Cephalometric superimposition in orthodontics-A review

Superimposition is a method where serial cephalometric radiographs or tracings are taken for the same patient at different time intervals that is before, during and after treatment and superimposed on the biologically defined plane or surface to study changes in jaw and tooth positions respectively as a result from growth, treatment or a combination of two. With the progress of the orthodontic treatment as well as growth, detailed follow-up is important to monitor the changes from the treatment mechanics applied in order to enhance the dental and jaw function and dentofacial esthetics of an individual. The article aims at presenting a comprehensive review on the various methods of superimposition for proper evaluation of changes occurring in an individual following growth and treatment.