How long do dental crowns last?

Dental crowns are designed to be strong and long-lasting, but they are not permanent. On average, dental crowns last between 10 and 15 years. With excellent care and the right conditions, some crowns can last 20 years or more. How long your dental crown lasts depends on several factors, including the material used, your oral hygiene habits, your bite, and whether you grind your teeth.

Below, you’ll find a detailed guide on how long different types of dental crowns last, what affects their lifespan, and how to make your crowns last as long as possible.

Average lifespan of dental crowns

Most dentists estimate that dental crowns last:

10–15 years on average
15–20+ years with good oral hygiene and favorable conditions
Sometimes less than 10 years if exposed to heavy wear, poor care, or untreated habits like teeth grinding

A crown doesn’t “expire” on a specific date, but over time it may:

Wear down
Chip, crack, or break
Develop gaps between the crown and tooth
Allow decay to form underneath
Become loose or fall off

Your dentist will evaluate your crown at each checkup to decide when it needs repair or replacement.

How long different types of dental crowns last

Porcelain-fused-to-metal (PFM) crowns

Average lifespan: 10–15 years
What they are: A metal base covered with tooth-colored porcelain
Pros:
- Strong and durable
- Good balance of strength and aesthetics
Cons:
- Porcelain can chip over time
- A dark metal “line” may appear near the gum as gums recede

PFM crowns are commonly used for back teeth where strength is essential.

All-ceramic / all-porcelain crowns

Average lifespan: 10–15 years
What they are: Made entirely of ceramic or porcelain, with no metal
Pros:
- Excellent aesthetics and natural appearance
- Ideal for front teeth
Cons:
- Slightly more prone to chipping or cracking than metal-based crowns

With good care and mild biting forces, all-ceramic crowns can last well beyond a decade.

Zirconia crowns

Average lifespan: 15–20+ years
What they are: Made from zirconium dioxide, a very strong ceramic material
Pros:
- Extremely strong and fracture-resistant
- Good aesthetics, especially in newer translucent zirconia
Cons:
- Can be a bit more abrasive to opposing teeth if not polished properly

Zirconia crowns are often chosen for molars and patients who need extra strength.

Gold and other metal crowns

Average lifespan: 20+ years (often the longest-lasting type)
What they are: Crowns made from gold alloy or other dental metals
Pros:
- Very durable and wear-resistant
- Gentle on opposing teeth
- Less likely to chip or break
Cons:
- Metallic appearance makes them less popular for front teeth

Many gold crowns last several decades when placed on back teeth in patients with good oral hygiene.

Temporary crowns

Average lifespan: A few weeks to a few months
Purpose: Protect the tooth while your permanent crown is being made
Important: Temporary crowns are not designed for long-term use and are more likely to break or come off if kept too long.

Key factors that affect how long dental crowns last

1. Oral hygiene

Good oral hygiene doesn’t just protect your natural teeth—it also extends the life of your crowns.

Plaque and bacteria can build up around the edges of crowns
Decay can form under the crown where tooth structure remains
Gum disease can lead to gum recession and loss of support around the crowned tooth

To protect your crowns:

Brush twice daily with fluoride toothpaste
Floss at least once a day, including around your crowns
Consider interdental brushes or water flossers if you have multiple crowns or bridges

2. Biting and chewing forces

How hard you bite and what you bite into greatly affects crown longevity.

Habits that increase wear or damage include:

Teeth grinding or clenching (bruxism)
Chewing ice, hard candy, or popcorn kernels
Using your teeth to open packages or bite non-food items
Frequently biting on very hard foods (e.g., bones, hard nuts)

If you have a strong bite or grind your teeth, your dentist may recommend:

A night guard (bite guard) to protect your crowns while you sleep
Stronger crown materials, such as zirconia or metal, especially on back teeth

3. Crown material and placement

Back teeth (molars and premolars): Experience more pressure, so stronger materials like PFM, zirconia, or metal tend to last longer.
Front teeth (incisors and canines): Less force but higher cosmetic demands, so all-ceramic or porcelain crowns are common.

The better matched the crown material is to its location and your bite, the longer it usually lasts.

4. Quality of the dental work

The skill and precision of the dentist and lab matter.

Factors that influence crown longevity:

How well the tooth is prepared
How accurately the crown fits and seals around the tooth
The quality of the impression or digital scan
The quality of materials used in the lab

A well-made, well-fitting crown reduces the risk of:

Gaps allowing bacteria and decay
Looseness or early failure
Recurrent pain or sensitivity

5. Overall dental health and habits

Your overall oral health and lifestyle can extend or shorten the lifespan of your crowns:

Regular dental checkups: Allow early detection of small problems before they turn into big ones
Diet: High sugar and acidic foods increase decay risk around crowns
Smoking: Raises risk of gum disease, which can weaken support around crowned teeth
Chronic conditions: Issues like dry mouth (from medications or medical conditions) can increase decay risk

Signs your dental crown may need to be replaced

Even if your crown is within the “average lifespan,” you might need a replacement if you notice:

Pain or sensitivity when biting or consuming hot/cold foods
Visible cracks, chips, or wear on the crown
Looseness or the feeling that the crown is “moving”
Dark lines at the gumline (could be cosmetic or a sign of metal exposure/gum recession)
Redness, swelling, or bleeding around the crowned tooth
Bad taste or odor from the area (possible decay or trapped bacteria)

If a crown comes off entirely:

Do not try to glue it back yourself
Keep the crown safe and contact your dentist as soon as possible
Your dentist may re-cement it if the tooth and crown are still in good condition

Can a dental crown last a lifetime?

Yes, some dental crowns do last a lifetime, especially:

Gold or metal crowns on back teeth
Crowns placed on teeth with good alignment and healthy surrounding gums
Crowns in patients who maintain excellent oral hygiene and avoid damaging habits

However, most people should expect to replace at least some crowns after 10–20 years due to normal wear, gum changes, or decay developing underneath.

How to make your dental crowns last longer

Follow these practical tips to extend the life of your crowns:

Maintain excellent oral hygiene

Brush twice daily with a soft-bristled toothbrush
Use fluoride toothpaste to protect any exposed tooth structure
Floss daily, carefully sliding the floss around the crown margins
Consider mouthwash if recommended by your dentist

Protect against grinding and clenching

If you grind your teeth, ask your dentist about a night guard
Manage stress, which often contributes to clenching
Avoid chewing on pens, fingernails, or other hard objects

Be mindful of what you chew

Avoid chewing ice, hard candy, and non-food items
Use caution with very sticky foods (like caramels) that could pull on the crown
Cut very hard foods into smaller pieces to reduce biting pressure

Keep regular dental appointments

See your dentist every 6–12 months, or as recommended
Have your crowns checked for wear, cracks, or looseness
Get periodic X-rays to check for decay under or around crowns

Frequently asked questions about how long dental crowns last

Is it normal for a crown to last only 5 years?

A crown that fails in under 5 years is on the shorter end of the expected lifespan. Possible reasons include:

Heavy grinding or clenching
Poor oral hygiene leading to decay under the crown
Poor fit or underlying tooth problems
Trauma or biting very hard objects

If your crown didn’t last long, discuss the possible causes with your dentist before replacing it.

How do I know if my crown is failing?

Common warning signs include:

Pain, sensitivity, or pressure when biting
Visible damage (chips, fractures)
Movement or looseness
Gum changes or swelling around the crown
Darkening or discoloration at the edges

Any of these should prompt a dental exam.

Do dental crowns ever need to be replaced even if they feel fine?

Yes. Your dentist may recommend replacing a crown if:

There is decay under the crown
The fit is no longer good due to gum recession or tooth changes
It’s structurally compromised and at risk of breaking
You want to improve the appearance of an older or discolored crown

Often, issues are caught at routine checkups before you feel any discomfort.

Does the tooth under the crown still decay?

Yes. The tooth underneath a crown can still develop decay, especially around the edges where the crown meets the natural tooth. That’s why brushing, flossing, and regular checkups are just as important for crowned teeth as for natural ones.

Are crowns a permanent solution?

Crowns are considered a long-term but not always permanent solution. They protect and restore damaged teeth for many years, but most will eventually need replacement due to normal wear, gum changes, or underlying tooth issues.

Summary: How long do dental crowns last?

Average lifespan: 10–15 years
Extended lifespan: 15–20+ years with good care
Material matters: Metal and zirconia often last longest; porcelain and ceramic offer excellent aesthetics but can be more vulnerable to chipping
Care is critical: Oral hygiene, diet, bite habits, and regular dental visits all directly impact how long your crowns last

If you already have crowns or are considering one, the best way to maximize their lifespan is to maintain excellent oral care, protect your teeth from excess force, and see your dentist regularly for professional evaluation and maintenance.