Crowns have been used for decades because they are durable and effective. Whether used to prevent a weakened tooth from breaking or repairing significant decay, a crown can last for a decade or more with the right care. You might be surprised to see a black line around the dental crown as time passes. This is a common issue for patients with metal or porcelain fused to metal restorations. Don’t worry, your dentist has the solutions you need to erase the line.
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