嵌在上、下颌骨的牙槽内，分别排列成上牙弓（upper dental arch）和下牙弓（lower dental arch）。
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上颌动脉 - Arteria maxillaris 上颌牙弓; 上牙弓 - Arcus dentalis maxillaris; Arcus dentalis superior 上颌神经;上颌支 Vb; V2 - Nervus maxillaris[Vb; V2] ..
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上颌牙弓狭窄 constricted maxillary arch
上颌牙弓 dental arch of maxilla ; maxillary dental arch
上颌牙弓拥挤度 USD ; Upperspacediscrepancy
释义上颌唇面牙弓夹板 maxillary labial arch splint
牙弓上升 attraction of dental arch
取得理想的上颌牙弓 Obtain ideal maxillary arch
上颌骨及牙弓生长发育 Maxilla and dental arch growth and development
·2,447,543篇论文数据，部分数据来源于NoteExpress
结果不对称畸形上牙弓双侧狭窄；
Results Upper arch is narrower than normal in craniofacial asymmetry.
上牙弓发育较早，但下牙弓发育速度快于上牙弓。
The development of the upper dental arch was earlier, but the down dental arch faster.
方法应用牙连同颌组织连续切片技术，对40例不同胎龄胎儿的上下颌骨作水平方向切片，观测并统计。结果胎儿28周后牙胚拥挤，上牙弓拥挤更显著；
Methods The maxillary and mandible of 40 fetuses (different ages) were cut horizontally with toothwithjaw continual tissue slices technique, observation and statistics.
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