The most common etiologic factor is lack of space for the permanent incisors; the upper incisors adopt a lingual position in relation to the dental arch line and erupt in cross-bite. His mother is concerned about appearance. Cephalometric data before orthopedic treatment. The posterior facial height AFP was 73 mm before treatment and 75 mm at the end, increasing its value 2 mm. Camacho J, Altamirano M.
nest...