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Even though very few technological advancements have occurred in orthodontics in recent years, the search for more efficient treatment has not stopped. This lecture aims to analyze in a logical manner how one of longest phases of orthodontic treatment can be improved. The leveling of a deep curve of Spee can be joint into the alignment phase, through a method called Early Vertical Correction (EVC). This technique comprises the addition of two cantilevers to the initial flexible wire, in order to start the treatment of the vertical relationship as early as possible. The force system produced is described and discussed, as well as how to control the side effects of this technique. Using the EVC, treatment time can be decreased in cases with deep curve of Spee since two phases of the orthodontic treatment which are normally undertaken necessarily one after another could occur at the same time.
Learning Objectives:
Identify the rationale behind the use of early vertical correction in order to decrease treatment time.
Distinguish the mechanics behind early vertical correction from that of conventional straightwire.
