Figure 15

Age 14.3. Panographic x-ray. Situation after extraction of 21 due to internal resorption at age 13.5. Situation after surgical removal of 18 and 28 and surgical exposure and bonding of 17, 23, and 27; before attempting orthodontic extrusion of 17, 23, and 27. Note severe idiopathic resorption of teeth 24 and 25.