前颏

Because this produces peculiar tooth jaw face to misshape, constant expression is mid development undesirable reach cave, length of direction of around of bone of the upper jaw and perpendicular direction height shorten, tooth bend is narrow, the tooth lists jam, occlusive relation is disorder, anterior teeth or complete tooth bend are enclothed instead, before mandible true sex or false sex dash forward. 2 use DO method at the back of art of Jiao Zhi cleft palate in the portion caves at the back of art of abnormal cleft palate in the portion caves abnormal treatment method is very much, if Kettle reports block is mental,raise fight a way, the face guard method that Tind Lund uses, wang Ketao [1] uses Peng body to get together 4 fluorine ethylene fills up repair misshapes this kind etc.

因此产生特有的牙颌面畸形，常表现为面中部发育不良及凹陷，上颌骨前后方向长度及垂直方向高度变短，牙弓狭窄，牙列拥挤，咬合关系紊乱，前牙或全牙弓反覆盖，下颌真性或假性前突。2利用DO术矫治腭裂术后面中份凹陷畸形腭裂术后面中份凹陷畸形治疗方法很多，如Kettle报道枕颏支抗法，Tind lund采用的面罩法，王克涛[1]采用膨体聚四氟乙烯充填修复此类畸形等。

Methods The anatomical structures correlative with submental artery,submental vein,anteroventral portion of digastric muscle and mandibular periosteum in 23(46 sides)cephalocervical samples were measured.

结果 颏下动脉为面动脉的恒定分支，走行于下颌下腺与下颌骨下缘之间，恒定分支供应二腹肌前腹和下颌骨骨膜，并与对侧有广泛的吻合支。

The sublingual gland is mainly supplied with the sublingual artery and submental artery, the venous blood returns through the artery companion vein which infuses in the internal jugular vein. The vessel which could be used for anastomosis is the frontal branch of the superficial temporal artery.

结果：舌下腺在三大唾液腺中体积最小，其血供主要来自舌下动脉或颏下动脉，静脉回流通过动脉的伴行静脉注入颈内静脉；面部可供吻合的血管为颞浅动脉前支。

Results:According to different part of the vessels,there were 2 types:type 1,from the superficial surface of anterior belly of digastric muscle to the surface of inferior margin of mandible to subcutaneous part,accounting for 36%;type 2,from the deep surface of anterior belly of digastric muscle to the deep surface of inferior margin of mandible to s...

结果 ：根据血管走行差异分：1型：主干经二腹肌前腹浅面到下颌骨下缘表面至皮下占 3 6%，2型：主干经二腹肌前腹深面到下颌骨下缘深面至皮下占 64%；1型血管位置表浅，易于分离，且蒂较长，旋转度大，2型相比反之。结论：根据颏下动脉走行设计不同皮瓣的大小来修复面部皮肤组织

During the procedure of distraction, geniohyoid expressed hypertrophy and hyperplasia initially and then restore normal level after distraction, while masseters was influenced rarely.

结果发现在牵张过程中，颏舌骨肌先是发生再生与肥大，最终组织学形态恢复至牵张前的形态；而嚼肌受其影响不大，只是在牵张5天时有轻度的萎缩，可能与牵张过程中引起的干扰有关。

Objective: To study the effects of the treatment used high position advancement genioplasty and uvulopalatopharyngoplasty.

目的：观察高位颏前自徙术加悬雍垂腭咽成形术治疗阻塞性睡眠呼吸暂停综合征的效果。

Othordontics treatments were necessary for all cases except genioplasty before operation.

除单纯颏成形术外，其他所有病例术前均行正畸治疗。

Othordontics treatments were necessary for all cases except genioplasty before operation.

除单纯颏成形术外，其他所有病例术前均行正畸狗屎治疗狗屎。

Improving and routine intraoral sagittal split ramus osteotomy and advancement genioplasty were the reliable method to patient with micrognathia after arthroplasty of tempromandibular joint ankylosis.

改良下颌升支矢状劈开截骨术和常规下颌升支矢状劈开截骨术及颏水平前徙成形术，是颞颌关节强直关节成型术后小颌畸形可靠的术式。

Objective To analysis the effects of chincap therapy for early anterior crossbite.

目的 研究头帽颏兜治疗儿童前牙反牙合的方法，并探讨其临床疗效。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。