后颏的

基本解释 (translations)

postmental

与后颏的相关的网络例句 [注：此内容来源于网络，仅供参考]

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］探讨下颌管的解剖结构与牙种植的关系［方法］选取15具牙列完整的成人离体下颌骨标本和5具经过动脉血管内灌注的新鲜标本，测量下颌骨在每个牙位截面上有关牙槽嵴及下颌管的相关数据，进行统计学分析［结果］牙槽嵴顶以及下方10mm宽度由前向后逐渐增宽；牙槽嵴由上向下逐渐增宽；下颌管位于下颌骨体内下方走行中偏舌侧，并近下颌骨下缘，在下颌第1，2磨牙区下颌管走行与下颌下缘成平行状，在近颏孔处转向外和向颊侧出颏孔；下颌管内血管位于下牙槽神经之上［结论］牙种植术中按正常解剖部位并且侧重颊侧骨板操作，可避免损伤下牙槽神经；如果术中下颌管内突然涌出大量新鲜血液，则提示若继续手术可能损伤下牙槽神经。

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］探讨下颌管的解剖结构与牙种植的关系［方法］选取15具牙列完整的成人离体下颌骨标本和5具经过动脉血管内灌注的新鲜标本，测量下颌骨在每个牙位截面上有关牙槽嵴及下颌管的相关数据，进行统计学分析［结果］牙槽嵴顶以及下方10mm宽度由前向后逐渐增宽；牙槽嵴由上向下逐渐增宽；下颌管位于下颌骨体内下方走行中偏舌侧，并近下颌骨下缘，在下颌第1，2磨牙区下颌管走行与下颌下缘成平行状，在近颏孔处转向外和向颊侧出颏孔；下颌管内血管位于下牙槽神经之上［结论］牙种植术中按正常解剖部位并且侧重颊侧骨板操作，可避免损伤下牙槽神经；如果术中下颌管内突然涌出大量新鲜血液，则提示若继续手术可能损伤下牙槽神经。

objective the purpose of this study was to summarize our experience of the application of internal rigid fixation with miniplate to treatment of mandibular fractures.methods a retrospective analyisis of clinical data of 67 cases,who had experienced the anatomic reduction and rigid fixation by using miniplate.with the help of maxillomandibular distraction pre operation and post operation and temporary maxillomandibular fixation during operation,the fracture bones were smoothly reduced and fixed.results clinical and radiographic examination showed that all cases gained good clinical results and precise anatomic alignment of fracture postoperatively without infection,malocclusion,bone malunion or other complications.conclusion mocortical miniplate fixation of the mandible is a reliable and effective techinique providing rigid fixation and an ideal modality for the treatment of mandibular fractures.combined with maxillomandibular fixation.

对67例下颌骨骨折患者的临床资料进行回顾总结，所有患者应用小型接骨板行坚固内固定治疗。其中7例颏部骨折，12例颏旁骨折，16例颏孔区骨折，9例体部多发性骨折，5例体部粉碎性骨折；18例合并其他部位骨折。所有患者术前经临床检查和影像学检查明确骨折的位置和骨折线的数目后，分段牙弓夹板结扎、颌间弹性牵引，使移位的骨折段逐渐复位；术中经口内切开复位、细钢丝颌间结扎、小型接骨板坚固内固定；术后行临床检查和影像学复查，必要时颌间弹性牵引7～10 d。结果所有患者手术切口ⅰ期愈合，治疗效果满意；临床检查所有患者牙合关系良好、面部对称；影像学复查证实骨折线对位良好。结论经口内切开小型接骨板坚固内固定辅以颌间固定治疗下颌骨骨折效果可靠，术后并发症少，是一种理想的手术方法。

ObjectiveTo explore the method to treat wideness chin and retrogenia in one step.

目的：探讨一次性矫正颏部宽大及颏部后缩畸形的方法。

Objective To study the effects of ovariectomy on the muscle function of genioglossus in chronic intermittent hypoxia female rats and explore the possible mechanism of estrogen related with upper airway stability.

目的 检测慢性间歇性低氧雌性大鼠去卵巢后颏舌肌肌功能的变化，探索雌激素影响上气道稳定性的机制。

ConclusionsUsing methods of narrowing genioplasty combined with Medpor implantation can treat wideness chin and retrogenia in one step. This method resolve the defaults of single horizontal osteotomy of the chin or single chin augmentation.

颏部截骨缩窄结合Medpor隆颏可一次性矫正颏部宽大及颏部后缩畸形，解决了单纯颏部截骨术后或单纯隆颏术后局部不能达到最佳的手术效果的弊端。

Hemarthrosis and destruction of the disc played an important role in the pathogenesis of traumatic diseases in TMJs. Part 3 A comparative study of the histological changes in the TMJ after different treatment of unilateral fractures in the lambs The histological changes were recorded in the TMJ after different treatment of unilateral fractures.

实验三 创伤后应用不同方法治疗单侧髁状突骨折后TMJ组织病理学改变的比较研究本实验采用颏部撞击法造成幼年山羊的双侧TMJ损伤后，在左侧髁颈部切断髁状突，模拟单侧髁状突骨折，并应用不同的治疗方法进行处理，观察其关节结构的变化情况。

RESULTS:①There was higher tensile stress at the ingual side of symphysis, inside of molar and outside of condyle under the impact of chin.②There was higher tensile stress at the lingual side of symphysis, inside of contralateral molar, outside of contralateral angle, outside of homolateral angle and inside of homolateral body under the impact of body.③There was higher tensile stress at the inside of angle, inside of homolateral condyle, lingual side of symphysis, outside of contralateral condyle and inside of homolateral molar under the impact of angle.

结果：①撞击颏部，其舌侧区，磨牙后区内侧面、髁状突颈外表面以及下颌角外表面具有较高的张应力；②撞击下颌体部，颏部舌侧区，对侧磨牙后区内侧面、对侧下颌角外表面、撞击侧下颌角外侧面、撞击侧体部内侧面具有较高的张应力；③撞击下颌角，其内侧面、撞击侧髁状突颈内侧面、颏部舌侧面、对侧髁状突颈外表面以及撞击侧磨牙后区内侧面具有较高的张应力。

In the soft tissue measurements, the value of soft tissue facial angle and B'-Pos-FH in the first extraction group was less than those in the second extraction group significantly. After treatment all the patients had an increase in S-Ns-Pos angle, soft tissue facial angle, B'-Pos-FH and depth of mentolabial groove. At the same time, soft tissue convexity angle was diminished obviously. But the change was not significant between the two premolar extraction groups.

2在对软组织项目的测量中，治疗前第一前磨牙拔除组的软组织面角、颏沟倾角均小于第二前磨牙拔除组，治疗后2组均出现软组织面凸角减少，颏凸角、软组织面角、颏沟倾角、颏唇沟深度增加；但2组在各项测量项目的变化上无显著组间差别。

Drills in the median line with the small crack marks the good median line position, The horizontal osteotomy is then completed with a saw, and removal of midline wedge of bone from a lingual approach.

在中线用小裂钻标记好中线位置，在左右下牙6到6之间截骨，截骨完成后，再于颏部中央截取底边在舌侧的等腰三角形骨块，将颏部骨块内旋，在唇侧表面以微型钛板固定。

与后颏的相关的网络解释 [注：此内容来源于网络，仅供参考]

airway：开放气道

3.心肺复苏术的三大手段 (1)开放气道(Airway) 昏迷时,人的舌头会下坠,容易把自己的气道堵死(你看,"长舌"的人连自己也害). 可用仰头抬颏法开放气道,并清除病人口中的异物和呕吐物. 方法是一手放于病人前额,用手掌把额头用力向后推,

breathing：呼吸

即呼吸通道(Airway), 呼吸(Breathing)和血液循环(Circulation)--记住如下步骤. 注:仰头提颏法(head tilt-chin lift) 用一手将病人的头向后仰,置另一只手的手指于下颌骨缘下面,将颏部提向前(垂直向上)直至上下牙齿几乎合拢,

mental foramen：颏孔

在研究下齿槽神经的途径上,Oliver在解剖50个人类下颚后发现大致有两种变异:第一种较常见,神经乃经由单一途径分支到后牙牙根,而神经主干则从颏孔(mental foramen)出来;第二种比较少见,神经的下分支和颏孔连结,而一上分支直接支配下牙列(参41,

mentum：颏

有托盛食物以及与上唇协同钳住食物的作用,此外也用来检测食物.下唇的基部称为后颏(postmentum),几乎完全和头壳愈合,不能活动.后颏相当于愈合的左右轴节,又分为不明显的亚颏(Submentum)和颏(mentum).除上述3种口肢(mouth appendages)外,

sublingual space：舌下间隙

舌下间隙(sublingual space)位于舌和口底粘膜之下下颌舌骨肌及舌骨舌肌之上前界及两侧为下颌体的内侧面;后部止于舌根由颏舌肌及颏舌骨肌又可将舌下间隙分为左右两部二者在舌下肉阜深面相连通舌下间隙后上与咽旁间隙翼下颌间隙相通后下通入...

vomer：犁骨

7)犁骨(vomer)为斜方形薄骨板,构成骨性鼻中隔的后下部. 8)下颌骨(mandibula)位于面部的前下方,居上颌骨之下. 可分为一体和两支,下颌体呈马蹄形,其牙槽缘有下颌牙根嵌入. 体的外侧面左、右各有一孔,称颏孔.

Columbidae：鸠鸽科

鸽形目 鸠鸽科(Columbidae) 果鸠属(Ptilinopus) 黑颏果鸠是小型鸟类,体长27一28厘米. 雄鸟的前额、头顶、眼先、头侧、下喉和胸部为淡灰色. 额部栗色,上喉黑色. 枕部、后颈和上背为淡灰绿色,其余上体翠绿色而具金属光泽,与绿鸠类的橄榄绿色体羽相比较,

Mandibula：下颌骨

8)下颌骨(mandibula)位于面部的前下方,居上颌骨之下. 可分为一体和两支,下颌体呈马蹄形,其牙槽缘有下颌牙根嵌入. 体的外侧面左、右各有一孔,称颏孔. 下颌支为下颌体后端(两侧)向上伸出的长方形骨板,其上缘有两个突起,前者为喙突(肌突);

paraglossa：侧唇舌

(1)在昆虫系存在于小颚的后方. 是头部最后方的附属肢,原来曾是左右1对的,以后发展在中央线上合在一起而成为1个. 是由与头部直接关节的后颏(postmentum). 有的分为亚颏(prementum)构成,后者更分有侧唇舌(paraglossa). 中唇舌(glossa)和下唇须.

facial angle：面角

3.面角(Facial angle) 指眼耳平面与面平面(NaPo)之间的下后交角. 该角反映了颏部相对于面部其他部分的前后位置. 恒牙初期的正常均值和标准差分别为86.4和2.9°,恒牙期为87.8和4.2°. 面角增加,表明颏前突. 反之,减少反映了颏后缩.