1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,stomatology,口腔科学,错,畸形,Malocclusion,目标与要求,掌握,错畸形的概念,Angle,分类,熟悉,错畸形的病因与危害,了解,正畸患者的评估,正畸治疗计划的原则,牙齿移动的装置,malocclusion,指不可接受的与理想有差异的口腔美观和,/,或功能异常。,错,畸形,Malocclusion,遗传,Genetic factors(racial and familial tendency),环境,Environmental factors(developing factors and bad habits),Craniofacial dimensions,Inherited jaw proportions,Both size and number of teeth,Specific congenital defects,Dental arch dimensions,多因素、多种机制综合作用的结果,病因,malocclusion,临床表现,malocclusion,骨骼问题,
2、malocclusion,临床表现,牙列拥挤,最常见的正畸需求,2/3,的人群,原因,a reduction in jaw and tooth size over the centuries,interpopulation breeding,environmental influences,malocclusion,骨骼问题,临床表现,影响牙,颌面发育,影响口腔健康,对身体的影响,malocclusion,影响口腔功能,影响容貌美观,影响心理健康,Classification for diagnosis,Classification to assess treatment need and treatment outcome,Angles Classification,British Standards Institute classification,Index of Orthodontic Treatment Need(IOTN),分类,malocclusion,mesioclusion,neutroclusion,neutroclusion,distoclusion,Class,
3、(,中性错,neutroclusion,）,Class,(,远中错,distoclusion,）,上颌第一恒磨牙的近中颊尖咬在下颌第一恒磨牙,颊沟,/,颊沟之前,/,颊沟之后,基于第一恒磨牙的关系,Angles Classification,malocclusion,Class,(,近中错,mesioclusion,）,治疗时机与需求,临床检查,Clinical examination,基本情况采集,（,History,Medical history,Dental history,Social history,）,口外检查,Extraoral examination:,anteroposterior plane,vertical plane(assessment of lower facial height and,the Frankfort-mandibular planes angle-,FMPA),transverse plane,soft tissues of the lips and tongue,speech,habits,TMJ,mandibular path of cl
4、osure,正畸患者的评估,malocclusion,口内检查,Intraoral,examination:,评估上下牙弓,(angulation of the lower labial segment to the mandibular plane,angulation of the upper incisors relative to the Frankfort plane,for each quadrant distance and the mesio-distal width of each tooth,quantify any surplus or deficit,general alignment of the teeth,inclination of the canines ),评估 关系,(,前牙关系,覆盖,overjet,上前牙切端超过下前牙切端的水平距离,覆,overbite,上前牙冠盖过下前牙冠的垂直距离,中线,centrelines,磨牙关系,molar relationship,尖牙关系,canine relationship,咬合错位,the presenc
5、e of anterior or posterior crossbite,bucco-lingual discrepancy in arch relationship,),malocclusion,治疗时机与需求,临床检查,Clinical examination,基本情况采集,（,History,Medical history,Dental history,Social history,）,正畸患者的评估,特殊检查,Special investigations:,sensibility tests,radiography,convertional or digital,an orthopantomographic radiograph or right and left lateral oblique views,a maxillary anterior occlusal view,a lateral cephalomentric radiograph,malocclusion,治疗时机与需求,临床检查,Clinical examination,基本情况采集,（,History,Me
6、dical history,Dental history,Social history,）,正畸患者的评估,Uses of lateral cephalometric analysis,Aim and objective of cephalometric analysis,Cephalometric interpretation,Skeletal relationship:maxillary prognathism(SNA),madibular prognathism(SNB),skeletal pattern(ANB),the Wits analysis,Vertical sleletal relationship MMPA and facial proportion,Tooth position:angle of the upper incisor to the maxillary plane,angle of the lower incisor to the mandibular plane,inter-incisal angle,lower incisor position t
7、o A-Pogonion line,malocclusion,头影测量分析,Cephalometric analysis,治疗时机与需求,临床检查,Clinical examination,基本情况采集,（,History,Medical history,Dental history,Social history,）,正畸患者的评估,Uses of lateral cephalometric analysis,Aim and objective of cephalometric analysis,Cephalometric interpretation,Skeletal relationship:maxillary prognathism(SNA),mandibular prognathism(SNB),skeletal pattern(ANB),the Wits analysis,Vertical skeletal relationship MMPA and facial proportion,Tooth position,Analysis of soft tissues,maloc
8、clusion,头影测量分析,Cephalometric analysis,治疗时机与需求,临床检查,Clinical examination,基本情况采集,（,History,Medical history,Dental history,Social history,）,正畸患者的评估,问题列表与治疗需求,Problem list and treatment need,潜在好处与正畸治疗的局限性,Potential benefits and limitations of orthodontic treatment,正畸治疗计划制定的原则,malocclusion,治疗计划,Treatment planning,基本目标（美观 平衡 稳定）,Elementary object,（,aesthetics,harmony,stability,）,preventive orthodontics,(,预防性矫治,),interceptive orthodontics,(,阻断性矫治,),corrective orthodontics,(,一般矫治,),surgical orthodontics
9、,(,外科正畸治疗,),malocclusion,治疗,Preventive orthodontics,malocclusion,治疗,Corrective orthodontics,Interceptive orthodontics,malocclusion,治疗,Fixed appliances,固定矫治器,Removable appliances,活动矫治器,malocclusion,Corrective orthodontics,Functional appliances,功能性矫治器,治疗,Corrective orthodontics,malocclusion,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,malocclusion,Corrective orthodontics,治疗,2.Etiology of malocclusion.,3.The most common orthodontic problem.,1.The,concept of malocclusion.,4.Angles Classification.,知识点,5.Term:overjet/overbite/crossbite,6.Elementary object of orthodontic treatment planning.,malocclusion,
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