Background: Several studies have demonstrated the application of mini-implants in the orthodontic treatment as anchorage during the retraction movement of the anterior teeth.
Purpose: This study was designed to evaluate the mass retraction movement of the anterior upper teeth using orthodontic mini-implants as anchorage.
Materials And Methods: Nine patients with class I malocclusion and Angle's class II, needing extractions of the upper first premolars, were enrolled in this case series.