What To Do When Your Child's Filling Or Crown Falls Out

Written By: Logan Grover, Health Content Writer

Reviewed By: Dr. Alison Grover, Board-Certified Diplomate Pediatric Dentist

Last Reviewed: August 29, 2026

If your child's filling or crown just came out, do this: stay calm, find the piece and save it if you can, keep your child on soft foods, and call your pediatric dentist to be seen in the next day or two. Do not try to glue it back in. Call the same day if there's swelling, bleeding, a broken or knocked tooth, or real pain. At Mini Miners Pediatric Dentistry in Erie, most of these end with a quick re-cement or a new crown, not an emergency room. And one thing most parents never hear: a lot of kids' crowns sit on back baby molars and went on with no drilling at all, which changes what happens next.

A lost filling or crown means the material that sealed or capped a decayed tooth has come off, and the tooth underneath is now exposed. In children, this usually happens to a silver or white crown on a back baby molar, or a tooth-colored filling on a chewing surface. The tooth stays vulnerable to decay and cracking until it's recovered, so the clock matters more than the piece in the baggie.

First, What Should I Do in the First Ten Minutes?

Get a look, get it clean, and keep the area calm. Start by rinsing your child's mouth with lukewarm water (not hot, not cold), which clears debris and lets you see the tooth. This first step matches the ADA's basic emergency steps for a broken or exposed tooth. If you find the crown, drop it in a small container or zip bag and bring it in; a clean crown can sometimes go right back on. A filling that broke apart is usually not reusable, so don't turn the house over looking for it.

Keep your child on soft foods until the visit and have them chew on the other side. Brush gently around the tooth with a soft brush so food doesn't pack into the open spot. If the tooth feels sensitive, children's ibuprofen or acetaminophen dosed by weight and age on the label is fine, and cold or very hot foods will make sensitivity worse. If you're unsure about a dose, call us before you give anything.

Is a Lost Filling or Crown a Dental Emergency?

Usually no, but sometimes yes, and the difference is easy to spot. A crown that pops cleanly off a baby molar with no pain can wait a day or two. Pain, swelling, bleeding, a fever, or a tooth that broke during a fall needs same-day attention. Use this quick triage:

Situation	How fast to act	Why
Crown or filling off, no pain, tooth looks intact	Call within 1 to 2 days	Tooth is exposed but stable
Mild sensitivity to cold or sweets only	Call within 1 to 2 days	Manageable at home short-term
Sharp or throbbing pain, won't settle	Call the same day	Possible nerve involvement
Swelling of the gum, face, or a fever	Call the same day	Signs of infection
Bleeding, or the tooth broke in a fall	Call now / go to urgent care	Trauma needs a fast look

If your child is already a Mini Miners patient, call 303-500-3202 and press #2 to reach the on-call pediatric dentist, and we hold same-business-day slots for real emergencies. Not sure which row you're in? That uncertainty is exactly what the phone call is for. If you're not sure it can wait, our emergency dental care page in Erie explains when to come straight in.

What Actually Fell Out: A Filling, a Silver Crown, or a Hall Crown?

This is the question that changes everything, and it's the one most articles skip. Three different things get called "it fell out," and each behaves differently.

A filling packs into a small hole in the tooth. A crown caps the whole tooth and is used when decay is too big for a filling to hold, which is why the American Academy of Pediatric Dentistry notes stainless steel crowns outlast fillings on baby molars. In the AAPD's cited data, preformed metal (stainless steel) crowns fail far less often than amalgam over five years, roughly 7 percent versus 26 percent, with success rates reported up to about 97 percent. A Hall crown is a stainless steel crown slipped over a decayed baby molar with no drilling and no shot, sealing the decay underneath. A study in the Journal of the American Dental Association found no-drill Hall crowns succeed about as often as conventionally placed ones.

What came off	Can it go back on?	What we usually do
Tooth-colored filling	No, it's not reusable	Clean the tooth, place a new filling or a crown if decay is large
Silver (stainless steel) crown	Often yes	Re-cement the same crown if it fits and the tooth is sound
White (zirconia) crown	Sometimes	Check fit; zirconia is often re-cemented or remade
Hall crown	Sometimes	Re-seat or replace; recheck the sealed decay underneath

If you're still sorting out how crowns and fillings differ, that guide breaks it down, and our pages on crowns for kids and white fillings cover when a cap beats a filling.

Why It Matters Even When Your Child Has No Pain

No pain does not mean no problem, and here's the part that trips parents up. The tooth under a crown often still has decay that the crown was holding in check. Once the cap is gone, that decay is exposed to sugar and bacteria again. In our Erie practice we tell parents a baby tooth can go from a small spot to a real cavity in about six months, and an open tooth speeds that up.

Two quieter reasons matter too. A crown can come off because decay hollowed out the tooth beneath it, so the crown was fine and the tooth was failing. And a nerve that's already damaged can go numb, which means "it doesn't hurt" is sometimes a warning, not an all-clear. If the tooth had a big cavity to begin with, our overview of how we restore baby teeth explains what usually comes next.

Do Not Do These Things

Skip the super glue. This is the one hard rule. Household glues (cyanoacrylate) are toxic to the tooth's nerve and are not safe to swallow, and they can wreck a crown that would otherwise re-cement in five minutes. Drugstore "crown repair" kits are built for adult permanent crowns, not baby teeth, and using one can trap decay or make the tooth impossible to save the right way, so leave those on the shelf for kids.

Don't let your child chew on that side, don't scrub the open tooth hard, and don't wait it out because the complaint stopped. The problem that popped the crown is still there. Waiting turns a quick re-cement into a bigger appointment.

Will My Child Need a Space Maintainer if a Baby-Tooth Crown Is Lost?

Not automatically, and anyone who tells you otherwise is skipping a step. A lost crown is not a lost tooth. As long as the baby tooth itself stays in place, it holds its own space. This only becomes a space question if that baby molar is pulled or falls out early. Even then, the AAPD's guidance on losing a baby molar early treats space maintainers as a case-by-case call, not a reflex, because it depends on which tooth it is and how close your child already is to losing it naturally. We decide that from an x-ray, not from fear.

How Soon Can My Child Be Seen in Erie?

Fast, and faster if you already know us. Existing Mini Miners patients reach the on-call pediatric dentist at 303-500-3202, press #2, and we keep same-business-day openings for emergencies. For a no-pain popped crown, a visit in the next day or two is the norm. New to the practice? We're at 61 Erie Pkwy in the heart of Erie, minutes from most local schools, and we see families from Erie, Lafayette, Louisville, Broomfield, Boulder, and the surrounding towns.

If your child gets anxious about dental visits, that's a solved problem here. Every room is set up for nitrous, we offer all levels of sedation for kids, and Hall crowns often go back on with no needle at all, so a nervous kid can watch a movie through the whole thing. Dr. Grover is board-certified by the American Board of Pediatric Dentistry, a title only about a third of U.S. pediatric dentists hold.

What It Costs, and What if You Don’t Have Insurance

Cost depends on whether the crown re-cements or needs to be remade, so we quote it after we see the tooth. We accept all major private insurances, and for families without dental coverage the Mini Miners Membership Plan brings the price down on visits like this. Clear billing is part of how we run, so you'll know the number before we start.

The piece in the baggie matters less than the calendar. A baby-tooth crown that's re-cemented next week is a nonissue. The same tooth left open for a month can become a 2 a.m. toothache and a much longer appointment. So if your child's filling or crown falls out and you're anywhere near Erie, call 303-500-3202 and press #2. We would much rather answer a quick question tonight than fix a bigger problem next month.

FAQs

What should I do if my child's crown or filling fell out? 

Rinse your child's mouth with lukewarm water, save the crown if you can find it, switch to soft foods, and call your pediatric dentist to be seen within a day or two. Don't glue it back in. Call the same day if there's pain, swelling, bleeding, or a tooth that broke in a fall.

Can I use super glue to put my child's crown back on? 

No. Household super glue (cyanoacrylate) is toxic to the tooth's nerve and unsafe to swallow, and it can ruin a crown that would otherwise re-cement in minutes. Store-bought crown-repair kits are made for adult permanent crowns, not baby teeth, so skip those for kids too.

Is a lost filling or crown a dental emergency? 

Usually not. A crown that pops off cleanly with no pain can wait a day or two. It becomes urgent with sharp pain, swelling, a fever, bleeding, or trauma from a fall, and those cases need same-day care.

Will my child need a space maintainer if a baby-tooth crown is lost? 

Not from a lost crown alone. As long as the baby tooth stays in place, it holds its own space. A space maintainer only comes up if that baby molar is pulled or lost early, and even then the AAPD treats it as a case-by-case decision based on which tooth it is and your child's age.

How long can I wait to fix a lost crown on a baby tooth? 

Days, not weeks. A baby tooth can move from a small spot to a real cavity in about six months, and an exposed tooth speeds that up, so an open tooth left for a month often turns a quick re-cement into a larger appointment.

Does replacing a baby-tooth crown hurt? 

Often not much at all. A Hall crown can go back on with no drill and no needle, and for anxious kids we offer nitrous and all levels of sedation, so most children watch a movie through the visit.

How much does it cost to replace my child's crown in Erie? 

It depends on whether the crown re-cements or needs to be remade, so we quote it after we see the tooth. We take all major private insurances, and the Mini Miners Membership Plan lowers the cost for families without dental coverage.