This covers various dental emergencies and what you can do at home. It is not intended to replace regular professional dental care. Pretty good list:
DENTAL EMERGENCY WHEN ALONE
http://www.drpetrosky.com/emergencies.htm
There is nothing worse than being on your honeymoon, in-flight, on a camping trip, or on a long car ride when it strikes -- an unrelenting toothache so severe you feel like you want to die. Knowing what to do can prevent major discomfort.
Fortunately, the chance of an unforeseen dental crisis can usually be prevented by early detection and treatment of dental disease. When dental disaster does strike (and it always seems to be at the most inopportune time), knowing how to alleviate the pain is invaluable information everyone can use. ---CONTINUED---
Includes:
- Accidental Bitten Tongue/Lip
- Blistered Lips
- Loose Tooth-Children
- Numbness Continues
- Object Wedged Between Teeth
- Pregnancy and Dental Problems
- Save-A-tooth
- Mouth Sores Cold Sore
- Corner of the Mouth; Cracked and/or Sore
- Soreness Inside Your Check
- Swelling After a Dental Injection
- Toothache
- Tooth Knocked Out
- tooth Pain-Non Dental Conditions That Can Cause
- Tooth Knocked Out-Child's "Baby Tooth"
- Tooth Pushed Out of Pace (Inward/Outward)
- Tooth Sensitivity and Jaw Pain Upon Waking
- Travel Dental Emergency Kit
- What to Tell Your Dentist When You Call:
- Wisdom Teeth-Pain From Back Behind a 'Back Tooth"
- Yeast Infection
- How to Make Your Own Dental Emergency Travel Kit
Edited for Copyright
I've had quite a few crowns done on my teeth, and the other day while flossing one of them popped off. I had to wait three days (over the weekend) until I could have someone put it back on. I was told by my dentist that these things "do" come loose and pop off. 
(Argyll) 
