正畸治疗时牙齿移动引起的骨开裂课件整理-002

6、纪律是自由的第一条件。——黑格尔7、纪律是集体的面貌，集体的声音，集体的动作，集体的表情，集体的信念。——马卡连柯8、我们现在必须完全保持党的纪律，否则一切都会陷入污泥中。——马克思9、学校没有纪律便如磨坊没有水。——夸美纽斯10、一个人应该：活泼而守纪律，天真而不幼稚，勇敢而鲁莽，倔强而有原则，热情而不冲动，乐观而不盲目。——马克思正畸治疗时牙齿移动引起的骨开裂正畸治疗时牙齿移动引起的骨开裂6、纪律是自由的第一条件。——黑格尔7、纪律是集体的面貌，集体的声音，集体的动作，集体的表情，集体的信念。——马卡连柯8、我们现在必须完全保持党的纪律，否则一切都会陷入污泥中。——马克思9、学校没有纪律便如磨坊没有水。——夸美纽斯10、一个人应该：活泼而守纪律，天真而不幼稚，勇敢而鲁莽，倔强而有原则，热情而不冲动，乐观而不盲目。——马克思正畸治疗时牙齿移动引起的骨开裂ThephenomenonofbonedehiscencesDefinitionanteriortoothmovementexceedsbonyappositioncanleadtoresorptionofthecorticalboneandexposureoftherootHigh-riskpopulationmandible&maxillaprotrusionexpansionofthemaxillaryarchExample1Locationofbone-thicknessmeasurementsbeforeandafterretractionS3Example2

rotatedcaninesandcrowdingoftheincisorsarefoundinthepretherapeuticmandibularsituationcorrespondingpretreatmentCTexamination：3D-reconstruction

narrowfrontalmandibularalveolarprocesswiththinfacialboneplatesClinicalsituationaftertwoyearsoforthodontictreatmentCorrespondingCTexamination：3D-reconstruction

extensivefacialdehiscencesabovetherootsoftheincisorsandcaninesDentalanatomyAlveolarboneproperSupportingalveolarbone

CorticalplateSpongybonebonetracestoothmovement?Abasicaxiominorthodonticsiswheneverorthodontictoothmovementoccurs,bonearoundthealveolarsocketwillremodeltothesameextentThetruthis…Intheverticaldimension:

duringorthodontictoothextrusion,boneincreaseisusuallylessthanthedentaldisplacement,leadingtoanincreaseintheclinicalcrown.Inthetransversedimension:

boneremodeling/toothmovementratiooftoothretractionwithtipandwithtorqueis1:2and1:2.35respectivelyRepairoftheperforationsite

bonedehiscenceswerepartlyrepairedintheretentionperiod,butitwasinsufficienttocovertherootcompletelyRepairoftheperforationsitewillleadtorelapseoftheteethconclusionretractionoftheincisorsislimitedforcingthetoothagainstthecorticalbonemaycauseadversesequelaesurgicalorthodontictreatmentshouldbetakedwhentoothmovementexceed“bonewall”anteriormaxillarysubapicalosteotomyinitialexaminationbeforesurgery：maxillaryfirstpremolarsandleftmandibularcentralincisorwereextracted.Allresidualthirdmolarswerealsoextractedaftersurgery：anteriormaxillarydentoalveolarsegmentrepositioned4mmposteriorlyand3.5mmupward.after2yearsofretention：referenceAlexanderD.Vardimon,EyalOren.Corticalboneremodeling/toothmovementratioduringmaxillaryincisorretractionwithtipversustorquemovements.AmericanJournalofOrthodonticsandDentofacialOrthopedics,Volume114,Number5Simten

Sarikaya,Bulent

Haydar.Changesinalveolarbonethicknessduetoretractionofanteriorteeth.AmericanJournalofOrthodonticsandDentofacialOrthopedics.July2019HeinrichWehrbein,Priv

DozDrmed.Humanhistologictissueresponseafterlong-termorthodontictoothmovement.AmericanJournalofOrthodonticsandDentofacialOrthopedics,Volume107,No.4Javad

Hazrati

Marangalou,Farzan

Ghalichi.Numericalsimulationoforthodonticboneremodeling.orthodonticwaves.(2009):64-71ManabuMiyamoto,TakashiYamashiro.Surgicalorthodontictreatmentforseveremaxillaryprotrusionwithaggressiveperiodontitis.orthodonticwaves.(2019):171-178Thankyou!6、最大的骄傲于最大的自卑都表示心灵的最软弱无力。——斯宾诺莎

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