1·To investigate the clinical effects of dental implantation after column hole shape endosseous expansion in alveoli of anterior maxilla.
观察上颌前部牙槽骨内圆柱洞形扩宽后行同期人工牙种植的临床效果。
2·Rapid maxillary expansion is a method which is often being used to treat the transverse discrepancy of widths of maxilla.
快速上颌扩展是一种常用的矫治上颌横向宽度不调的方法。
3·Methods Apply a combined treatment of osteotomy on the anterior part of maxilla coupled with the method of fixing rectification of deformation before and after the surgery.
方法采用上颌前部骨切开术，结合术前、术后的固定正畸方法联合治疗。
4·Method Apply a combined treatment of osteotomy on the anterior part of maxilla coupled with the method of fixing rectification of deformation before and after the surgery.
方法采用上颌前部骨切开术，结合术前，术后的固定正畸方法联合治疗。
5·Conclusion: The possibility of ill-position and heteroplasia of teeth in maxilla increases in the patients with anterior crossbite.
结论：前牙反牙合使得上颌牙齿的错位及发育异常明显增加。
1·Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
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。
2·The teeth are embedded in the alveolar process of the maxilla and mandible.
牙齿是嵌入在上颌骨和下颌骨的牙槽突。
3·Methods:113 cases of midface fractures were reviewed. The nasal bone fracture, zygomatic arch fracture, optic nerve contusion, zygomatic maxilla fracture were treated.
方法：回顾分析113例面中部骨折的临床资料，治疗了鼻骨、颧弓、视神经损伤及颧上颌骨骨折。
4·Methods Spiral ct scanning, image processing and CAD technology and FEM software were employed in the study to construct the three-dimensional finite element model of maxilla with a palatal implant.
方法采用螺旋ct断层扫描、计算机图像处理、计算机辅助设计和有限元软件处理，建立含腭部种植体的上颌骨三维有限元模型。
5·Conclusion This method can both abstain the damage of maxilla, also push back the mucosal flap of the soft palate effectively.
结论此法在修复腭裂时，既能避免上颌骨的损伤，又能有效地后推软腭。
1·This case report here presents a child with 3 impacted teeth in right anterior maxilla.
本篇病例报告是一个在上颚前牙区有三颗阻生牙之病例。
2·The wall of the maxilla protrudes in an arc shape and the wall of the protruding arc surface is provided with an observing port;
上颚壁面呈弧形外突，并在该弧形外突壁面上设有观察窗开口；