orthodontic functional appliances

Clark Twin Block Appliance

The Twin Block Appliance was developed by Dr. William Clark during the early 1980s. The appliances are separated upper and lower appliances consisting of two bite blocks. The blocks are designed to interlock at 70 degrees such that the mandible is held in a protrusive position. Which in time eliminates the over jet. When acrylic is removed from the upper blocks, eruption of the lower first molars occurs eliminating deep bite and overbite.

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Why Work with China Orthodontic Lab?

China Orthodontic Laboratory is a full service orthodontic lab specializing in removable and fixed appliances. The lab also produces digital study models, mouth guards, sleep apnea appliances, functional appliances, the Herbst appliances, and many other custom designs. We offer a diverse and considerable choice of colors and designs for the appliances that are sure to please all age ranges.

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