If the crown is no metal as you mentioned the darkness should not be from metal shining through as happens with metal containing crowns. After root canal treatment darkening of the tooth is common. There are two reasons that the dark area would be showing:1. Gum recession, which is most co...
Dear hdechabert, An upper night guard would be
preferable in your case to protect your upper crowns. It’s also more
comfortable to wear, unless you have a gag reflex. It’s also easier for your
dentist to construct it in protective occlusion (bite) if needed.
My suggestion is to be sure to look at the crowns before they are cemented. Stand up, look at them in different lighting situations. Be picky now because once they are cemented they are yours. You might also asked to have them temporarily cemented so you can look at them at home after your lip...
