Loose Crown or Lost Filling in Newark NJ: What to Do and When to Seek Care
Author: ID Wellness Dental Editorial Team | Published: 2026-06-23
A loose crown or lost filling exposes sensitive tooth structure and requires prompt dental attention. This guide explains what to do immediately, how to protect the tooth until your appointment, and what treatment options are available in Newark, NJ.
Quick Answer: If a crown falls off or a filling is lost, contact your dentist as soon as possible — ideally the same day. Keep the crown if you have it. Temporary dental cement (available at pharmacies) can protect the tooth until your appointment. Do not attempt to recement a crown yourself with super glue. Most lost fillings and crowns can be repaired or replaced at a single appointment. A lost filling or crown exposes sensitive tooth structure — seek dental care within 24–48 hours to prevent pain and further damage Keep any crown or large filling fragment — your dentist may be able to recement it Temporary dental cement (Dentemp, available at pharmacies) can protect the tooth for 1–3 days until your appointment Never use super glue to recement a crown — it can damage the tooth and make professional recementation impossible A loose or lost crown is a dental emergency if you have severe pain, swelling, or the underlying tooth is fractured Why Do Crowns and Fillings Come Loose? Dental restorations are designed to last many years, but they can fail for several reasons: Cement failure: The cement bonding a crown to the tooth can weaken over time, especially with exposure to acids and bacteria Recurrent decay: New cavities can form under a crown or around a filling, undermining the restoration Tooth fracture: A crack in the underlying tooth can cause a crown or filling to loosen Wear: Fillings and crowns wear down over time and eventually need replacement Trauma: A blow to the m
Frequently Asked Questions
What should I do if my crown falls off?
Keep the crown, rinse it, and try to reposition it over the tooth. Apply temporary dental cement (Dentemp) if available. Call your dentist for a same-day or next-day appointment. Never use super glue.
Is a lost filling a dental emergency?
A lost filling should be seen within 24–48 hours. It is a dental emergency if you have severe pain, swelling, or the exposed tooth is fractured. Temporary filling material can protect the tooth until your appointment.
Can my dentist recement my old crown?
Yes — if the crown is intact and the underlying tooth is healthy, your dentist can clean and recement the crown at a single appointment. If the crown is damaged or there is new decay, a new crown may be needed.
How long does a dental crown last?
Dental crowns typically last 10–15 years with proper care. Longevity depends on the material, oral hygiene, and whether the patient grinds their teeth.