Went in for bonding repair on chipped front top tooth next to PFM crown. Dentist suggested 2 crowns, 1 to replace the PFM crown (14 years old) with all ceramic for aesthetic reasons (grey margin, translucency, etc.) and the other for a better match. I agreed and came back to have the teeth prepped. Asked about whitening and he gave me treswhite take home trays and said he would order the crowns at A1 (currently C1). Concerned as the metal post is very obvious with temp crown (see picture).
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October 2, 2012
Answer: Temporary dental crowns not as opaque as final crowns
If a crown has an open margin, crack, and leakage of some sort the odor can occur. But you said, you replaced it and it did not help. So, either the new crown is still having leakage issues, or your tooth underneath is cracked below the gum line . If the latter, then you need to extract, place...
It sounds like you probably have a small pit in the enamel which has picked up some stain and usually does not require any treatment. However, if you are concerned I would have your dentist have a look at it and set your mind at ease.
ZIrconia crowns are used a lot now because they have tremendous strength. But almost every material can be broken or chipped when placed under the wrong conditions.
Typically if it's four front incisor teeth, they are made as single separate crowns. Occasionally and rarely, sometimes there...