It usually happens at the worst possible time. Dinner with friends. Late on a Sunday night. Right before a big meeting. You’re eating something harmless, maybe a piece of bread or a soft piece of chicken, and suddenly you feel something hard and unfamiliar in your mouth. You pull it out, and there it is. Your dental crown.
First, take a breath. This is uncomfortable and unsettling, but it’s not an emergency that requires a frantic rush to the nearest hospital. That said, it does need attention. Here’s exactly what to do.
Don’t Panic, But Don’t Wait Either
A crown falls off for several reasons. The cement simply wore out over time. Decay developed underneath the crown, breaking the seal. Or something sticky or hard pulled it loose. Whatever the cause, the good news is that most crowns can be re-cemented or replaced without major work.
The bad news? That exposed tooth underneath is vulnerable. It’s likely sensitive to temperature, air, and pressure. And without the crown protecting it, the tooth could crack or develop new decay.
So while it’s not a middle-of-the-night emergency, it’s also not something to sit on for two weeks.
Step One: Find the Crown
Hopefully it came out in one piece. If it did, gently rinse it off with water. Don’t scrub it. Don’t use soap or any cleaning products. Just a gentle rinse to remove any visible debris.
If the crown broke into pieces, gather everything you can find. The dental team may still be able to use the pieces as a guide for making a new one.
Step Two: Protect the Tooth
The exposed tooth needs protection. Many drugstores sell temporary dental cement or dental wax. These products are designed exactly for this situation. They won’t fix the problem permanently, but they can cover the exposed tooth and reduce sensitivity until you get to the dental office.
Do not use super glue, household cement, or any adhesive not meant for teeth. That can cause irritation, damage the tooth further, and make the permanent fix much harder.
Step Three: Call the Dental Office
Call as soon as possible. Our team will want to get you in quickly. In many cases, a crown can be re-cemented the same day. If the crown doesn’t fit properly anymore or if there’s decay underneath, we may need to make a new one. Either way, the sooner the tooth is examined, the better.
While waiting for the appointment, be gentle with that side of the mouth. Stick to soft foods. Avoid anything sticky, chewy, or crunchy. Chew on the opposite side when possible.
What Not to Do
Some instincts are wrong in this situation. Do not try to force the crown back on yourself without proper cleaning and cement. It won’t seat correctly, and you could end up swallowing or inhaling it.
Do not ignore the problem because it stops hurting. The tooth may calm down after a day or two, but that doesn’t mean everything is fine. That’s just the nerve settling. The tooth is still vulnerable.
And do not wait until your next scheduled cleaning. A crownless tooth can shift, crack, or decay faster than most people realize.
Preventing It From Happening Again
Good oral hygiene around crowns matters. Flossing around the base removes plaque that can cause decay at the margin. Regular checkups let the dentist check the crown’s fit and seal before problems start.
If a crown has fallen off once, it’s worth asking at the next visit whether the other crowns in the mouth might be at similar risk. Sometimes cement just wears out. Other times, there’s a pattern worth watching.
If a crown falls off, call Dr. Schweifler’s office at (650) 489-4620. Same-day appointments are often available for situations like this.