Dark Lines Between Gums and Veneers - Receding Gums or Cheap Veneers?

I'm thinking about getting veneers, but it worries me when I see people with dark lines between their gums and veneers. Is this from receding gums or cheap veneers? Will have eventually have this dark area after a few years with veneers?

Doctor Answers 4

Veneers should be virtually undetectable

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Usually if you see a dark line at the gumline on a patient who's had dental work done, it is a porcelain-metal crown.  Often the metal margin was buried below the gum tissue to hide it, but then over time it irritates the gums, makes them recede, and then the margin is noticeable.  Well done veneers have a margin above the gum tissue, making them easy to clean and they should blend into the natural tooth to be virtually undetectable.

Chicago Dentist

WIth Veneers will I have dark lines around the gums?

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The dark lines that you see around the edges of the veneers, or rather, most likely old dental crowns are from dentistry years ago. One of the advantages of porcelain veneers is that they can be made to match very well around the gum line, in fact almost all the time they are not visible at all. 

If you still have questions, then ask your cosmetic dentist to show you some of his before and after cosmetic dentistry photos. 

One of the goals of well done cosmetic dentistry is to make sure that you look great and that the result looks as good (or hopefully better!) than what you imagined. 

No dark lines with veneers.

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The dark line that you have probably seen is above a old crown and its probably the metal lpart of the crown that is showing. Veneers are very thin in the area in question and will look very natural for years and years. If you have a dead tooth then the veneer needs to be a bit thicker to cover the darker tooth from showing thru..

Michael J. Thomas, DDS
Los Angeles Dentist

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Dark lines below veneers is not normal

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What you have seen may not have been veneers, but old fashioned crowns that have metal substructures (called PFMs or porcelain fused to metal).  Some labs and dentists make them where there is a bit showing at the edges, and if gums recede they are seen.

If no metal is used, then if gums recede only tooth structure is seen.

Sometimes, if veneers were not done properly, fluids can stain the edges.  This would be very obvious after gum recession, but some stains can affect half of the veneer and not just the edges.  This usually means the veneers must be redone.

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.