why does a dental crown come off
First of all, get into your dentist ASAP to get it evaluated. Things can shift around if the crown is off too long. If you canât get in right away, check out our guide on temporarily recementing a crown that has come off. Now, letâs take at the many different reasons why a dental crown might come off. 1  The cement holding it in place has dissolved out from under the crown. 2  The cement didnât bond very well to the tooth or the crown. 3  There is decay underneath the crown â This is the most common reason crowns come off. more information...