AMO: Wassmund Technique

The anterior maxillary osteotomy (AMO) is employed primarily to reposition the anterior dento-osseous segment posteriorly (setback). It is also used to move the segment superiorly or inferiorly as indicated. The Wassmund technique is a tunneling technique with the focus on optimal perfusion of the anterior maxillary segment. This technique guarantees the perfusion of the segment from anteriorly—premaxilla, primary palate—and from the palatal side—palatine process, secondary palate.