Figure 11 - Tooth UL1 (21) was so extensively decayed subgingivally that restoration would have proved impossible even if endodontic treatment had been carried out.
From the following article
Verifiable CPD Paper:
Endodontics: Part 2 Diagnosis and treatment planning
P Carrotte
British Dental Journal 197, 231 - 238 (2004) Published online: 11 September 2004
doi:10.1038/sj.bdj.4811612

