If you’ve noticed a dark or black line forming around the base of your dental crown, you’re not alone. This is a common issue, particularly with older porcelain-fused-to-metal (PFM) crowns. While the crown may still function properly, the appearance of a black line can make your smile look less natural.
The good news is that modern dentistry offers solutions to correct the problem and give you a seamless, confident smile.
Why Black Lines Appear Around Crowns
Porcelain-fused-to-metal crowns were once the standard for dental restorations. These crowns use a metal base for strength, which is then covered with porcelain for a tooth-colored appearance. Over time, the porcelain can thin near the gumline, revealing the darker metal underneath.
Additionally, gum recession is a natural process that can occur with age, brushing habits, or periodontal disease. As the gums recede, more of the crown’s edge becomes visible, making the black line even more noticeable.
Are Black Lines Harmful?
The black line itself isn’t harmful—it’s simply the exposed metal margin of the crown. However, it can be a cosmetic concern for many patients, especially if the crown is near the front of the mouth. If you notice additional symptoms such as gum inflammation, pain, or a loose crown, it’s important to see your dentist to ensure there isn’t an underlying problem.
How to Fix the Black Line
The most effective way to eliminate the dark line is to replace the crown with a modern, metal-free option. Today’s all-ceramic and porcelain crowns are strong, durable, and designed to mimic the translucency of natural teeth. With these restorations, you won’t have to worry about dark edges showing through—even if your gums recede over time.
Benefits of Metal-Free Crowns
Switching to a metal-free crown offers both cosmetic and functional advantages:
- A more natural, lifelike appearance
- No dark lines at the gumline
- Biocompatible materials that are gentle on gums
- Long-lasting durability with proper care
If you’re unhappy with the look of your current crown, upgrading to a modern restoration can make a noticeable difference in your smile and your confidence.
A dark line around a crown may not be a dental emergency, but it doesn’t have to be permanent. With today’s advanced options, you can restore your smile to look completely natural.
About the Practice
Denton Dental Center offers comprehensive restorative dentistry to help patients achieve healthy, beautiful smiles. Dr. Balington provides custom dental crowns, including metal-free options that look and feel like natural teeth. With a focus on comfort and quality, we ensure every restoration blends seamlessly with your smile.
Call us at (940) 383-3300 or request an appointment online.