根據(jù)下頜和半月板可移動的關節(jié)，調(diào)節(jié)咬合關系的前咬合板及上中切牙，有效形象地展示了安氏Ⅰ類、Ⅱ類1分類、Ⅲ類錯頜畸形。 Enlarged side view of the mandible and joint portions with movable meniscus.Replaceable upper bite forms effectively demonstratemalocclusions class1,2-1,22,3.Complete with an anterior bite splint fitting over the central incisor.