2) orthodontic traction
正畸牵引
1.
Orthodontic traction of impacted maxillary canine:a comparison of different ages;
不同年龄组上颌埋伏阻生尖牙正畸牵引的疗效比较
2.
Objective:To explore the restoration methods of the application of orthodontic traction,gingivectomy and conservation of subgingival residual roots before restoration in anterior teeth roots damaged below the gingival margin(1.
0 mm的前牙牙根作修复前的正畸牵引术和牙龈切除术,保存龈下残根的修复方法。
3.
5mm by orthodontic traction method,and were restored by dowel crown after 3 months.
目的:研究前牙断根至龈下经正畸牵引后的烤瓷桩冠修复方法。
3) elastics
[英][i'læstik] [美][ɪ'læstɪk]
牵引圈
1.
Objective To evaluate the mechanical properties of four kinds of orthodontic rubber elastics through static testing under air, water and saliva conditions, and to evaluate their biologic (cytotoxic) properties.
目的 通过分析四种常用正畸牵引圈在三种介质中的力学特性和生物学特性,为正畸临床医师选择合适的正畸用乳胶牵引圈提供客观依据。
4) Apron Draft
胶圈牵伸
5) Primary tooth orthodontic movement
乳牙正畸
6) rubber latex ring(band)
胶乳胶圈
补充资料：口腔正畸学
口腔正畸学
orthodontics
是研究人体咀嚼器官的先天畸形和生长发育过程中出现的颌骨、牙、牙列及咬■畸形的病因、病理、诊断、预防和矫治的一门学科。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条