My crown fell out, what do I do? (Photo)

Hi:Go to a dentist right away to try to recement the post and the crown.  If you wait, decay may develop very rapidly and there might be movement of adjacent teeth that would prevent recementation.Best,Dr. Maddahi

For trauma cases that involve the tooth completely coming out most of the time the tooth can be saved if it is placed back into the socket within an hour. Its important to have a dentist take a look to make sure there was not any other damage to surrounding bone or tissues. If it simply fell out on its own there may be a more serious underlying periodontal problem which will need to be resolved and discussed before planning to have the missing tooth replaced. Based on the picture it looks like only the crown and post came out (root still inside your mouth) If there is no cavity on the root the situation may be solved by simply re-cementing it back into place. Hope this helps! 

Thank you for your question.Post crown teeth like yours are very minimally retained in their post hole (what you term the socket).This means there is very little excess grip to hold the crown in than is needed.If you have any chance to keep the same crown, you should see your dentist without delay.They can use professionally applied dental cements and adhesives and maybe these will result in the crown staying in longer.There is usually a good reason why a crown like this would fall out, and your dentist will need to investigate and get to the bottom of this reason as well.Good luck and kind regardsThomas Dey, BDS, MSc