never received the pkg , but it was returned to the dentist and he had resent it. It has now been over 2 months and I am still waiting. My question is….at what point should a new impression be made? My temps have been falling off & the stick them back in. I’m concerned about my teeth shifting and my crowns not fitting properly after all this time.