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distractor
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  牵引器
    Reconstruction of segmental mandibular defect of canine using titanium-nickel distractor
    钛镍牵引器重建犬下颌骨节段缺失的初步研究
短句来源
    The Elasticity Output of Shape Memory Metal Alloy Distractor and its Effects on Distraction Osteogenesis
    记忆合金牵引器弹力输出及对牵引成骨的影响
短句来源
    X-ray image showed that after the equipment of the distractor, there was a little space between bone transporter and base bone and the first mandibular premolar was in the bone transporter.
    X线观察表明DO成骨是一个渐进性的骨生成的过程。 牵引器安装即刻,骨升段与骨基部间有一微小间隙,下颌第一前磨牙牙根位于骨升段内。
短句来源
    Osteotomy was performed in the mandibular and then the distractor was placed. After 4-day latency, the goats were distracted with 0.5mm twice per day for 10 days followed by a consolidation period.
    [材料与方法]将6只山羊的下颌骨截断,安置牵引器,延迟期4天后以0.5mm/次,2次/天的速率连续牵引10天;
短句来源
    other 3 cases had fracture of the mandibular inferior border and the troubles of the distractor;
    另 3例因牵引器故障 ,下颌下缘骨折等原因另行手术完成牵引 ;
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  “distractor”译为未确定词的双语例句
    Inthe group by varying the rate,the distractor was activated at a rate of 0.75mm×2/d to 9mm,then at a rate of 0.5mm×2/d to the other 6mm,andconsolidated for 30 weeks at most.
    变速组5只。 以0.75mm×2/d,牵引9mm,继续以0.5mm×2/d,牵引6mm,最长固定30周。
    In the other group at usual rate,the distractor was activated at 0.5mm×2/d to 15ram,and consolidated for 15 weeksat most.
    常速组4只,以0.5mm×2/d,牵引15mm,最长固定15周。
    Bone mineral density and biomechanical characters of the augmented alveolar ridge by distraction osteogenesis using Ti-Ni shape memory alloy distractor
    钛-镍记忆合金牵张成骨的新生骨骨密度及生物力学测试
短句来源
    The Biomechanical Analysis of Different Type of Alveolar Implantal Distractor
    不同种植体型牙槽嵴牵张器的生物力学分析
短句来源
    Results:14 weeks after application of the distractor the alveolar ridge increased (2.83±0.42) mm in height,mature trabecular bone was found in the increased part of alveolar ridge.
    结果 :1X线片测得采用种植体牵张成骨增高牙槽嵴为 (2 .83± 0 .42 ) mm;
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  distractor
Skeletally-anchored Rapid Maxillary Expansion using the Dresden Distractor
      
Verl?ngerung der unteren Extremit?t mit dem Intramedullary Skeletal Kinetic Distractor (ISKD)
      
Conventional methods comprise mounting patients on a traction table and applying manual distraction or employing special distraction devices, such as the AO distractor device.
      
The behavior of the model is demonstrated using examples of texture segmentation, figure-ground segregation, target-distractor asymmetry, and contour enhancement, and is compared with psychophysical and physiological data.
      
A visual search task was used, in which the observer is asked to detect a target dot, moving in 3D, amidst 3D stationary distractor dots.
      
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Objective To study the application of intraoral distraction osteogenesis in correction of various dentofacial deformities Methods From 1997, 12 cases with various dentofacial deformities were corrected by using 6 kind of intraoral distractor 3 cases of them were the patients with cleft palate who have severe secondary maxillary hypoplasia 4 cases with hemifacial microsomia, 2 cases with micrognathia and 3 cases with partial mandibular defect The maxillae were elongated from 10 mm to 15 mm, the...

Objective To study the application of intraoral distraction osteogenesis in correction of various dentofacial deformities Methods From 1997, 12 cases with various dentofacial deformities were corrected by using 6 kind of intraoral distractor 3 cases of them were the patients with cleft palate who have severe secondary maxillary hypoplasia 4 cases with hemifacial microsomia, 2 cases with micrognathia and 3 cases with partial mandibular defect The maxillae were elongated from 10 mm to 15 mm, the mandibles were elongated from 15 mm to 25 mm, the vertical mandibular distraction was from 10 15 mm Results All cases were corrected satisfactorily and have no any complications In 1 case the distracor did not work during distraction and was replaced Another case the mandibular margin fractured after distraction, the rigid fixation was performed for it Conclusions The intraoral distraction osteogenesis provides a new method with many advantages for those dentofacial deformities that are difficult correct by using ordinary orthognathic surgery

目的 探讨口内入路的颌骨牵引成骨技术在牙颌面畸形矫治中的应用。方法 使用 6种不同类型的口内牵引器分别水平向延长上颌骨和下颌骨体 ,水平垂直双向延长下颌骨升支以及垂直向延长牙槽嵴 ,以矫正重度上颌后缩畸形、小下颌畸形、半侧颜面发育不全畸形以及颌骨缺损畸形等 ,共 12例。结果  12例不同类型的颌骨牵引成骨除 1例因牵引器故障 ,中途更换 ,另 1例发生下颌下缘骨折并发症外 ,无感染、成骨不良、骨不愈合及开等并发症 ,12例成骨及矫治效果均满意。结论 口内入路的颌骨牵引成骨技术是治疗诸多常规正颌外科手术难以满意矫治的疑难病例的有效方法 ,且安全简便 ,术后稳定性好 ,值得推广应用

Objective To study the application of distraction osteogenesis in mandibular functional reconstruction. Methods Three kinds of mandibular distractors were used in 6 cases who had different mandibular defects because of tumor resection. For two cases with defect of most part of ramus specially desinged distractors were used in order to keep the normal height of the ramus. In one case the trifoci distraction principles were used and a trifoci distractor was desinged. In three cases the vertical distractors...

Objective To study the application of distraction osteogenesis in mandibular functional reconstruction. Methods Three kinds of mandibular distractors were used in 6 cases who had different mandibular defects because of tumor resection. For two cases with defect of most part of ramus specially desinged distractors were used in order to keep the normal height of the ramus. In one case the trifoci distraction principles were used and a trifoci distractor was desinged. In three cases the vertical distractors made in Germany or China respectively were used. The average age of 6 patients was 31.5 years old (from 8 to 54). Results The mandibular lengthenings in 5 cases were fully successful according to the direction and distance desinged before distraction. In one case the trifoci distraction principle was applied and a proximal 23 mm mandibular defect was corrected succesfully, however, the 23 mm distal mandibular defect had not corrected because the screws for fixation of the transport block was loosened. No infection and dysosteogenesis were happened in all cases. Conclusions Distraction osteogenesis can successfully be used in mandibular functional reconstruction and has much more adventages than traditional techniques. The most favorable time for distraction osteogenesis in mandibular reconstruction is at the same stage of tumor resection.

目的 探讨牵引成骨术在功能性颌骨重建中的应用。方法 使用 3种不同类型的国产颌骨牵引器 (2种是为颌骨不同类型重建而专门设计 )及德国Martin公司生产的垂直牵引器 ,共完成 6例不同类型的颌骨缺失重建 ,其中 2例升支大部切除 ,1例下颌骨体左侧缺失 ,3例分别为右侧及颏部保留下颌骨下缘的方块切除术后及下颌骨体左侧切除术后髂骨移植而骨量不足者。结果  5例按术前设计的要求顺利完成牵引成骨重建 ,1例因牵引器一侧固定臂螺钉从移动骨块上穿透仅完成一半缺失区 (2 3mm)的牵引成骨。全部病例均无感染、成骨不良等并发症。结论 牵引成骨技术可成功应用于功能性颌骨重建 ,较常规重建方法具有独特优势。不同类型的颌骨缺失重建皆可使用牵引成骨技术 ,最佳的牵引成骨时机是与肿瘤切除术同期进行

Objective: To document the feasibility of implants acting as distractor to elevate the alveolar ridge. Method: 6 dogs were divided into three groups by random. All mandibular premolars were extracted. Implant-retented alveolar ridge distracting operation was excuted after 3 months. 4 weeks, 9 weeks, 14 weeks later, 2 dogs were sacreficed individually, and the specimen were examined through calcified and non-calcified histological observation. Result: Mature trabeaculae bone and compact bone were found...

Objective: To document the feasibility of implants acting as distractor to elevate the alveolar ridge. Method: 6 dogs were divided into three groups by random. All mandibular premolars were extracted. Implant-retented alveolar ridge distracting operation was excuted after 3 months. 4 weeks, 9 weeks, 14 weeks later, 2 dogs were sacreficed individually, and the specimen were examined through calcified and non-calcified histological observation. Result: Mature trabeaculae bone and compact bone were found on section after 14 weeks. Conclusion:Implants-retented alveolar ridge distracting technique is expected to be applied into clinic.

目的 :从组织学角度研究种植体作为牵张装置增高牙槽嵴应用的可行性。方法 :杂交家犬6只 ,随机分为3组 ,拔除所有的前磨牙。3月后在下颌前磨牙区施种植体牵张成骨增高牙槽嵴术 ,术后4周、9周、14周取标本 ,进行脱钙组织学检查和非脱钙组织学检查。结果 :术后14周牵张区形成成熟的骨小梁及骨皮质 ,种植体为骨性结合。结论 :种植体牵张成骨增高牙槽嵴术可应用于临床。

 
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