Series 2000® Mandibular Advancement Designs   EAS-2000™ *EAS-2000™ or “Expanding Advancing Sheath” combines the MAX-2000™ design for maxillary transverse movement with mandibular advancing mechanics for skeletal Class II correction. The lower appliance designs incorporate Series 2000™ options for either development of arch width, arch length or extraction space closure. click for larger view   EAS MSX-2000™ EAS MSX-2000™ is a totally spring activated appliance requiring only recall observation visits. The MSX-2000™ employs the nickel titanium open coil spring rodtube mechanism bilaterally and replaces the midline jackscrew with nickel titanium open coil spring rod-tube mechanism. click for larger view     EAS MJX-2000™ EAS MJX-2000® is a lower arch developing appliance that utilizes a midline jackscrew for arch width and a lingual nickel titanium open coil spring rod-tube mechanisms bilaterally for distalizing molars simultaneously gaining arch length. click for larger view   EAS MSC-2000™ EAS MSC-2000™ or “Mandibular Spring Closure” is excellent for bodily advancing molars mesially where second icuspids have been removed. The unique rod-tube and titanium spring produces light force for space closure without crown tipping. The self adjusting springs require no adjustments once the appliance is cemented in place. click for larger view