Orthodontic treatment modalities of intrusion: a review

Orthodontic intrusion is a common treatment approach in managing orthodontic esthetic and functional problems. Intrusion often constitutes an integral part of orthodontic treatment in order to improve sagittal and vertical incisor relationships. In this article we are trying to review all the appliances in a manner of their evolution, beginning from removal appliances used initially, discussing role of functional appliances, head gears, intrusion arches, implants, magnets and surgical procedures etc. in treatment of intrusion.