Microjaw deformity, that is, short jaw deformity, can be caused by congenital and developmental disorders, or acquired. Common congenital diseases are due to genetic factors, such as T-Collins syndrome. Developmental micrognathia is usually caused by childhood trauma, infection or birth injury, which damages condyle and affects the development of mandible.

Acquired micrognathia can be seen after traumatic fracture malposition healing and tumor resection. Micrognathia not only affects aesthetics, but also has occlusion.

Relationship obstacle

Snoring and other airway obstruction.

Shape. Orthodontic treatment is usually performed after 3-6 months of fixation to correct abnormal occlusion.

We usually use mandibular lengthening combined with orthodontics to treat micrognathia, and achieved good results.