A force of wonder.
The ALF appliance has so many positive benefits. Not only does it not interfere with speech or proper tongue positioning as it expands your palate, it also helps to create a healthy foundation for accurate mandibular positioning, enhanced airway space and a sound bilateral TMJ relationship. So, how does it work? The ALF appliance uses a light, natural, continuous force to open the sutures of the maxilla for lateral expansion and also anterior protraction.