The Open Dentistry Journal

ISSN: 1874-2106 ― Volume 14, 2020

Prevalence of Traumatic Dental Injuries in Patients Attending University of Alberta Emergency Clinic

Thamer Alkhadraa, William Preshingb, Tarek El-Bialyb, *
a Faculty of Dentistry, King Saud University, Riyadh, Saudi Arabia
b Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada



This study evaluated the prevalence of dental trauma for patients attending the emergency dental clinic at the University of Alberta Hospital between 2006-2009. Patients’ examination and treatment charts were reviewed.


Total number of patients’ charts was 1893.The prevalence of different types of trauma was 6.4 % of the total cases (117 patients). Trauma cases were identified according to Ellis classification and as modified by Holland et al., 1988.


Logistic statistical model showed that 21.7% were Ellis class I trauma, 16.7% were Ellis class II trauma, and 6.7% were Ellis class III. In addition, 11.7 % presented with avulsion, 7.5 % presented with dentoalveolar fracture and 7.5% presented with sublaxation. Also, 17.55 % presented with tooth displacement within the alveolar bone, 3.3 % presented with crown fracture with no pulp involvement, 4.16 % presented with crown fracture with pulp involvement and 3.3 % presented with root fracture. In conclusion, the general prevalence of dentoalveolar trauma in patients attending the emergency clinic at the University of Alberta is less than other reported percentages in Canada or other countries.

Keywords: Alberta, Canada, Dentoalveolar trauma, Prevalence.

Article Information

Identifiers and Pagination:

Year: 2016
Volume: 10
First Page: 315
Last Page: 321
Publisher Id: TODENTJ-10-315
DOI: 10.2174/1874210601610010315

Article History:

Received Date: 01/10/2015
Revision Received Date: 01/04/2016
Acceptance Date: 06/05/2016
Electronic publication date: 15/06/2016
Collection year: 2016

© Alkhadra et al. ; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada; Tel: 1-(780)-492-2751; Fax: 1-(780) 492-2624; E-mail:

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