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ObjectivesTo analyze the stress distribution on the PDL of the maxillary first molar in a mixed dentition Class III malocclusion, using a Hyrax‐type appliance and maxillary protraction.
Setting and Sample PopulationA Class III malocclusion in the mixed dentition was reconstructed based on CBCT images.
Material and MethodsThe 3D FEM comprised the maxilla, alveolar bone, right first permanent molar...
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