plaster casts

Methods By analyzing 196 dental plaster casts of malocclusion patients, we measured Bolton anterior and overall ratios of each group and analyzed the statistic results of tooth-size discrepancy.

方法把符合标准的196副模型，获取其Bolton指数的前牙比和全牙比及牙量不调量并进行统计分析。

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he administered local anesthetics for tooth extraction, dressed wounds and applied plaster casts.

他亲自施局部麻醉，给学生拔除病牙，伤口敷药，折骨上石膏和绷带包扎等工作。

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this generally takes two or three days for plaster casts, and an hour for fiberglass casts.

对于石膏板，大约要两三天，而玻璃纤维夹板则仅仅只用一个小时。

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the bars and clubs are now full of young people sporting cuts, burns and plaster casts.

酒吧和夜总会里到处是擦伤、灼伤和上着石膏的年轻人。

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The museum's top floor displays the section of the frieze that Elgin's agents left behind, joined to plaster casts of the90-odd works in London.

博物馆的顶层显示出埃尔金的代理人留下的檐壁部分，与伦敦的90多件作品的石膏模型结合在一起。

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mr clich had obtained plaster casts of the moulds for the biddenden cakes and studied them thoroughly.

克林齐得到了比登登糕饼模具的石膏模型，并对其做了全面的研究。

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therefore, the researchers concluded that previous research--largely based on plaster casts made from the vocal tracts of a monkey cadaver--underestimates primate vocal abilities and that evolution of human speech capabilities required neural changes rather than an adaptation of vocal anatomy.

因此研究者们作出结论，之前的研究（很大程度上基于一只死亡猴子声道的石膏模型）低估了灵长类动物的发声能力，而人类语言能力进化需要的是神经的改变，而不是声道生理构造的改变。

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three block patterns were created by coat 4.1 software on the basis of plaster casts.

3种原型板在石膏模型的基础上用COAT4.1软件获得。

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Methods One hundred and ninety-three teeth with wedge-shaped defects were selected in 69 plaster casts.

方法选取69副牙石膏模型上的193颗上颌患楔状缺损牙齿，游标卡尺测量牙颈部缺损的侧影深度、宽度和高度，计算测量体积；

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methods: ten plaster replication models for each impression materials were made on the same metal master cast respectively, vertical and horizontal dimensions between landmarks on the masters and plaster casts were measured with an optical microscope. anova was used to compare the measurements among the materials.

方法：分别用4种模型材料制取10个同一金属实验模具的石膏模型，用测量显微镜测量金属模型和石膏模型上各标志点的距离，精度为0.001mm，所得数据进行统计分析。

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He walked clumsily because of the plaster casts on his legs.

因为腿上打着石膏绷带,他走路姿势笨拙.

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the museum of classical archaeology is one of the few surviving collections of plaster casts of greek and roman sculpture in the world.

古典考古博物馆是世界上少数收藏有古希腊和古罗马石膏铸体的博物馆之一。

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