Orthodontic WiresOrthodontic Appliance DesignFrictionStainless SteelDental AlloysTooth MovementOrthodontic BracketsDental Stress AnalysisElastomersTitaniumOrthodontic RetainersMaterials TestingNickelPeriapical DiseasesIncisorDermatologic Surgical ProceduresTorqueCuspidBicuspidEquipment and SuppliesOrthodontic AppliancesDental ModelsRoot ResorptionEquipment FailureDuctus Arteriosus, PatentMandibleEquipment DesignMalocclusionCone-Beam Computed TomographyMaxillaMolarEmbolization, TherapeuticCatheterizationSurface PropertiesAnalysis of VarianceStress, MechanicalDental BondingStatistics, NonparametricBody HeightCardiac CatheterizationReproducibility of ResultsTreatment OutcomeFollow-Up StudiesTime FactorsPlasmidsProspective StudiesEscherichia coliUnited StatesRisk Factors