Fig. 6 Fig. 7 “The technique is also particularly helpful in extraction cases to counteract typical extrusive tooth movement during retraction mechanics.” Fig. 8 Fig. 10 Fig. 9 38 January/February 2012 JAOS accept 18x25 heat-activated nitie arch wires. This force vector produces both an intrusion and retraction force vectors resulting in a counter-clockwise change in the occlusal plane. (Fig. 5-10) A serendipitous benefit of intrud-ing the incisors with this technique is correction of lip incompetency. (Fig. 11-13) The technique is also particularly helpful in extraction cases to counteract typical extrusive tooth movement during retraction mechanics. (Fig. 14-16)
Journal of the American Orthodontic Society January-February 2012: Page 38
