billing code D2799: provisional crown D2799 Crown utilized as an interim restoration of at least six months duration during restorative treatment to allow adequate time for healing or completion of other procedures. This includes, but is not limited to changing vertical dimension, completing periodontal therapy or cracked-tooth syndrome. This is not to be used as a temporary crown for a routine prosthetic restoration. ISBN:1935201387#CDT 2011-2012 Current Dental Terminology, Chapter 1 provisional crown billing code for crowns - single restorations only