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- Objective T o observe the clinical effect on the treatment of traumatic intrusion of upper ant erior teeth using orthodontic extrusion combined with fixation. 目的观察正畸牵引复位联合固定术治疗外伤性上前牙嵌入的效果。
- Keywords rapid orthodontic extrusion;subgingival tooth fracture;esthetic restoration; 快速牵引;龈下牙折;美学修复;
- orthodontic extrusion 正畸牵引
- rapid orthodontic extrusion 快速牵引
- The springboard is made of an aluminium extrusion. 跳板是铝制的挤压板。
- Panoramic X-ray before orthodontic treatment. 图3.;矫正治疗前之环口放射线X光片。
- Intraoral photographs a fter orthodontic treatment. 图6.;矫正治疗后之口内相片。
- Panoramic X-ray before orthodontic trea tmen t. 图3.;矫正治疗前之环口放射线X光片。
- Disc extrusion or extrude in 19 cases. 合并椎间盘碎裂或单纯椎间盘突出19例;
- Suitable for extrusion of thick-wall parts. 适用于厚壁零件的挤压。
- WUXI SUPERHUMAN GEAR COLD EXTRUSION CO., LTD. 无锡市神力齿轮冷挤有限公司。
- Hot forging, rolling, extrusion, etc. 热锻、滚轧、热压等等。
- THIRD LAY: POLYETHENE EXTRUSION LATERAL APPLIED. 第三层聚乙烯应用（侧向挤压？）
- It is difficult to upright the mesial tipping and over-erupted molars without extrusion with traditional orthodontic method. 摘要以传统的矫正方式来扶正向近心移动、倾倒及过度萌出的大臼齿是相当困难的。
- Objective: To prevent enamel opaque spot after orthodontic etching. 目的：预防口腔固定正畸酸蚀牙釉白斑的发生。
- Objective：To prevent enamel opaque spot after orthodontic etching. 目的：预防口腔固定正畸酸蚀牙釉白斑的发生。
- Extrusion punches must be coated to prevent galling. 为防止磨损拉伸冲头必须做镀层处理。
- Methods Introduce the orthodontic methods through the typical case. 方法:结合典型病例介绍矫治方法。
- Objective:To prevent enamel opaque spot after orthodontic etching. 目的:预防口腔固定正畸酸蚀牙釉白斑的发生。
- The springboard is made out of an aluminum extrusion. 跳板是铝制的挤压板。
