Common accidents can lead to tooth injuries. A tooth that has fallen out obviously needs a dentist, but cracked teeth are on a line between important and ignorable. How does this type of injury affect the patients' health? What are the potential consequences of leaving a cracked tooth untreated?

Example of cracked tooth

  • 2
    Anecdotal evidence, but I can share my experience. I had a seizure (brought on by a 20+ hour migraine) and faceplanted on a hardwood floor, shearing off the bottom half of a front tooth that was protruding out of the line of the rest. After going to the hospital and getting other things taken care of, a dental student sealed it. The sealant did crack and fall out later. Since then my dentist asks if I want it fixed, but since it isn't a cutting hazard and I'm keeping it clean they said its only a cosmetic issue. So as said below: check with your dentist, and they can suggest the right action
    – Zintlions
    Mar 6, 2017 at 14:08

1 Answer 1


More dangerous than healthy teeth, but not impossible to live with. A cracked tooth has a higher risk of breaking, is less resistant to tooth decay, heat, cold, acid etc. The 2 most dangerous situations I can imagine:

  • If the weakened tooth breaks apart, its parts can be as dangerous as shards of glass in the mouth.
  • If the injury leads to osteomyelitis, it might require a surgery.

I'm not a doctor, I'm just guessing: if your tooth is cracked, see your dentist ASAP, as each case is unique.

(The photo in the question is my cracked tooth. I had an accident almost a year ago, landed my face on concrete, visited my dentist, used 25 g Elmex gel as she recommended. I still don't use this tooth, so fortunatelly it's still in its place and is painless.)

  • 1
    +1 for see your dentist immediately. This is the most important thing the OP should do right now!
    – Narusan
    Mar 6, 2017 at 6:05

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