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一、下颌骨及其邻近结构CBCT影像
(一)水平位影像(图1-2-1~1-2-4)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-1_1120.jpg?sign=1739298091-gZuIlWFakyRC7CsxPfZbFf2hg2jBwHPA-0-ac1934f6141c424c259f78fda5c6dfaf)
图1-2-1 经下颌体颏孔区层面水平位图像
1.颏孔( mental foramen) ; 2.右下尖牙牙根[right mandible canine( foot)]; 3.左下第一前磨牙牙根[left mandible first premolar teeth( foot)]; 4.下颌体( mandible body)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-2_1123.jpg?sign=1739298091-SAI94oXAkJebuR7xHlxCpqm36JiVz6ug-0-8e5436a0cfaa303f98297027977d0614)
图1-2-2 经下颌后牙牙冠处层面水平位图像
1.左下第一磨牙( left mandible first molar) ; 2.下颌神经管( mandible canal) ; 3.左下第二前磨牙( left mandible second premolar teeth) ; 4.左下第二磨牙( left mandible second molar) ; 5.左下第三磨牙( left mandible third molar) ; 6.下颌升支( mandible ramus)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-3_1137.jpg?sign=1739298091-mI87DT12jMtixAVzwNPyO7f3S7tmXo7v-0-4c972fdf8318c4883d4507f58b706722)
图1-2-3 经下颌升支中份层面水平位图像
1.下颌孔( mandible foramen) ; 2.右上第一磨牙( right maxillary first molar) ; 3.左上中切牙( right maxillary central incisor) ; 4.下颌升支( mandible ramus)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-4_1140.jpg?sign=1739298091-JCKH03yuIeFix53gWtHq92wDmsqzAZIT-0-c65f07848129a8022e6c9c34b93e1784)
图1-2-4 经下颌升支中份层面水平位图像
1.右侧上颌窦( right maxillary sinus) ; 2.右侧髁突( right condylar process) ; 3.左侧喙突( left coracoid process)
(二)矢状位影像(图1-2-5~1-2-7)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-5_1144.jpg?sign=1739298091-Hdr6fkILfTOLoNJZjHBb15SheRwEUQf5-0-e95a2e7014be55988b7b033ee260d4da)
图1-2-5 经髁突中份层面矢状位图像
1.喙突( coracoid process) ; 2.关节结节( articular eminence of temporal bone) ; 3.髁突( condylar process) ; 4.乙状切迹( mandibular notch) ; 5.下颌升支( mandibular ramus)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-6_1147.jpg?sign=1739298091-z6iYtLAcdTjXLvo5mBLwATMddE9T39F7-0-e357ecd0f46b26bea1e9b0d938d176a1)
图1-2-6 经下颌第一磨牙处层面矢状位图像
1.颏孔( mental foramen) ; 2.下颌第一磨牙( mandible first molar) ; 3.下颌第二磨牙( mandible second molar) ;4.下颌下缘( inferior border of mandible)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-7_1161.jpg?sign=1739298091-T4xUWyuGrmdwmZ4KHHZca7tHpfxcRMtB-0-f993827a6c4660f101c541acae0675aa)
图1-2-7 经下颌中线处层面矢状位图像
1.颏棘( genial tubercles) ; 2.下颌中切牙( mandible central incisor) ; 3.上颌中切牙( maxillary central incisor)
(三)冠状位影像(图1-2-8~1-2-10)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-8_1165.jpg?sign=1739298091-HBNWYaJbOByIriM1dwzeycHqZIyYNqv5-0-413949d0441f2a90fc786cfa45fd014d)
图1-2-8 经下颌双侧颏孔处层面冠状位图像
1.下颌第二前磨牙( mandible second premolar teeth) ; 2.颏孔( mental foramen) ; 3.下颌体( mandible body) ; 4.上颌第二前磨牙( maxillary second premolar teeth)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-9_1168.jpg?sign=1739298091-wdMWPgyOMC4HwenTgUiBVmQqKTI1hKAp-0-ca5c285549f26cc6933e39216f2c7414)
图1-2-9 经下颌第三磨牙处层面冠状位图像
1.左下第三磨牙( left mandibular third molar) ; 2.下颌神经管( mandibular canal) ; 3.喙突( coracoid process) ;4.下颌升支( mandibular ramus)
![](https://epubservercos.yuewen.com/43796B/19400084808710106/epubprivate/OEBPS/Images/P1-2-10_1171.jpg?sign=1739298091-7tQfXtnFXAC99GGMbhgF192qNxFLePWX-0-45adeacc9d9005282483f2e32d1c8beb)
图1-2-10 经下颌双侧髁突处层面冠状位图像
1.髁突( condylar process) ; 2.茎突( styloid process) ; 3.关节间隙( articular space) ; 4.关节凹顶部( roof of articular fossa)