感染及外伤之放射线影像检查课件.ppt
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- 关 键 词:
- 感染 外伤 放射线 影像 检查 课件
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1、外傷及感染之放射線影像檢查 Radiographic Interpretation of Trauma and Infection 內容綱要 顎顏面外傷之影像檢查 技術 顎顏面外傷分類 判讀 感染的影像檢查 軟硬組織感染 判讀影像檢查在顎顏面外傷的應用 Plays a critical role Identify the location and orientation of fractures Indicate the degree of separation or displacement 顎顏面外傷常用放射線影像檢查技術-IRoutine view1.Posterior-anterior
2、(PA)view of facial bones2.Lateral view of facial bone3.Panorex4.Waters(Occipitomental)Suspect mid-face fracture顎顏面外傷常用放射線影像檢查技術-II5.Periapical view6.Occlusal view Occlusal view of nasal bone Occlusal view of mandible7.Submental-vertex view 8.Lateral view of nasal bone顎顏面外傷常用放射線影像檢查技術-III 9.Tomograph
3、y10.Townes view11.PA view of mandible12.Oblique view of mandible1.PA view Skull Jaws2.Lateral view Skull Jaws Neck 3.Panex Mandible,maxilla,dentition,70%of mid-face fracture 4.Water view(Occipito-mental)Maxillary fracture Orbital fracture Frontal bone/sinus 5.Periapical view Tooth and alveolar injur
4、y6.Occlusal view -Mandible Fracture line,direction Axial section 6.Occlusal view -Maxilla 7.Submental vertex view Zygomatic arch fracture Coronoid fracture 8.Lateral nasal view9.Tomography185180Blow out fractureTMJ fracture17517016516010.Modified Towns view Condylar fracture Mandibular angle fractur
5、e 11.PA symphysis view12.Oblique lateral view Was replaced by Panoex Used when patient can not sit or stand CT scanReconstructive 3-D CT scan顎顏面外傷之影像檢查判讀 General interpretation of fracture line Condyle and other mandibular fracture Middle facial fracture Cavity:sinus,orbital Dento-alveolar fractureG
6、eneral interpretation of fracture line Displacement(deviation,dislocation)Step,gap,overlapping Discontinuity Asymmetry Comminuted Malocclusion Cavity:(air-fluid level)*Degree and direction Mandibular fracture Angle and symphysis fractureMalocclusionStepCondyle and symphysis fractureOverlap,discontin
7、uity and displacement Asymmetry Comminuted Coronoid and ramus fracture Gap,Discontinuity Step,Displacement Condyle Deviation Displacement Dislocation DislocationDeviationUndisplacedDisplacementcondyle fractureDisplacement Bilateral condyle fractureDislocationBone gap Split fracture Coronoid fracture
8、Chin horizontal fracture Mid-facial trauma Cavity:sinus,hernia of orbital soft tissue Tomography of orbital fracture CT Air-emphysema Middle fracture(Le Fort I,II,III)ZMC fracture Basilar skull fracture:air-fluid level in sphenoid sinus Le fort I fractureAir-fluid levelLe Fort IIfractureLe Fort III
9、fracture Blow-out fracture Zygomatic arch fracture Zygomatico-maxillary complex(ZMC)fractureClassification of dentoalveolar injuries1.Crown craze or crack2.Crown fracture 1)Enamel 2)Enamel-Dentin 3)Enamel-Dentin-Pulp3.Crown and root fracture 1)Pulp involvement 2)No pulp involvementA.Tooth structures
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