华西口腔口腔颌面影像诊断学外伤

DiagnosticRadiologyOfMaxillofacialPartofInjuryMostcommonresponsibleFallAutomobileaccidentBlowsfromforeignbodiesstrkingOthers头部、颌面部受伤的处理危险的颅内出血。意识消失或神智模糊，呼吸困难，呕吐，抽搐，手脚麻痹，口或鼻腔流血或透明的液体，剧烈头痛持续不止等等。原则：先处理颅脑症状，稳定全身生命体征，后治疗颌面部损伤。Appliedradiology

Theprescriptionofappropriatefilmcanbemadeonlyafteracarefulclinicalexamination

Radiologyaidsinidentifyingthelocationandorientationoffracturesandindicatesthedegreeofseparationordisplacementoffracturemargins.

RadiographsareveryusefulafteraninjuryTesttechnics

Water’sposition（华氏位、鼻颏位）

Panoramic曲面断层片（全景）

Cephalometric(X线头影测量片)orlateralfilm(侧位片）

Occlusalfilm咬合片

Submentovertex（颅底位、颏顶位、颧弓位）

Zygomaticbone-PA（颧骨后前位、顶颏位）

Post–anteriorposition（下颌骨后前位）

Obliguelateralprojection（下颌骨斜侧位）

Schullar’sposition（薛氏位、颞下颌关节片）

CTandMRIDiagnosticprinciple1.positionandnumber2.types3.displacement4.relationbetweenthefracturelineandteeth5.differentiatefromnutritioncanalandnormalsutures6.concrescence

offracturespositionandnumber

offracturesTypesDisplacementrelationbetweenthefracturelineandteeth

differentiatefromnutritioncanalandnormalsuturesAlveolarfractureAlveolarfracturecompanywithtoothinlayMaxillaryfractureFractureTypesofmaxillarboneLefortⅠLefortⅡLefortⅢLefortⅠ(horizontalfracture)LefortⅡLefortⅢ

LefortⅢfractureWaterspositionRight---lefortⅡleft---lefortⅡandⅢWatersposition（眶-上颌-颧骨OMZ、复合骨折）FracturesofZygomaticboneandarchAfteroperationComminuteFractureofzygomaticarch“M”typeofsubmentovertexFractureofnosebonePayattentiontothemaxillarybonefracture!!!1、双侧眼眶及上颌窦大小不一，窦腔积液昏暗2、骨折线多样，骨折块移位，左右眶下缘不在、同一水平3、牙弓不对称4、颌间间隙形态不对称5、张口受限是否由于喙突受压？6、骨折是否波及颅及颅底？FractureofmandibleThemostommonfracturesites

mentalbodyanglecondyleandit`sneckClassificationofthecondylefracture

PleaselookatbookP158—P161PanoramicviewPanoramicviewY字型PanoramicviewPanoramicviewPanoramicviewPanoramicviewPost–anteriorposition(PA)Post–anteriorpositionCTview3DdimensionreconstructionTomographicviewandCT-3DPathologicfractureOrientedfromtumors,Osteomyelitis,toothextraction,operationetc.陈旧性骨折X-rayappearancetime异物定位横向位片轴向位片定位针Questions？骨折后1-2月照片