A collection of infected material (pus) resulting from bacterial infection of the center (pulp) of a tooth.
Review Date 2/5/2018
Updated by: Ilona Fotek, DMD, MS, Dental Healing Arts, Jupiter, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.