To expand or not to expand?

摘要

During my orthodontic training, in the early 90’s, the lower arch dimensions were inviolable. On the other hand, expansions of the upper arch were obtained, in children, by palatal expansions, while in adults they were carried out by means of surgically-assisted expansion. However, not always the face and the malocclusion have the same needs. It isn’t rare to be in doubt on when to align teeth in patients with concave profiles, that would not benefit from tooth extractions. On the contrary, they could much benefit from dental expansion and tooth projection.