Why has a black line appeared at the top of a tooth that has been crowned?

Q.
Hello,
I have had my crowns for about three years now and a blackline has started to appear at the top of the teeth, should I have new crowns fitted, or a veneers a better option?
thanks
A.
You can’t really go for veneers after you’ve already had crowns. I would consider all-porcelain crowns they don’t have any metal in them
Dr Andrew Moore Advance Dental Clinic 104 Moulsham Street, Chelmsford, Essex, CM2 0JG Web: www.advancedentalclinic.com Tel: 08443 87 87 88 View My Profile Dr Moore

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