Barsha Heights, Tecom, Dubai 
+971 (4) 266 6763
Dental Crown Replacement: When an Old Crown Must Go
· 23/08/2026 · Crowns and Bridges in Dubai
23/08/2026
Dental crown replacement is needed when an existing crown fails rather than when it simply gets old. The triggers are decay creeping in under the margin, a crown that has loosened, a fracture in the crown or the tooth beneath it, gum recession exposing a dark edge, or a cracked cement seal letting bacteria in. Most crowns last 10 to 15 years, and a well-maintained one can pass twenty without needing anything done.
Age alone is not a reason for dental crown replacement. What matters is whether the seal at the margin still holds, and that is a question about the join, not about the years. (All figures below are typical Dubai ranges, not fixed prices.)
Old crown feeling loose, dark at the edge or sensitive? Book an assessment at Mint Dental Care. Call +971 4 266 6763, WhatsApp us, or see our dental crowns and bridges service.
When does a dental crown replacement become necessary?
A dental crown replacement is driven by the join, not the crown. The tooth underneath stays vulnerable at the point where the two meet. Replacement becomes necessary when that junction fails.
- Decay under the margin, which is the most common reason of all. Plaque sits at the join, the tooth demineralises beneath the crown, and eventually the restoration has to come off so the decay can be cleaned out.
- A loose crown that moves or clicks when you bite, meaning the cement seal has broken and bacteria are already getting underneath.
- Recurrent sensitivity to cold or sweetness, which often signals a leaking margin before anything is visible.
- A chip or fracture in the crown itself, common in porcelain-fused-to-metal and layered ceramic restorations.
- A dark line at the gum, either the metal substructure of an older crown showing through or the root surface exposed by recession.
- Gum inflammation that stays localised to one tooth, which usually points at an overhanging or poorly contoured crown edge.
If your crown has come off entirely or fractured badly, treat that as urgent rather than routine, since the exposed tooth is fragile and can shift within days. Our page on a broken crown as a dental emergency covers what to do in the meantime.
How long crowns last by material
| Crown type | Typical lifespan | Usual failure mode |
|---|---|---|
| Monolithic zirconia | 10 to 15 years or more | Decay at the margin, rarely the ceramic |
| Layered zirconia | 10 to 15 years | Chipping of the porcelain layer |
| E-max lithium disilicate | 10 to 15 years | Fracture under heavy bite forces |
| Porcelain fused to metal | 8 to 12 years | Porcelain chipping, dark line at the gum |
| Temporary acrylic | Weeks | Wear and leakage, never a long-term option |
Those numbers describe averages, not deadlines for dental crown replacement. What shortens them reliably is grinding, poor cleaning at the margin, and gum disease, and what extends them is unglamorous daily flossing around the crowned tooth. Our guide to the types of dental crowns available in Dubai compares the materials in more detail.
What a dental crown replacement appointment involves
Dental crown replacement follows the same pattern as the original treatment, with one extra step at the start. The old crown is sectioned and removed, which is painless but noisy, and the tooth underneath is inspected properly for the first time in years.
What happens next depends on what is found. If the tooth is sound, it is refined, scanned and a new crown is made, with a temporary fitted meanwhile. If decay has got in, that is cleaned out and the tooth may need a core build-up to rebuild enough shape to hold a crown. If decay has reached the pulp, root canal treatment comes first, and if too much tooth has been lost, the honest conversation is about extraction and an implant instead.
Two visits about a week apart is the norm, and where the tooth needs no extra work a same-day option may be possible, which our page on same-day crowns in Dubai explains.
Dental crown replacement cost, and what to ask
At Mint a crown is 1,500 to 3,000 AED, root canal treatment where it is needed first is 1,500 to 3,500 AED, and the examination that decides between them is 200 AED for a general dentist. A dental crown replacement is quoted the same way as a new crown, since the laboratory work is identical; what varies is whatever repair the tooth underneath turns out to need.
Before agreeing to dental crown replacement, ask three questions. Why is this crown failing, since the answer determines whether the new one will last any longer. What condition is the tooth underneath in, which nobody can fully answer until the old crown is off but an X-ray narrows considerably. And what happens if the tooth turns out to be unrestorable, so the fallback plan is agreed before you are in the chair rather than during.
Making the next crown last longer
The margin decides when the next dental crown replacement falls due, so clean it deliberately. It is where crowns are won and lost: floss or use an interdental brush around the crowned tooth every day, aiming at the gum line rather than skating over it. Keep six-monthly check-ups, since decay under a margin is detected on an X-ray long before you feel anything. If you grind, wear the night guard, because clenching is the fastest route to a fractured crown. And treat gum disease properly, since recession is what turns a perfect margin into an exposed one.
An old crown that is still sealing well should be left alone, and a competent dentist will tell you so. The point of a check is to find the ones that are failing quietly, because a crown replaced while the tooth beneath is still healthy is a straightforward two-visit job, whereas the same crown left another eighteen months can turn into a root canal, a post and a rebuild, or into an extraction. If you have a crown over ten years old and cannot remember when it was last X-rayed, that is the one worth looking at.
Book a crown assessment at Mint Dental Care, Barsha Heights (TECOM), Dubai. MOHAP-licensed team, 4.8-star patient rating. Call +971 4 266 6763, WhatsApp us, or book online.
Frequently asked questions
Can a dental crown be replaced at all?
Yes, and it is routine. The old crown is sectioned off, the tooth is assessed and repaired if needed, and a new crown is made. The only limit is how much healthy tooth remains underneath to support the replacement.
Is dental crown replacement painful?
No. The tooth is numbed exactly as it was the first time, and removing the old crown involves pressure and noise rather than pain. Mild sensitivity for a few days afterwards is normal while the tooth settles.
How much does a crown cost in the UAE?
At Mint, 1,500 to 3,000 AED per crown, with any root canal treatment quoted separately at 1,500 to 3,500 AED. Prices across Dubai vary with the material, the laboratory and whether the tooth needs rebuilding first.
How long does a dental crown replacement last?
As long as the original would, typically 10 to 15 years, provided the reason the first one failed has been dealt with. If the cause was decay at the margin and the cleaning habit has not changed, the new one is on the same path.
How long does a dental crown replacement take?
Usually two visits about a week apart, roughly 60 to 90 minutes for the preparation and 30 to 45 for the fit. Where the tooth needs no extra work, a same-day crown is sometimes possible.
Can I keep an old crown that looks fine?
Yes, if it is still sealing. A crown is judged on the integrity of its margin and the health of the tooth underneath, not on its age, and an X-ray at your check-up is what confirms it.
What if the tooth cannot be saved?
Then the discussion turns to extraction and replacement with an implant or a bridge. This is why the fallback plan should be agreed before treatment starts, and why an X-ray beforehand matters.
