Twin Block Appliance Ortholab | China Orthodontic
shared by ortholabchina on Sep 06
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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 in...
terlock 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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