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纵折
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  longitudinal fracture
     Clinical Analysis on 274 Cases of Longitudinal Fracture of Posterior Teeth
     后牙冠根纵折274例的临床分析
短句来源
     Clinical Analysis on Longitudinal Fracture of Molar Treatment in Conservative and Crown Repair
     磨牙纵折治疗及全冠修复的临床分析
短句来源
     Conclusion This method might be an effective for longitudinal fracture of buccal teeth.
     结论对纵折病例经完善的根管治疗进行全冠修复,是一种行之有效的治疗方法。
短句来源
     Clinical Observation of Conservative Treatment of Longitudinal Fracture Buccal Teeth
     后牙纵折保存治疗的临床观察
短句来源
     Objective To discuss the conservative repair and treatment of longitudinal fracture of buccal teeth.
     目的探讨后牙冠根纵折保存修复治疗的方法与疗效。
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  “纵折”译为未确定词的双语例句
     RESULTS:The effect ratio is 92.6% for odentoschim,90.9% for oblique odontoclasis,64.0% for vertical odontoclasis. The total effect ratio is 86.3%.
     结果 :隐裂型成功率为92 .6 % ,斜折型为 90 .9% ,纵折型为 6 4 .0 % ,总成功率为 86 .3%。
短句来源
     Preservative therapy of the longitudinal fissures of the back teeth: An Analysis of 25 cases.
     纵折后牙的保存治疗25例分析
短句来源
     Analysis of 451 Cases of Posterior Teeth with Vertical Fracture after Endodontium Treatment
     牙髓治疗的后牙纵折451例分析
短句来源
     Methods 30 healthy premolars were divided into 3 groups, all be prepared according to vertical fractured model. Then the teeth were boned by using Clearfil SE Bond/AP-X, Super-Bond C&B, and Single Bond/F2000 Compomer respectively. After being put into 0.5% methylene blue solution for 72 hours, the dye pervasion depth of these bonded teeth were observed under scan electron microscopy.
     方法选用健康前磨牙30颗,随机分为3组,制备成后牙纵折模型,分别用Clearfil SE Bond/AP-X(A组)、Super-Bond C&B(B组),Single Bond/F2000Cmpomer(C组)进行粘结,在0.5%亚甲基蓝溶液中染色72h后,在电镜下观察染料渗透深度。
短句来源
     Results:In this seris dorsal impinged type 21 cases,palmar impinged type 5 cases,transverse type 3 cases,Iongitudinal type 1 case.
     结果:背侧撞击型21例,掌侧撞击型5例,横折型3例,纵折型1例。
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  相似匹配句对
     Analysis and treatment of longitudinal fractures of the posterior teeth
     后牙治疗的调查分析
短句来源
     Clinical survey of vertical root fracture in elderly
     老年人牙根临床分析
短句来源
     BROKEN VECTOR SPACE
     向量空间
短句来源
     New Argumentation on Remission of Prisoners
     囚新论
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     Technical modifications to slitting cutter
     剪机的改造
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  longitudinal fracture
Accurate diagnosis was only obtained by helical CT which showed the longitudinal fracture line.
      
The force to create a longitudinal fracture in the femur was 1915 N to 9288 N (median 6531 N).
      
In a patient with osteogenesis imperfecta, during the inflation of the nail for the treatment of femur fracture, a new longitudinal fracture occurred and conventional non-locking intramedullary nail was inserted.
      
Externally visible signs of a longitudinal fracture were present only in 4 cases.
      
Biomechanical, clinical and radiological findings are reported (longitudinal fracture at the L3, vertebral compressions, intervertebral disc lesions, vertebral arch lacerations and incomplete para-paresis from L2 distally.
      
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Forty-six patients with longitudinal fracture of crowns of molar teeth were treated with wring fixation. The results showed that the restoration was successful in 38 cases(83%), and unsuccessful in 8 cases(17%). It is indicated that method is effective for treatment longitudinal fracture of posterior teeth.

对46例后牙冠部纵折并穿透髓室底之冠根折患者,采用患牙栓结、锁钉固位后行全冠修复治疗。结果:38例获得成功,占83%;失败8例,占17%。认为本法是治疗后牙纵折的有效方法,值得临床推广应用。

Edentuous jaws are usually restored by full dentures which are made of PMMA. But 14% of them break down on weak areas, particulacly the middle line weak area. Holographic Interferometry has been employed by us in studying the structure of full dentures. We studied the true full demure for patients who felt very com fortable after they had used it. The experiments were done in the professional lab. With full demure loaded by mechanism at a standstill, a weak area in demure to be noticed was found. The result...

Edentuous jaws are usually restored by full dentures which are made of PMMA. But 14% of them break down on weak areas, particulacly the middle line weak area. Holographic Interferometry has been employed by us in studying the structure of full dentures. We studied the true full demure for patients who felt very com fortable after they had used it. The experiments were done in the professional lab. With full demure loaded by mechanism at a standstill, a weak area in demure to be noticed was found. The result revealed two pressure stress areas and three pulling strees areas. The anterior teeth area base plate is thinner, and there is an obvious turncurve, because where the stress is concentrated on the anatomical structure. At this point, base breakdown is easiest.This report first suggests the cause of complete demure breakdown in relation to the physiological anatomical structure. In'Alrder to make the complete demure base plate stronger and to overcome the unfavourable factors in physiological anatomical structure, we must strengthen the base structure in the stress distributing areas.

无牙上颌的修复,通常使用可摘全口义齿,这类义齿常发生连接体的纵折和斜折,严重影响了修复质量.因此,可摘全口义齿的折裂已成为口腔修复学临床的一大难题,引起了众多学者的关注和研究。本文作者选用的激光全息干涉量度法,能对真实义齿的应力状态进行分析,对临床应用有更实际的指导意义。经定性与定量的研究,发现了上颌总义齿恒定的薄弱区,同时发现这些薄弱区均与人体生理解剖结构密切相关,从而提出改进可摘全口义齿设计、预防基托折裂的方法。

ix cases showing abnormal radiographic appearance of the pulp cavity are presented in this article. According to the etiology,they are approximately divided into four patterns as follows: The first one was caused by hereditary diseases, represented by mainly opalescent dentin. In the early stage,enlargement of the pulp cavity is obvious in radiograph,but in the late stage extensive atresia is observed. The second one was caused by tooth dysplasia. Its common clinical features are the maxillary lateral incisor...

ix cases showing abnormal radiographic appearance of the pulp cavity are presented in this article. According to the etiology,they are approximately divided into four patterns as follows: The first one was caused by hereditary diseases, represented by mainly opalescent dentin. In the early stage,enlargement of the pulp cavity is obvious in radiograph,but in the late stage extensive atresia is observed. The second one was caused by tooth dysplasia. Its common clinical features are the maxillary lateral incisor accompanied by a lingual gingival groove and the mandibular second molar a“c-shaped”root canal. In radiograms,the former looks like a second root canal,while the latter regular pictures as if a reamer has perforated the pulp floor. The third one was caused by root fracture, especially root vertical fracture. The root canal space can be seen widened. The abnormal images might be due to the change of X-ray projected angulation. It's important that a clinical doctor must know all these in order to make correct diagnosis and render proper treatment.

作者报道了6例髓腔X线影像异常表现的病例。根据其发生原因大致有以下4类:(1)由遗传性疾病所致,主要是乳光牙,X线片表现为早期的髓腔扩大和晚期髓腔闭锁;(2)因牙齿发育异常引起,临床多见上侧切牙根面沟和下颌第二磨牙马蹄形根管,X线影像异常表现分别为类似第二根管及扩大针贯穿髓底;(3)由根折引起的X线影像异常,多见根纵折,表现为根管间隙增宽;(4)其他是由于X线透射等造成影像异常。临床医师对于这些应有所了解,以便能做出正确的诊断和处理。

 
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