How Long Do Permanent Dental Crowns Last?

edmondsbaydentalco
Aug 27
2 min read

Dental crowns are one of the most common and reliable restorative treatments in modern dentistry. They are used to cover and protect damaged teeth, restore chewing function, and improve the overall appearance of your smile. But one of the most frequently asked questions is: How long do permanent dental crowns actually last?

The answer depends on a variety of factors, including the type of crown, your oral hygiene habits, and your overall dental health. Let’s break it down.

Average Lifespan of Dental Crowns

On average, a well-placed permanent dental crown lasts 10 to 15 years. However, with excellent care, some crowns can last 20 years or more. Crowns are designed to be strong and durable, but like natural teeth, they are not indestructible.

Factors That Affect the Longevity of Crowns

1. Material Used

Porcelain or Ceramic Crowns: Natural-looking but slightly less durable than metal. Usually last 10–15 years.
Porcelain-Fused-to-Metal (PFM): Stronger than all-ceramic crowns, lasting 10–20 years.
Metal Crowns (Gold/Alloy): Extremely durable, often lasting 20+ years.
Zirconia Crowns: Popular for their strength and aesthetics, often lasting 15–20 years.

2. Oral Hygiene

Daily brushing, flossing, and regular dental checkups are crucial. Poor hygiene can lead to decay under the crown or gum disease, shortening its lifespan.

3. Bite and Habits

Teeth grinding (bruxism), nail biting, chewing on pens, or using your teeth to open packages can damage or loosen crowns faster.

4. Placement and Fit

A crown that is properly fitted and bonded by an experienced dentist will naturally last longer.

5. Lifestyle and Diet

Sugary foods, acidic drinks, and smoking can weaken both natural teeth and crowns, indirectly reducing their life expectancy.

Signs That a Crown May Need Replacement

Even the best crowns eventually wear out. You might need a replacement if you notice:

Cracks or chips in the crown
Pain or sensitivity in the crowned tooth
Receding gums around the crown
Crown becoming loose or falling off
Discoloration compared to surrounding teeth

If you experience any of these issues, it’s important to see your dentist promptly to prevent further damage.

Tips to Make Crowns Last Longer

Brush at least twice a day with fluoride toothpaste.
Floss daily, paying attention to the crown edges.
Wear a night guard if you grind your teeth.
Avoid chewing ice, hard candies, or very sticky foods.
Schedule dental checkups every 6 months for professional cleaning and examination.

Final Thoughts

So, how long do permanent dental crowns last? Typically 10–15 years, and in many cases, even longer with proper care. The type of crown you choose, combined with your oral hygiene and lifestyle habits, plays a huge role in how long your crown will stay strong and functional.

Think of a dental crown as an investment in your smile—one that can last decades if you take good care of it. Regular dental visits and healthy habits are the key to maximizing its lifespan.