The orthodontic treatment of a missing upper lateral incisor involves the decision of opening or closing the space. Among the
different factors that are fundamental in the decision making process of the treatment plan, we find the patient’s occlusion, facial
morphology and age.
If the treatment plan calls for opening the space of the missing lateral incisor, single implants are nowadays the treatment of
choice if they satisfy the patient’s functional and aesthetic needs. This article presents an alternative treatment plan for opening
space in a patient with a missing lateral incisor; space is opened in a posterior zone that does not risk anterior esthetics.
(Rev Esp Ortod. 2008;38(1):059-066)