80 lateral cephalometric radiographs of the skull in the head's natural position HNP were selected. Patients were male and female age range 9-20 years. Patients came from the Orthodontics Service of the Federico Gomez Children's Hospital, and had not previously received orthopaedic or orthodontic treatment.
Se seleccionaron aleatoriamente 80 telerradiografías laterales de cráneo en posición natural de la cabeza PNC de pacientes masculinos y femeninos entre las edades de 9 y 20 años del Servicio de Ortodoncia del HIMFG, sin previo tratamiento ortopédico u ortodóncico.