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zygomatic implant
相关语句
  颧骨种植体
     Establishment of Three-dimensional Finite Element Model for Maxillary Posteriortooth Area,Maxillary Sinus,Zygoma and Zygomatic Implant.
     上颌后牙区、上颌窦、颧骨及颧骨种植体的三维有限元模型建立
短句来源
     Conclusions This experiment has successfully established the animal model for backward traction of maxilla with zygomatic implant anchorage, the results indicates that zygomatic miniplate implant can be utilized as the anchorage in maxillary orthopedic treatment.
     结论本实验成功建立了颧骨种植体支抗向后牵引上颌骨的动物模型,其结果表明颧骨微钛板种植体可为正畸颌骨矫形治疗提供有效而稳定的支抗。
短句来源
     Objective: To explore the method to construct three-dimensional finite element model for maxillary posterior-tooth area,maxillary sinus, zygoma and zygomatic implant.
     目的:探讨上颌骨后牙区、上颌窦、颧骨及颧骨种植体的三维有限元建模方法。
短句来源
     Methods: A young man with normal occlusion was adopted for spiral CT scanned transverse section which was then used to establish the model by 3D-Doctor and ABAQUS computer software. Zygomatic implant was simulated into the model.
     方法:采用螺旋CT扫描正常成人颅颌骨,利用3D-Doctor软件进行数据采集,数据导入ABAQUS软件中建立三维有限元模型,并模拟建立颧骨种植体模型。
短句来源
     Conclusion: The method to develop three-dimensional finite element model for maxillary posterior-tooth area,maxillary sinus,zygoma and zygomatic implant by spiral CT scanning and ABAQUS software was feasible.
     结论:采用CT扫描技术及ABAQUS建模技术可以建立切实可行的上颌骨后牙区、上颌窦、颧骨及颧骨种植体的生物力学模型。
短句来源
  “zygomatic implant”译为未确定词的双语例句
     The Establishment of the Animal Model for Backward Traction of Maxilla with Zygomatic Implant Anchorage
     种植体支抗向后牵引上颌骨动物模型的建立
短句来源
     Three-Dimensional Finite Element Research on Zygomatic Implant Denture in the First-Maxillary-Molar Area
     上颌第一磨牙区颧骨种植义齿的三维有限元研究
短句来源
     COMBINED VASCULARIZED ILIAC OSTEOMUSCULOCUTANEOUS FLAP WITH ZYGOMATIC IMPLANT ANCHORAGE IN RECONSTRUCTING 1 CASE OF MAXILLARY DEFECT
     复合髂骨肌皮瓣同期颧种植重建上颌骨缺损一例
短句来源
     Objective To establish the animal model for backward traction of maxilla with zygomatic implant anchorage.
     目的建立种植体支抗向后牵引上颌骨的动物模型。
短句来源
  相似匹配句对
     To implant PDE.
     为了实现PDE.
短句来源
     IMMEDIATE IMPLANT
     即刻种植义齿
     The Establishment of the Animal Model for Backward Traction of Maxilla with Zygomatic Implant Anchorage
     种植体支抗向后牵引上颌骨动物模型的建立
短句来源
     Objective To establish the animal model for backward traction of maxilla with zygomatic implant anchorage.
     目的建立种植体支抗向后牵引上颌骨的动物模型。
短句来源
     Advances on the Treatment of Zygomatic Fractures
     颧骨骨折治疗的研究进展
短句来源
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Objective: To compare the biological mechanics behavior of osseointegrated implants with two directions in zygomatic body. One was implanted into zygoma-area perpendicularly to occlusal plane . The other was implanted into zygomatic body in the defect cavity, across with horizontal plane at an angle of 30 degree. Methods: Two three-dimensional finite element models of implants in defective maxillary complex were built according to the designs above. The different biological mechanics behavior was shown under...

Objective: To compare the biological mechanics behavior of osseointegrated implants with two directions in zygomatic body. One was implanted into zygoma-area perpendicularly to occlusal plane . The other was implanted into zygomatic body in the defect cavity, across with horizontal plane at an angle of 30 degree. Methods: Two three-dimensional finite element models of implants in defective maxillary complex were built according to the designs above. The different biological mechanics behavior was shown under the same loading perpendicular to occlusal plane with a value of 100 N. Results: Equivalent stress in cervical region of implant-bone interface of oblique implant was about four times larger than upright implant. The maximal tensile stress was 10 times larger than upright implant; the maximal compressive stress 5 times; and the maximal shearing stress 4 times. Though the stress conductions of two models were all simulated with zygoma-tuberosity buttress, stresses of the instance of lateral force were much larger than that of axial force in other skull bones. Conclusions: Whether stress distribution in studied area or other skull bones, the state of perpendicularly implant is much surperior to oblique implant. It is suggested that the biological mechanics behavior of zygomatic-area perpendicular implant used in zygo-buccal flange osseointegrated implant obturator is much superior to the conventional obturator with zygomatic implant inclined.

目的:比较上颌骨大型缺损后,行颧区成形术,在颧骨体底部垂直于牙合平面方向植入的种植体,与直接往颧骨体斜向30°植入的种植体在垂直牙合力作用下表现的生物力学行为差异。方法:按照两个不同种植体义颌的设计特点建立两个一侧上颌骨大型缺损种植体复合体的三维有限元模型,在相同的垂直于牙合平面加载100N,比较两者的受力情况。结果:斜向植入种植体颈部最大等效应力约是垂直植入种植体的4倍;最大拉应力约是垂直植入种植体的10倍;最大压应力约是垂直植入种植体的5倍;最大剪应力约是垂直植入种植体的4倍。虽然两者在颧骨体以外其余部位的应力分布均类似于颧突支柱的应力传导路径,但斜向种植体受侧向力后在主要传导路径上的最大应力值都要明显高于垂直种植体的轴向受力情况。结论:无论是颧骨体研究区的应力分布,还是颧骨体以外其余颅骨骨质的应力情况,垂直植入都要明显优于斜向植入。提示采用在颧区垂直种植的颧颊翼种植体义颌,比颧骨体斜向种植的常规种植体义颌具有优越的生物力学表现。

PURPOSE:Prosthetic reconstruction of the upper jaw in patients with extensive bone and soft tissue defects is still a significant challenge. This study evaluated the functional results of zygomatic implants and vascularized bone graft reconstruction of the maxillary defects in 4 patients. METHODS: Complex resections of the maxilla produced a three-dimensional defect in 4 patients. On the basis of an axial spiral CT data, anatomical models of natural size by CAD/CAM system was manufactured to enable preoperative...

PURPOSE:Prosthetic reconstruction of the upper jaw in patients with extensive bone and soft tissue defects is still a significant challenge. This study evaluated the functional results of zygomatic implants and vascularized bone graft reconstruction of the maxillary defects in 4 patients. METHODS: Complex resections of the maxilla produced a three-dimensional defect in 4 patients. On the basis of an axial spiral CT data, anatomical models of natural size by CAD/CAM system was manufactured to enable preoperative measurements of relevant parameters. After tumor resection, reconstruction using the fibula or iliac osteocutaneous flap with titanium osseointegrated implants was performed. Maxillary and zygomatic measurements were also used to obtain information for installing 6 zygomatic implants and 7 dental implants. RESULTS: The bone from the fibula or iliac osteocutaneous flap was contoured to recreate the maxillary arch in 4 patients. The anatomical model and surgical palate was used for preoperative planning and intraoperative control of the insertion of 6 zygomatic fixtures after subtotal maxillectomy. The implants could be positioned precisely as preoperatively planned. CONCLUSIONS: The use of zygomatic fixtures after ablative tumor surgery with resection of the maxillary bone is valuable in providing new zygomatic buttresses that play a key role in the form of the midface. Maxillary rehabilitation can be further improved by using the vascularized bone graft and zygomatic implants. Reconstitutions of the buttresses system ensure a stable base for occlusion, which is essential to optimal functional and esthetic maxillary rehabilitation. Supported by Research Fund (No. 2004BA720A27) of National Tenth Five-Year Project.

目的:评价颧种植体结合血管化骨瓣修复上颌骨缺损的效果。方法:对4例上颌骨切除术后缺损患者,利用三维CT数据,借助CAD/CAM系统制作1∶1大小的解剖模型,术前测量相关参数并制作精确种植模板。术中采用血管化骨肌皮瓣和骨结合牙种植体修复上颌骨缺损,利用上颌骨和颧骨的测量数据,结合定位模板共植入6枚颧种植体和7枚牙种植体,颧种植体结合血管化骨瓣重建上颌骨的形态和功能。结果:利用血管化骨瓣重建4例患者的上颌牙弓形态,使面中1/3得以恢复;在术前设计和术中植入6枚颧种植体和7枚常规种植体时,应用解剖学模型和外科模板,使种植体精确定位。结论:上颌骨术后缺损,可采用颧种植体重建颧上颌支柱,恢复面中1/3的形态;使用血管化骨瓣结合颧种植体,提高了上颌骨缺损修复的效果;颧上颌支柱的恢复,使牙合的稳定得到了保证,从而有利于美观和功能的恢复。

Objective To establish the animal model for backward traction of maxilla with zygomatic implant anchorage. Methods A male rhesus with mixed dentition was selectd as thd experimental animal, two titanium miniplates were surgically fixed on the left and right zygomatic bones as the anchorage for backward traction of maxilla. A NiTi closure coil was attached to the miniplate and maxillary dental splint on each side. By opening the closure coil, a backward force of 150g was exerted on each side of the...

Objective To establish the animal model for backward traction of maxilla with zygomatic implant anchorage. Methods A male rhesus with mixed dentition was selectd as thd experimental animal, two titanium miniplates were surgically fixed on the left and right zygomatic bones as the anchorage for backward traction of maxilla. A NiTi closure coil was attached to the miniplate and maxillary dental splint on each side. By opening the closure coil, a backward force of 150g was exerted on each side of the maxila(totally 300g)for 4 months. Results The zygomatic implants kept stable during the experiment. The molar relationship of both sides changed from Class I into CIass Ⅲ and the edge-to edge anterior dental relationship replaced by crossbite, the sagital growth of maxilla was retarded and the mandible and lower dentition kept growing forward and downward. Conclusions This experiment has successfully established the animal model for backward traction of maxilla with zygomatic implant anchorage, the results indicates that zygomatic miniplate implant can be utilized as the anchorage in maxillary orthopedic treatment.

目的建立种植体支抗向后牵引上颌骨的动物模型。方法选用混合牙列期雄性恒河猴为实验动物,以种植在双侧颧骨体部的微钛板作为支抗,通过连接在钛板与上牙弓夹板拉钩之间的钛镊拉簧对上颌骨施加150g/侧的向后牵引力,持续作用4个月;通过模型测量和头影重叠描记的方法观察矫治结果。结果实验期间,颧骨种植体保持稳定;实验动物的双侧磨牙关系由Ⅰ类变为Ⅲ类,切牙由切变为反;上颌骨矢状方向的生长受到抑制,而下颌骨及下牙弓则持续向前下生长。结论本实验成功建立了颧骨种植体支抗向后牵引上颌骨的动物模型,其结果表明颧骨微钛板种植体可为正畸颌骨矫形治疗提供有效而稳定的支抗。

 
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