ABSTRACT:OBJECTIVETo study the correlation between anatomic structure of the inferior alveolar nerve canal and dental implantation by measuring mandible innervation esemplarsMETHODSThe intramandibular course of mandibular canal and its dimendion were measured in 15 mandibles with teeth; the relationship between blood vessel and nerve was observed in 5 fresh samples in which the artery was filled; and then the data were analyzed by statisticsRESULTSThe mandibular canal was close to the lingual side and the inferior margin of the mandible, the mandibular canal and the 10mm underside of mandible were parallel in the region of the first and the second molars, it runned outboard to genal aperture when it was hereabout genal aperture, and the blood vessel lay above nerve in the mandibular canalCONCLUSIONIn implant operation performed according to normal anatomy, injury to inferior alveolar nerve may be avoided.

［目的］探討下頜管的解剖結(jié)構(gòu)與牙種植的關(guān)系［方法］選取15具牙列完整的成人離體下頜骨標(biāo)本和5具經(jīng)過動(dòng)脈血管內(nèi)灌注的新鮮標(biāo)本人妻少妇视频一区中文字幕，測(cè)量下頜骨在每個(gè)牙位截面上有關(guān)牙槽嵴及下頜管的相關(guān)數(shù)據(jù)，進(jìn)行統(tǒng)計(jì)學(xué)分析［結(jié)果］牙槽嵴頂以及下方10mm寬度由前向后逐漸增寬天天操天天日天天操；牙槽嵴由上向下逐漸增寬在线观看中文字幕2022；下頜管位于下頜骨體內(nèi)下方走行中偏舌側(cè)，并近下頜骨下緣一级二级三级黄色网站，在下頜第1欧美天天搞网站，2磨牙區(qū)下頜管走行與下頜下緣成平行狀，在近頦孔處轉(zhuǎn)向外和向頰側(cè)出頦孔中国一级A一级a爱片免费免免；下頜管內(nèi)血管位于下牙槽神經(jīng)之上［結(jié)論］牙種植術(shù)中按正常解剖部位并且側(cè)重頰側(cè)骨板操作ww黄色，可避免損傷下牙槽神經(jīng)；如果術(shù)中下頜管內(nèi)突然涌出大量新鮮血液免费在线黄色网站视频，則提示若繼續(xù)手術(shù)可能損傷下牙槽神經(jīng)大BBBB高潮。

ABSTRACT:OBJECTIVETo study the correlation between anatomic structure of the inferior alveolar nerve canal and dental implantation by measuring mandible innervation esemplarsMETHODS The intramandibular course of mandibular canal and its dimendion were measured in 15 mandibles with teeth; the relationship between blood vessel and nerve was observed in 5 fresh samples in which the artery was filled; and then the data were analyzed by statisticsRESULTSThe mandibular canal was close to the lingual side and the inferior margin of the mandible, the mandibular canal and the 10mm underside of mandible were parallel in the region of the first and the second molars, it runned outboard to genal aperture when it was hereabout genal aperture, and the blood vessel lay above nerve in the mandibular canalCONCLUSIONIn implant operation performed according to normal anatomy, injury to inferior alveolar nerve may be avoided.

［目的］探討下頜管的解剖結(jié)構(gòu)與牙種植的關(guān)系［方法］選取15具牙列完整的成人離體下頜骨標(biāo)本和5具經(jīng)過動(dòng)脈血管內(nèi)灌注的新鮮標(biāo)本，測(cè)量下頜骨在每個(gè)牙位截面上有關(guān)牙槽嵴及下頜管的相關(guān)數(shù)據(jù)97超碰在线频，進(jìn)行統(tǒng)計(jì)學(xué)分析［結(jié)果］牙槽嵴頂以及下方10mm寬度由前向后逐漸增寬黄色美女福利视频；牙槽嵴由上向下逐漸增寬；下頜管位于下頜骨體內(nèi)下方走行中偏舌側(cè)久久夜晚黄色视频，并近下頜骨下緣亚洲精品一二三区尤物tv，在下頜第1，2磨牙區(qū)下頜管走行與下頜下緣成平行狀色8久久人人97超碰香蕉987，在近頦孔處轉(zhuǎn)向外和向頰側(cè)出頦孔av黄色电影免费日韩；下頜管內(nèi)血管位于下牙槽神經(jīng)之上［結(jié)論］牙種植術(shù)中按正常解剖部位并且側(cè)重頰側(cè)骨板操作，可避免損傷下牙槽神經(jīng)欧洲欧美精品VA在线观看；如果術(shù)中下頜管內(nèi)突然涌出大量新鮮血液国产伦精品一区二区三区娃女，則提示若繼續(xù)手術(shù)可能損傷下牙槽神經(jīng)。

RESULTS Cochlea,semicircular canal,scutum,internal auditory canal,vertical segment of facial nerve canal were clearly shown in all cases by different slices of MPR images.3D CT can vividly demonstrate the shape and spatial relation-ships of malleus and incus.

三維CT能生動(dòng)地顯示錘骨一个色桃花综合亚洲综合77综合、砧骨的立體形態(tài)及空間關(guān)系。

According to pathologic features, the intratemporal facial nerve neurilemmomas were classified as ingrowing facial nerve neurilemmomas (4 ears) which originated from the center of facial nerve,and outgrowing facial nerve neurilemmomas (13 ears) which originated from the perineurium at dehiscence of the facial nerve canal.

依其病理行為特征分為外生性（13耳A4yy午夜国产，起自面神經(jīng)管裂處神經(jīng)束膜日韩电影久久久久久精品视频，并向管外生長(zhǎng)）和內(nèi)生性（4耳，起自面神經(jīng)主干）兩種類型99视频有精品你懂的。

Methods Twenty-two pieces of temporal bone were taken for this study. The mastoid cavity was opened, scutum removed,"bridge" broken down, posterior wall of external auditory canal abraded and the related anatomic structures were fully exposed. The distance between the origin of facial nerve canal and the anterior border of round window （ OOFNC-ABORW ）, between the highest point of the facial nerve canal and the bottom of posterior mastoid sinus,and between the stapes head and round window niche was measured under operating microscope.

方法取成人顳骨22側(cè)（左右各11側(cè)）黄色视频污污，用耳科鉆磨開乳突腔，去上鼓室盾板免黄片视频在线观看、斷"橋"免费久久精品国产片72，磨低骨性外耳道后壁，充分暴露相關(guān)結(jié)構(gòu)国产36区，在手術(shù)顯微鏡下測(cè)量面神經(jīng)管垂直段起始部前緣至圓窗龕前緣的距離免费三级日欧美色性片、面神經(jīng)管最高點(diǎn)與后鼓室底壁之間的距離亚洲黄色视频在线观看在线播放、錐隆起的高度（即錐隆起基底到錐隆起頂端的距離）、鐙骨頭至圓窗龕前緣的距離国产精品群交电影在线免费观看。

RESULTS 30 longitudinal fractures, 14 transverse fractures, 7 complex fractures, 31 facial nerve canal injury and 5 cochlear and semicircular canal injury.

結(jié)果 縱行骨折30耳欧美性爱香蕉视频，橫行骨折14耳，混合性骨折7耳国产男女激情一区二区，面神經(jīng)管損傷31耳av呦呦，耳蝸、半規(guī)管損傷5耳一级A片全网免费观看。

Results HRCT findings of 45 cases of chronic otitis media with cholesteatoma included abnormal soft-tissue mass shadows in tympanic cavity of middle ear,sclerotic mastoid were observed in most cases, and bone changes including enlargment of the tympanic cavity with sclerotic border, the dislocation and destruction of the ossicles.The sigmoid sinus plate,tympanic tegmen, semicircular canal and facial nerve canal were destroyed in severe cases.

結(jié)果 膽脂瘤型慢性中耳炎患者HRCT表現(xiàn)：①45例均見中耳腔內(nèi)團(tuán)塊狀軟組織影五月天婷婷婷综合小说在线；②40例為硬化型乳突（88.9%）；③骨質(zhì)改變包括中耳腔擴(kuò)大和周緣骨質(zhì)硬化97亚洲熟妇自偷自拍另类图片、聽小骨的移位91福利精品自拍视频导航、破壞、乳突骨質(zhì)的破壞高清亚洲主播在线播放，嚴(yán)重者可伴有乙狀竇壁欧美一级视频在线、鼓室蓋、面神經(jīng)管及半規(guī)管的破壞欧美在线视频日韩。

There were no bone erosion in the 3 ears with simple type otitis media, and the 19 ears with cholesteatoma showed: abnormal soft-tissue and bony erosion in the tympanic cavity and antrum; dislocation and disruption of the ossicular chain; and showed disruption of sigmoid sinus plate, tegmen tympani, semicircular canal and facial nerve canal in severe cases.

膽脂瘤型中耳炎SCT-3DI示：鼓室jizz日本jizz、鼓竇內(nèi)軟組織影和骨質(zhì)破壞，聽骨鏈移位和破壞91原视频在线播放，嚴(yán)重者破壞鼓室蓋人妻三级视频、面神經(jīng)管、外半規(guī)管和乙狀竇板等婷婷5月天综合色色，與手術(shù)中所見基本相符国产激情午夜福利片在线观看。

Objective To study the feature of the incisor nerve canal and its relation to the mandibular canal and mental canal so as to offer a reliable anatomical data for the distric operation.

目的 研究國(guó)人切牙神經(jīng)管的位置及下頜管、頦管的關(guān)系更多国产精品，為臨床手術(shù)提供解剖學(xué)數(shù)據(jù)人人看人人摸人人艹。

Methods Twenty-two pieces of temporal bone were taken for this study. The mastoid cavity was opened, scutum removed,"bridge" broken down, posterior wall of external auditory canal abraded and the related anatomic structures were fully exposed. The distance between the origin of facial nerve canal and the anterior border of round window （ OOFNC-ABORW ）, between the highest point of the facial nerve canal and the bottom of posterior mastoid sinus,and between the stapes head and round window niche was measured under operating microscope.

方法取成人顳骨22側(cè)（左右各11側(cè)），用耳科鉆磨開乳突腔国产级特妇黄A片，去上鼓室盾板欧美肏大屄、斷&橋&，磨低骨性外耳道后壁www.aaa4a.com，充分暴露相關(guān)結(jié)構(gòu)国产视频啊啊免费看，在手術(shù)顯微鏡下測(cè)量面神經(jīng)管垂直段起始部前緣至圓窗龕前緣的距離、面神經(jīng)管最高點(diǎn)與后鼓室底壁之間的距離黄色视频在线观看免费入口、錐隆起的高度（即錐隆起基底到錐隆起頂端的距離）欧美黄片另类、鐙骨頭至圓窗龕前緣的距離。