How do you repair a veneer when a black gum line appears near the gum line?
Dr. Sam Muslin Answers: The best way to repair a black line around a porcelain veneer is to remove it and replace it.
There is no way to patch the black gum line or try to repair the veneer with composite resin because it will stain within a year or so. The best way to repair a veneer is to replace the veneer. The tricky part is matching the color of the old porcelain veneers with the new porcelain veneers. This will separate the best cosmetic dentists from the rest of them.
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Non-Surgical Mouth Reconstruction and Facelift Dentistry, Santa Monica, CA