billing code D6253: provisional pontic Pontic utilized as an interim of at least six months duration during restorative treatment to allow adequate time for healing or completion of other procedures. This is not to be used as a temporary pontic for routine prosthetic fixed partial dentures. ISBN:1935201387#CDT 2011-2012 Current Dental Terminology, Chapter 1 D6253 provisional pontic billing code for fixed partial denture pontics