
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.
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