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Why Has a Black Line Formed at the Base of Your Crown?

December 9, 2021

Filed under: Uncategorized — kathylamdds @ 4:04 pm
older woman with glasses smiling showing teeth

We all want to put our best foot forward, and having a healthy, attractive smile is a big part of looking great. If you have had a large cavity or chipped/cracked tooth repaired with a dental crown, you may have noticed a visible tell that gives away the fact that you have had dental work – a black line around the base of the dental crown. It’s a common occurrence with a porcelain-fused-to-metal crown, but there is a solution. 

What Causes the Black Line?

One of the most common ways to place a dental crown is to affix it to a metal base. This is known as “porcelain-fused-to-metal.” It is a good way to create a sturdy foundation for the dental crown. Unfortunately, when placed on the teeth that show when you smile, that pesky gray or black line may be visible, making it obvious that you have had dental work done. Most patients will wish to find a solution so that their smile looks fully natural. 

How to Remove the Black Line around Your Crown

You do have the option of removing this black line to enhance the appearance of your smile. It requires taking out the old porcelain-fused-to-metal crown and replacing it with a crown that is made of pure porcelain. 

Porcelain crowns are very sturdy and will last for years with proper care, and they also look far more natural than crowns that are fused to metal. Without that dark line between your crown and gum, you will not have to worry about everyone knowing you have had dental work performed every time you speak or smile. 

Other advantages of having your crown replaced for a porcelain crown include:

  • It will remove metal from your smile completely
  • Porcelain crowns are custom-designed and, with the most advanced technology, only require two appointments with your dentist
  • The custom design process also provides more accurate results for a better-fitting, potentially longer-lasting crown
  • You can regain a beautiful smile you will look forward to flashing again and again

In conclusion, there is a solution for that visible black or gray line that is taking away from the appearance of your pearly whites. Having the crown replaced with an all-porcelain restoration can help you enjoy your smile confidence once more. 

Meet the Dentist

Dr. Kathy Lam earned her dental degree at Howard University College of Dentistry and has stayed on top of her game through continuing training with Spear Education. Dr. Lam enjoys helping patients regain healthy, beautiful smiles through custom restorations, including all-porcelain crowns. To learn more about this option or to schedule an appointment, contact her office directly by calling (630) 653-7720.

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