Erratum to: J. Maxillofac. Oral Surg. (2014) DOI 10.1007/s12663-013-0555-y

The affiliation of the corresponding author was listed incorrectly. The correct affiliation is

R. M. A. Al-Delayme

Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Dijlah University College, Baghdad, Iraq