Just like its upper counterpart, the Lower Schwarz is a slow expansion appliance without any occlusal pads. It helps in correcting the maxillary transverse and creating space to align incisors and reduce crowding. Expansion is obtained by activating a screw at a rate of 0.025mm once a week.
Material required for manufacturing
– Upper stone model
– Lower stone model
– Wax bite in c.o.
Patients may choose the colour of their appliances. Regular acrylic is then replaced with coloured acrylic. One to three colours may also be chosen per appliance. These options actually encourage children to cooperate closely during orthodontic treatment