上颌的一个表皮硬骨，在前颌骨的后面。
A dermal bone of the upper jaw which lies posterior to the premaxillary.
咬合必须是下颌突出式咬合，就是说，下颌的门牙必须比上颌的门牙向前突出一些。
Jaws must be undershot. The incisors of the lower jaw should protrude over the upper incisors.
我们拥有的是上颌的尖端，这是一种叫做前颌骨的骨头；还有一个保藏在牙槽里的、破碎的牙齿。
All we have is the tip of the upper jaws -bones called the premaxillae, and a broken tooth preserved in one socket, "said Dr Martill."
赛米奥奴是医院整形外科研室的主任，她与12个专家组成医疗小组，一起重建了一个失去右眼，鼻，上颌的女病人的面部。
Siemionow, director of plastic surgery research at the hospital, worked with a dozen specialists to rebuild the face of a woman who was missing her right eye, nose and upper jaw.
下鼻甲、中鼻甲、钩突、上颌窦和腺样体粘膜均有表面活性物质样板层体的存在。
The surfactant-like multilamellar bodies were identified in the epithelium on the lateral wall and maxillary sinus.
这两位研究人员表示，在打哈欠时，上颌窦的壁部(位于鼻子两边的脸颊上)像风箱一样弯曲，帮助大脑降温。
During yawning, the walls of the maxillary sinuses (located in the cheeks on each side of the nose) flex like bellows and help with brain cooling, according to the researchers.
上颌窦位于颧骨下方，是头部四对鼻窦中最大的。
Located in our cheekbones, the maxillary are the largest of four pairs of sinus cavities in the human head.
一名中国女孩儿成了上颌骨缺失的第一人。据来自中国的报道，她接受的骨骼再造手术获得了圆满成功。
A Chinese girl has become the first person born without an upper jaw bone to have full successful reconstructive surgery, according to reports from China.
这是现代青蛙中唯一一种已知下颌长牙的蛙类物种，虽然其他上颌长牙的蛙类在下颌肯定也有类牙构造。
The species is the only known modern frog species with lower teeth, though certain other species with upper teeth do have toothlike structures on the lower jaw.
不过，即使恐龙的上颌牙齿向外翻，他们吃东西的时候大概还是闭着嘴。
But even with the dinosaur's upper-jaw teeth hinging outward, they could likely still chew with their mouths closed.
保证筛窦腔和上颌窦开口手术区完好的上皮化；
To ensure ethmoid sinus and maxillary sinus orifice complete epithelization.
如果累及副鼻窦，最常见的是累及筛窦及上颌窦。
If it affects the paranasal sinuses, it most commonly involves the ethmoidal and maxillary sinuses.
泪滴征是继发于眶内脂肪疝入上颌窦导致的浑浊。
The teardrop sign is secondary to opacification of the upper maxillary sinus from herniated orbital fat.
目的：探讨上颌第一前磨牙的根管解剖形态对根管治疗术难度的影响。
PURPOSE: to investigate the effect of root canal anatomy in maxillary first premolars on root canal treatment difficulty.
结论经上颌窦自然开口行上颌窦口穿刺是安全、简便和有效的一种诊治方法。
Conclusion Inserting the nasal probe into maxillary sinus ostium through maxillary sinus natural ostium is safe, simple and effective.
目的：研究传统上颌窦根治术后上颌窦局部骨质增生与瘢痕形成的病理改变情况，并讨论其临床意义。
AIM: To study the pathological changes of maxillary sinus in the patients after conventional maxillary radical treatment, Caldwell-Luc operation, and discuss its clinic significance.
在上颌，基牙的分布情况不允许做不覆盖腭部的设计。
In the maxilla, the abutment distribution did not allow a palatal-free restoration.
目的探讨内窥镜辅助下改良上颌窦根治术治疗非侵袭性上颌窦真菌病的疗效。
Objective: To explore the effect of modified radical operation with nasal endoscopy on non-invade the maxillary sinus mycosis.
目的探讨上颌窦癌的诊断和治疗方法。
Objective To investigate the diagnosis and treatment methods of maxillary sinus carcinoma.
目的总结上颌前牙埋伏阻生的X线影像特点。
Objective To summarize the X ray characteristics of embedded anterior maxillary teeth.
目的：探讨上颌前部阶段性骨切开术联合正畸治疗上颌前突的方法。
Objective to evaluate the effect of anterior maxillary segmental osteotomy (AMSO) combined with orthodontic treatment for maxillary protrusion.
方法37例骨量不足的病例，采用上颌窦提升术、上颌窦内提升术、牙槽骨撑开术、自体骨碎块和自体骨块移植术。
Methods 37 cases of bone deficiency were chosen to use maxillary sinus augmentation, localized management of sinus floor, autologous jaw chips transplantation, alveolar bone distraction.
目的探讨CT提示的各种骨质改变对上颌窦良恶性病变的鉴别诊断价值。
Objective To probe role of ct in suggesting benign or malignant lesions of the maxillary sinuses by detecting bone changes.
目的提高上颌骨动脉瘤样骨囊肿切除术的安全性和临床护理质量，减少并发症的发生。
Objective To raising the safety and clinical nursing quality of aneurismal bone cyst excision, and decrease the occurrence of complications.
方法采用螺旋CT扫描、计算机图像处理及CAD技术，建立含腭部种植体的上颌骨三维有限元模型。
Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
牙齿是嵌入在上颌骨和下颌骨的牙槽突。
The teeth are embedded in the alveolar process of the maxilla and mandible.
上颌窦口和上颌窦内的气体流速均较低。
The airflow in the maxillary air sinus and by the maxillary hiatus was slow.
目的探讨非侵袭型上颌窦真菌病的临床特征及手术方式。
Objective To investigate the clinical features of non-invasive maxillary sinus mycosis and operating procedures of surgical treatment for this lesion.
牙科修复治疗时为了达到满意的美学效果，上颌前牙的大小和形状异常重要。
In prosthodontics treatment the size and form of the maxillary anterior teeth are important in achieving pleasing esthetics.
牙科修复治疗时为了达到满意的美学效果，上颌前牙的大小和形状异常重要。
In prosthodontics treatment the size and form of the maxillary anterior teeth are important in achieving pleasing esthetics.
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