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Dental Health  (Expert Forum)
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black spot on tooth after filling cavity
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Questions in the Dental Health forum are answered by Dr. Jerome Tsang and Dr. Jerome Bogin. Topics covered include bridges, cavities, crowns, and x-rays.

black spot on tooth after filling cavity

by james567, Mar 22, 2006 12:00AM
Hello,

I had a cavity filled in the last week of January or so. After the cavity was filled with a composite resin (white colour filling) there was a slight brown color spot on the surface of the tooth.

I showed this to the dentist again after a week and he used the drill and removed the patch saying it was not a cavity.



Now again after about a month the patch has reappeared, only now it is completely black and can be clearly noticed. The tooth seems to be a little more sensitive now too. Any ideas on what this patch is and why it has re-occurred ?



Thanks,

James

by Jerome Bogin, D.D.S. , Mar 22, 2006 12:00AM
It sounds like some part of the tooth is exposed. I would suggest to revisit the dentist to get further treatment on the tooth.
Member Comments (2)

by funkynina, Mar 25, 2006 12:00AM
I would go to anoter dentist and get a second opinion. You don't want your tooth to be worked on too many times because it can aggrovate the nerve and cause more damage, but if the filling is leaking you have a problem too. Sometimes with a tooth colored filling you can get blood in the material and it looks brown or an instrument could rub off some residue into the filling material. Just let someone else do an x-ray and they should be able to tell if there is a space between your filling and tooth structure. This is odd though. I've never seen a filling do this, and I've seen lots of fillings! I wander if some amalgam from another patient was on the instrument and them transfered into your filling material. I'm not saying the instrument wasn't clean, but sometimes when you sterilize instruments things get sort of baked on. I wouldn't let someone just do a "patch job" on my tooth! Good-luck!!
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