E arch expansion orthodontic model, appliance can be used for dental expansion in both the maxillary and mandibular arches. Expansion is achieved not through the use of a screw, but by the constant pressure applied by a compressed length of coil spring.
Orthodontic Retainer Model features excellent demonstration and teaching tool for Orthodontic Dental Schools and Students who desired to learn, practice Orthodontic Techniques in Dental School, at home, on the go. This techniques a mast foundation of future professional orthodontic practice.
