Non-vital teeth with incorrect root canal treatment can, and often do, change their color as time passes. Some of them can change their color in grey, pink, brown or other shades. This is due to the deposition of degraded blood left from the incomplete pulp removal, or sometimes the root canal filling materials used as a part of the „old school”.
Regardless of the cause, the discoloration of the tooth can, and should be corrected. To begin with, we must find out the reason of this discoloration. If the root canal treatment it is not correct (read -how to see when …
