Study of Occlusal-maxillo-facial 3-dimentional Structural Change of Orthodontic Therapy of Crossbite

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Summary: Occlusal-maxillo-facial structural change of crossbite malocclusion after orthodontic thera-py by modified ACTIVATOR appliance was investigated. Eighty crossbite cases of deciduous denti tion and mixed dentition were treated by modified ACTIVATOR
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