Zachrisson B U
Am J Orthod. 1978 Mar;73(3):274-89. doi: 10.1016/0002-9416(78)90134-3.
This article has aimed at providing information on how to improve clinical orthodontic results in cases in which maxillary central and lateral incisors are missing. Different sections deal with (1) treatment approach and mechanics, (2) details in finishing, (3) modifications of clinical tooth crowns by special procedures (grinding, composite "corners," gingivectomy), (4) functional considerations and root resorption, and (5) retention.
本文旨在提供有关如何在缺失上颌中切牙和侧切牙的病例中改善临床正畸效果的信息。不同部分涉及：（1）治疗方法和力学原理；（2）精细调整的细节；（3）通过特殊程序（打磨、复合树脂“边角”、牙龈切除术）对临床牙冠进行的修改；（4）功能考量和牙根吸收；以及（5）保持。
