Impact of Complicated and Uncomplicated Traumatic Dental Injuries on Oral Health-related Quality of Life of a Group of Preschool Children and Their Families

Inclusion Criteria: * Children with traumatized primary teeth whose age ranges from 2\<6, whose parents accept participation in study. Exclusion Criteria: * Children with mixed dentition. * Children who presented absence of anterior teeth due to natural exfoliation * Presence of crown defects not due to trauma. * Children with previous orthodontic treatment or undergoing this treatment at the time of the study. * Children with systemic or neuromotor diseases or had difficulties with communication.