后牙

Methods Four three-dimensional finite element models were constructed by the data of spiral CT:1Mandibular second premolar restored directly by full crown;2Fill the perforating cavity with resin material and full crown restoration;3Cast nickel chromium alloy post core plus full crown restoration;4Fiber post and resin core plus...

方法采用螺旋式CT扫描获取数据，建立下颌第二前磨牙4种情况下的三维有限元模型：1直接全冠修复；2用树脂材料充填开髓洞形后全冠修复；3铸造镍铬合金桩核与全冠修复；4纤维桩树脂核与全冠修复。

Objective To investigate the transformation of microhardness and microstructures of human dental flu-orosis after demineralization and remineralization in vitro.

目的 研究离体氟斑牙早期龋模型经再矿化处理后，釉质表面显微硬度及微观形貌的变化。

You need to brush your teeth after every meal and use dental floss.

每餐后要刷牙并使用牙线。

Dental floss before or after you brush?

牙线是刷牙前用还是后用？

Encapsulated amalgam contains two parts, a metal alloy as well as mercury, which are delivered in separate sections that are mixed after they have been delivered to the dentist's office, said Dr.

被包裹的汞包含两个部分，金属合金和水银，他们被分开递送，到牙医办公室后混合，FDA 牙产品委员会成员麦克。

Methods:the result of making stealthy false tooth in 262 patients with dentition defect was analyzed.

对262例牙列缺损患者制作隐形义齿后的结果进行分析。

The effect of preventing dental hypersensitiveness by using Green Or and Gluma desensitizer after subgingival scaling with ultrasonic instrument is ideal.

极固宁、Gluma脱敏剂对治疗龈下刮治后产生的牙本质过敏有着较为理想疗效。

Methods Seventeen cases of open skull fracture were selected(8 cases of 3-4cm defective area,6 cases of 5-6cm and 3 cases of 7-8cm),under only one routine debriedement all cases were used with DHDM 2-6g according to the range of defective area and mixed with smashed bone pieces grinding into 3-5mm in diameter,scattered it on the dure mater surface then skin flap was overlapped and sutured in layers.

方法对17例开放性颅骨骨折病例(伤后24小时内)常规清创处理，同时将创伤区粉碎之颅骨用骨钳咬碎成3～5mm颗粒，与制备好的脱钙人牙基质2～6g均匀混合，平铺在颅骨缺损区的硬脑膜上，覆盖头皮，分层缝合。

Earache may also be caused by build up of uninfected mucus after a cold, or toothache.

earache也可能导致建立的未感染的粘液后，患感冒，或牙痛。

Methods:Three dimensional finite element model of the edentulous maxilla with unilateral maxillary defect was build.

目前应用种植体技术是解决无牙颌上颌骨缺损及缺失后咀嚼功能重建的最有效途径[2～5]。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。