Can Dental Crowns Get Cavities? Causes, Risks, and Prevention

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By iO Dentistry | October 8, 2025

Dental caps are a common solution for restoring teeth that are weakened by decay or damage. They protect the tooth, enhance its strength, and improve its appearance. However, one question that often comes up is: Can dental crowns get cavities? The answer is that while crowns themselves do not develop cavities, the underlying tooth can still be susceptible to decay if proper care is not taken.

So, are you aware of the risks of cavities forming around crowns and the factors that contribute to tooth decay? Or do you know what you can do to prevent these issues and keep your crown and smile in top condition? Keep reading this blog till the end.

What Causes Cavities Around Tooth Crowns?

When asking if dental crowns get cavities, it’s important to remember that these caps do not experience decay. However, the teeth beneath them can still be affected. Plaque and bacteria can accumulate around the edges of the crown, leading to cavities in the underlying tooth.

Several factors contribute to cavity formation:

So, while the question of whether dental crowns get cavities might be misleading, it is clear that cavities can still form around the crown if proper care is not taken.

Can Dental Crowns Get Cavities on Their Own?

At iO Dentistry Carrollton, we find that most people asking if dental crowns can get cavities on their own are wrong. The precise answer is that these dental restorations cannot develop cavities alone, as they are made of materials like porcelain, metal, or ceramic that are not susceptible to decay. However, the tooth beneath the crown can still be at risk of cavities if the crown doesn’t fit properly or becomes loose.

For example, if a crown has worn down or if there is a small gap between the crown and the tooth, bacteria can seep underneath the crown and cause decay. This can lead to cavities forming around the crown where the tooth is exposed. So, even though the crown itself doesn’t get cavities, the surrounding tooth can still face the risk of decay.

Preventing Cavities Around Tooth Crowns

If you’re wondering if dental crowns get cavities, the best way to protect them and the underlying tooth is by maintaining excellent oral hygiene. Here are a few tips to prevent cavities from forming around your dental restorations:

By following these simple tips, you can reduce the risk of cavities forming around your tooth caps and maintain a healthy, beautiful smile.

Maintain Your Oral Health for Long-Lasting Dental Restorations

So, can dental crowns get cavities? The answer is no, they themselves don’t get cavities. However, the tooth beneath the crown can still develop cavities if proper care isn’t taken. Maintaining good oral hygiene, getting regular dental checkups, and avoiding harmful foods can help protect both your dental crown and the underlying tooth.

At iO Dentistry Carrollton, we are committed to helping you maintain a healthy smile for years to come. Schedule an appointment today if you have concerns about your dental restorations or want a checkup, and our team will ensure your smile stays in great shape.