Correction to: BMC Oral Health (2021) 21:64 https://doi.org/10.1186/s12903-021-01461-y

After publication of the original article [1], the authors identified an error in Dr. E. S. Abu Alhaija’s affiliations list.

The incorrect affiliations list is:

1Division of Orthodontics, Department of Preventive Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan;

3College of Dental Medicine, Qatar University, P.O. Box 2713, Doha, Qatar.

The correct affiliation is:

3College of Dental Medicine, Qatar University, P.O.Box 2713, Doha, Qatar.

The original article has been corrected.