discolaration of marginal gingiva in metal ceramic crowns

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This topic has 2 replies, 3 voices, and was last updated 04/02/2011 at 3:59 pm by Anonymous.

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03/02/2011 at 8:44 pm #11725

geetha
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what are the causes for discolaration of marginal gingiva in metal ceramic crowns…………especially in anterior teeth…………



04/02/2011 at 1:04 pm #16792

tirath
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improper preparation of margins while crown cutting



04/02/2011 at 3:59 pm #16793

Anonymous

It may also be due to pesence of a metal collar at the cervical part of the crown.
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