正畸病例分析英文版课件.ppt

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1、正畸B组第1小组SummaryKeyinformationlongface16-year-oldgirlfromnortheastfamily historytaciturnityComewithhermomWeekend-opendmaintroubleHyperosteogeniedMandibularmandibularprotrusionAllabove？HighAngleunderbiteHereditycircumstance：Congenital（Macroglossiadisease）Acquired（1）hyper

2、pituitarism（2）maxillarydeciduousteethearly-missed、retention、Inadequatecanineabrasion（3）earlymaxillarypermanentteetheruption（4）functionalfactor：suckle、hypertrophy of tonsil、muscledysfunction（5）badhaditOtherinformationneeded（1）Inquiry：systemic disease、badhadit、alreadytre

3、atment、Duration、familyhistory、psychological guidance（2）inspection：①insidecheck：toothcount、toothshape、Oralhygiene、dentalarchshape、occlusalstatus、Softtissuelesions②outsidecheck：photograph、Symmetricface？proportion?overlengthlowed1/3？auxiliary examination：X-ray：Panoramicra

4、diographexaminationlateralcephlometricsCTOthercheck:modelanalysisTMJcheckmusculartensioncheck①Extraoralphotographs：Frontalview：horizontal：Facialisasymmetry,anditmovestorightsidevertical：partiallengthisinthe1/3lowerfaceslip:thedegreeofclosure、underlipisthickerthanupperL

5、ateralview：facialmorphology：concavetypelip:thedegreeofclosure、Hline，Elinementolabialsulcus：shallow、Mandibularadvancement②Intraoralphotographs：Frontalview：overbiteinanterior22、23、32、33openbitedistemain11and21crowdedinmaxillaryLateralview：angleⅢ，anteriorteethisreverseove

6、rjetandreverseoverbitemaxillaryanteriorteeth：labialinclinationmandibularanteriorteeth：lingualinclinationOcclusalview：dentalarchsareoval，crowdinginthemaxillary.maxillarycentralincisor：torsionoralhygiene：poorPeriodontium：healthygingivaAlveolarbone：thelabialboneofmandible

7、isthinLabialfrenum、linguaefrenum：normalsoftandhardtissuesPantomography：impactedteeth：18、28、38、48normalThemeasurementitemsPermanentteethperiodsignificancemeasuredvaluenormalvalueSNA88º>82.8ºmaxillaryprotrusionSNB94º>80.1ºMandibularprotrusionANB-6º<2.7ºNegative，mandibula

8、rprotrusionWits-17mm<-1.5mmmandibularprotrusion，classⅢ,mesioclusionNP-FH88º>85.4ºmandibularprotrusionYaxis67º>66.3ºma