Dental crowns are a common solution for restoring damaged teeth, but some patients may notice the development of black lines around their gumline. This phenomenon can be concerning, but understanding the reasons behind it and exploring alternative solutions can bring relief and restore your smile.

If you want to unravel the mystery behind the black rings, continue reading. You’ll learn more about dental crowns and what causes the dark lines to appear.

So, Where Do the Black Lines Come From?

Black lines around dental crowns are often the result of a visible metal margin near the gumline. Lower-quality porcelain-fused-to-metal crowns have a metal base layer, and over time, this metal margin can become exposed, creating the appearance of a dark line.

How Does the Black Line Actually Occur?

The exposure of the metal margin can occur due to gum recession or changes in the soft tissues around the crown. This not only impacts the aesthetic appeal of the restoration but can also cause discomfort and compromise oral health.

For example, gum disease can cause gum recession which will expose the rim of the crown around the tooth. Even if your dentist did hide the metal under your gumline, it would now be exposed.

How Do I Fix the Issue?

If you’re getting a new crown, consider opting for a metal-free restoration. All-ceramic versions, eliminate the metal base, providing a more natural look that won’t expose a black line. Metal-free crowns are durable, biocompatible, and can be customized to match the shade of your natural teeth.

If you’ve already had work done, talk with your dentist. You may have the option of replacing existing crowns with metal-free alternatives. They’ll need to remove the old crowns, clean your teeth, and place the new metal-free prosthetic in its place.

While black lines around your dental crowns can be disheartening, modern advancements in restorative dentistry can help. If you’ve had dark lines appearing over your crowns, schedule an appointment with your dentist. Together you can explore the best approach to restore your crowns and reclaim your smile.

About the Practice

At Framingham Premier Dental, Dr. Marianna Gaitsgory and Dr. Jean-Marie Biebuyk work together to provide top-quality dental care to all of their patients. They both share a passion for utilizing the latest advances in dental technology to provide a comfortable and efficient experience to build trust and confidence. If you need dental treatment, you’re in good hands. To schedule a dental crown consultation, call (508) 875-0900 or visit the website to learn more.



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