Dark tooth still showing after porcelain crown.

Question

I had a root canal way back. Years after, my tooth started to darken, particularly near the gumline. My dentist suggested a veneer. It didn't cover it all thoug it lessened a bit. It kept bothering me so I finally opted for an all porcelain crown. Now, its still dark and seems to cast a shadow over the whole tooth. What other options do I have? Is this because the root canal was done poorly?

Anthony Mobasser, DDS, DMD · Answer

Dark tooth needed to have 100% block out, to hide the dark portion of the tooth! Not all Porcelain crowns can block out the dark tooth, and you might see show through. If you wanted to have complete block out, then a porcelain fused to metal crown will assure 100% block out, among many other factors to be considered.....Root canal therapy can cause dark tooth due to lack of blood supply, but if the root canal is not infected, then you are alright. We also will be needing xray, and picture to advise further! Check with your dentist first for a solution, if not find an expert crown specialist to get a second opinion.

Kourosh Maddahi, DDS · Answer

Hi:
Unfortunately without photo and X-ray it is difficult to give you accurate advice.  Please post photo and X-ray of the affected area.
Best,

Dark tooth still showing after porcelain crown.

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