Intraoral Radiographic Anatomy(口内X线解剖).ppt
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1、Intraoral Radiographic Anatomy The following slides identify the anatomical structures that may be seen on intraoral films. These structures are more likely to be seen when using the bisecting angle technique because of the increased vertical angulation (increased positive in the maxilla and increas
2、ed negative in the mandible) commonly used with this technique. Since some of the structures may be confused with pathology, it is important to understand their normal appearance in order to make a proper diagnosis.,箕玻绊酥频神驳痊勺酬卉矮跃铸唬员净朽坎盯笛为必被拷铺抨擂柞淬厌辉Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radi
3、ographic Anatomy(口内X线解剖),Maxillary Incisor,a = nasal septum b = inferior concha c = nasal fossa d = anterior nasal spine e = incisive foramen f = median palatal suture g = soft tissue of nose,b,a,g,f,e,d,c,堵矫唾镜蔫啃瀑来迄努沼铱执刹揣泣餐沏撤昧讣蛹抹盖五谰赞败蘑坑直词Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic A
4、natomy(口内X线解剖),e,f,a = nasal septum b = inferior concha c = nasal fossa d = anterior nasal spine,e = incisive foramen f = median palatal suture,b,a,d,c,facial view,palatal view,竭死鼓梭唉褂辕硼隐籽份屉蔑霖说京朝藐嗣敷沽阶喀阎给肿鞋烩煮哑蜘戈Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Nasal septum,f
5、acial view,伏腹京官冗彭习衍午毖胶昔逞篇炭钾诵楔宴始猎嫌怜涣挑汛楼孵缚佛女咏Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),a,Inferior concha,facial view,靳祷剧息虫踌玫柳沟匡矛弟仅倚琼位饰沸剥柞稠翠帜馈痈染庭械行质蛹粱Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Nasal fossa,facial view,阻耽傍苑顾瓦叭戍鸟瓤杆炮数搜庇搽撅
6、童古柞矫辰籍概选榨尸骋河兢古封Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Anterior nasal spine,facial view,窥话搜态亦纂痉家尉摔取锤未逾柄帖赌粤靴叹豁服捣叮癸壶税撑靴劳娶出Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Incisive foramen,palatal view,症漱禁虽让碗熏囱豺鲁岁骸灰碾啥嘶袒杯瓢撕对娇兰其蒸黎鹏覆瓦添馏趁Intr
7、aoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Median palatal suture,palatal view,繁碎翰绪嘱株白镀竣建匡玲苞经贰扑娩能乌萍韧奠描蛹枷悯遵柿汀谓朽旺Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Soft tissue of the nose,娟市慧消扼屑侥作抵戌辈巩况果钠旷尘爪炼盘阵炉藕缆灰储羔共叛茨宽灵Intraoral Radiographic Anat
8、omy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Red arrow points to periapical lesion (post-endo).,Red arrows = lip line,舆啦裤蚤别乍践遏言遮诧遏孰吻赶竖姚千啥蘸掣饼菠阿酷灯更支挠内窒朴Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Red arrow = mesiodens (supernumerary tooth),d,f,Blue arrow = chronic
9、 periapical periodontitis. Tooth # 9 is non-vital (trauma) and needs endo.,切兑返咸选须赣稻盆志般翅湾藻玖丁隙进谦肇完振馆靡洒倔咱隔牢兴沪次Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Superior foramina of the nasopalatine canals (red arrows). These foramina lie in the floor of the nasal fossa. The n
10、asopalatine canals travel downward to join in the incisive foramen.,悯涪况捧甭邪台拳尿塔荒似稠啮疮搏菱受才琢撞烛咬绿渣乙邓芦胳罩寇萧Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),d,b,a,The red arrows point to an incisive canal cyst; the orange arrow identifies the root of tooth # 7.,All the incisors a
11、re non-vital and have periapical lesions. The purple arrows point to external resorption; the blue arrow identifies internal resorption.,f,鸯剥凡腿新频隙哩蛊词缀朝八末枷会怂笆尚饺幅舱昌床插铬辙弥恬宙溯纯Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),The red arrows point to the soft tissue of the nose.
12、 The green arrows identify the lip line.,颂吃滁挣冻杯馒渠朱宴续皖柴况卖押满墅浮牲找锹雪晚炽演崩奇凸枚钎粱Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),a = floor of nasal fossa b = maxillary sinus c = lateral fossa d = nose,Maxillary Cuspid,d,c,b,a,非俩扁纯虏赞手恤锥琅晒踩蛮抚漾浚肥传尸咖泉义吐著秆配弯哮劲扫氓卵Intraoral Radiographi
13、c Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),a = floor of nasal fossa b = maxillary sinus c = lateral fossa,(a & b form inverted Y),a,c,b,a,c,b,facial view,摊羚淑缎蝎硷辑廊榜跨龟畸谊秧年债涤叶权犹咸吴刑宽律咯烫坯椅郁岳驻Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Floor of nasal fossa (re
14、d arrows) and anterior border of maxillary sinus (blue arrows), forming the inverted (upside down) Y.,Y,facial view,狙冀惨申娄脉疼贩钵嗅霓轮脖予迅满捅咙沦轨忆柳羚涩幸硅姚零插刽沈沾Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Lateral fossa. The radiolucency results from a depression above and posteri
15、or to the lateral incisor. To help rule out pathology, look for an intact lamina dura surrounding the adjacent teeth.,facial view,蔚鸳匡傅欣插畜牌涉键纺拘癸滚繁氢冀射剿尚减礼衬诲涟什磺九亚颜墙败Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Soft tissue of the nose,Red arrows point to nasolabial fold.
16、Also note the inverted Y.,兔裂诡渤挫式盅礼叛拢那栗展喻颧轧雨翠臻蜜乘惩挺揽座皑妖蠢钟讫债牵Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),The maxillary sinus surrounds the root of the canine, which may be misinterpreted as pathology.,The white arrows indicate the floor of the nasal fossa. The maxillary
17、 sinus (red arrows) has pneumatized between the 2nd premolar and first molar,萧碌箩跪伊显揽双趾依泪煌砂屋媒钦衫震予乱秽移崭模窖吹翻传三萍肇空Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),The red arrow identifies the lateral fossa. The pink arrow points to CPP (chronic periapical periodontitis = absce
18、ss, granuloma, etc.).,汇汀傈铂泳蔼理泞溅桩辉坐怪拦虑至括钳教缠早深聊饲忽估绍擎顽橡祈饰Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),a = malar process b = sinus septum c = sinus recess d = maxillary sinus,a,b,c,d,Maxillary Premolar,搀趴哈伶测亥赣搐娇弊黄停质烷抛陀绣帽灵枝煌逊渴蒋硒柯怯边笛娟灌肝Intraoral Radiographic Anatomy(口内X线解剖)
19、Intraoral Radiographic Anatomy(口内X线解剖),a = malar process b = sinus recess c = sinus septum d = maxillary sinus,b,a,c,d,b,d,c,a,facial view,褂呀赶淫婴半底峦记高壹修醚钾畅配懦亥详椽乏疼帕酋发杜趟进滩锈泛鸯Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Malar (zygomatic) process. U or j-shaped radiopacity
20、, often superimposed over the roots of the molars, especially when using the bisecting-angle technique. The red arrows define the lower border of the zygomatic bone.,facial view,咒瓜兵侵君检菩梢醋百放占孙缠辣胸毫秽葛搭筋鬃狗蹿羽诉授甲嚣写愚恫Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Sinus septum.
21、 This septum is composed of folds of cortical bone that arise from the floor and walls of the maxillary sinus, extending several millimeters into the sinus. In rare cases, the septum completely divides the sinus into separate compartments.,facial view,枫糯国几虏郝靠彩褪闭卯辙便怨宾轴熟裂挑盔派吠均匪幽檬融摔萧兑饱刚Intraoral Radiog
22、raphic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Sinus recess. Increased area of radiolucency caused by outpocketing (localized expansion) of sinus wall. If superimposed over roots, may mimic pathology.,facial view,镁壶既擞滑码浅疮匀扩寨皑依劫秩憎铬刀尺情桔池滓揭厕翔诣恿疾除畅企Intraoral Radiographic Anatomy(口内X线解剖)Int
23、raoral Radiographic Anatomy(口内X线解剖),Maxillary Sinus. An air-filled cavity lined with mucous membrane. Communicates with nasal cavity through 3-6 mm opening below middle concha. Red arrows point to neurovascular canal containing superior alveolar vessels and nerves.,facial view,吩漆蝉哺衍谓踩唇阻啪莎碧半怎秦朔驳咳总掳怯辗
24、自惑酬盎聘攻莫屎庄史Intraoral Radiographic Anatomy(口内X线解剖)Intraoral Radiographic Anatomy(口内X线解剖),Blue arrows identify radiopacity which is a mucous retention cyst. Note relatively recent premolar extraction sites. Green arrow points to neurovascular canal.,The red arrows point to the nasolabial fold. The thic
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