1 Department of Orthodontics, Dental Faculty, Tehran University of Medical Sciences, Tehran, IR Iran

2 Department of Orthodontics, Dental Faculty, Arak University of Medical Sciences, Arak, IR Iran


Introduction: A bilateral scissors-bite is an uncommon malocclusion and its treatment is difficult. At younger age, it can be treated non-surgically.
Case Presentation: This case report describes successful treatment of a class II division 2 malocclusion with bilateral scissors-bite by fixed appliance. Treatment was completed with the aid of a modified lingual arch, constricted transpalatal arch and repeated arch coordinations.
Conclusions: After treatment, the patient had normal overjet, normal overbite and functional occlusion. Scissors-bite was eliminated. The patient will refer for advancement genioplasty at the proper age for more facial harmony.