A story of dental injury and orthodontics.

Approximately ten percent of patients who seek orthodontic treatment have experienced a Traumatic Dental Injury (TDI). TDI occurs in different age groups ranging from preschool children to adults. Both primary and permanent teeth can be injured, and the sequelae of TDI complicate orthodontic treatment. This article gives a review on the epidemiology and etiology of TDI, and also the relation between TDI and orthodontics.