An original approach of maxillary transversal deficiency with lingual orthodontics

The difficulty of management of a transverse maxillary hypoplasia is to choose the right treatment and the appropriate tools. When transverse maxillary insufficient is associated to sagittal and/or vertical discrepancies in adults, the gold standard treatment is a surgical procedure combined with orthodontic treatment. The surgical procedure can be done in 1 or 2 stages. If the patient chooses a lingual orthodontic technique, the tools for expansion and the stabilization of expansion are not simple to use. The aim of this article is to report the case of a 25-year-old male patient, referred to our cabinet for skeletal Class-III malocclusion associated with laterognathism and transverse maxillary deficiency. The patient underwent one-stage surgery. He choose to be treated by a lingual orthodontic technique, we used the FKS® disjunction device.