Mordida cruzada anterior y posterior tratamiento ortodóncico-ortopédico con expansor Hyrax

[摘要] Female patient of 14 years 8 months of age. Clinical and radiographic evaluation was: Class III skeletal, hyperdivergent, bilateral molar class III, bilateral canine class II, bilateral anterior and posterior crossbite, maxillary collapse, ectopic canines, severe upper and slight crowding in inferior, lateral palatal incisors , decreased overbite. The treatment consisted of orthopedic phase that consisted of the correction of the anterior and posterior crossbite by the expansion with Hyrax. Then the orthodontic phase was continued for the correction of maxillary and mandibular crowding with alignment and leveling phase, obtaining the molar class I and bilateral canine through the use of intramaxillary and intermaxillary elastics. The apparatus used Braoth prescription prescription Roth .022 x .028, tubes bondeables in 6's and 7's upper and lower. The retention in charge of upper and lower circumferential, time of active treatment 3 years 7 months.

[学科分类] 口腔科学

[关键词] Class III skeletal;ectopic tooth;maxillary collapse;crossbite.