Correction of a severely rotated maxillary central incisor with the Whip device.

The following case report presents an appliance named Whip device used for the correction of severe rotations of anterior teeth in pre-adolescent patient. A 9-year-old boy with a severe 90 degrees rotation of upper left central incisor was treated with a Whip appliance. After 3 months of treatment, the position of the upper left central incisor was orthodontically corrected.