Orthodontic miniplate with tube as an efficient tool for borderline cases
Orthodontic miniplate with tube as an efficient tool for borderline cases
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DOI：
10.1016/j.ajodo.2008.08.041
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发表时间：
2011-04-01
影响因子：
3
通讯作者：
Nelson, Gerald
中科院分区：
文献类型：
--
作者：
Chung, Kyu-Rhim;Kim, Seong-Hun;Nelson, Gerald
一种正畸微型接骨板管装置，即C形管，设计用于常规微型螺钉不适用的患者，如根间隙狭窄、上颌窦扩大、牙根撕裂或牙槽骨严重丢失的患者。局部麻醉后，在放置区域做2个平行的水平切口，并抬高骨膜。将C形管滑入粘膜瓣下，并用自钻微型螺钉（直径1.5 mm;长度4 mm）固定。由于螺钉较短，在牙槽骨板中有足够的固位力，临床医生可以避免锚定到骨支持物上增加的发病率。这使得在表面麻醉下放置成为可能。头部的小卷管可以充当正畸管并容纳弓丝或作为挂钩来连接正畸橡皮筋。然而，在某些患有动脉硬化或全身性疾病的患者中，如糖尿病，或重度吸烟者，建议使用具有较长微型螺钉的交叉型C管以获得更好的稳定性。在复杂情况下，这种新型的正畸微型板可以有效地替代传统的单组件螺钉或微型板。(Am J Orthod Dentofacial Orthop 2011; 139：551-62）
An orthodontic miniplate tube device, the C-tube, was designed for use in patients for whom a conventional miniscrew is not suitable, such as those with narrow interradicular spaces, extended maxillary sinuses, dilacerated roots, or severe alveolar bone loss. After local anesthesia, 2 parallel horizontal incisions are made in the area of placement, and the periosteum is elevated. The C-tube is slipped under the mucosal flap and fixed with self-drilling miniscrews (diameter, 1.5 mm; length, 4 mm). Because the screws are short, there is adequate retention in the alveolar plate, and the clinician can avoid the increased morbidity of anchoring to the zygomatic buttress. This makes placement possible with superficial anesthesia. A small rolled tube at the head part can act as an orthodontic tube and accommodate archwires or as a hook to attach orthodontic elastics. However, in some patients with pneumatization or systemic diseases, such as diabetes mellitus, or in heavy smokers, crosstype C-tubes with longer miniscrews are recommend for better stability. This new type of orthodontic miniplate can be an effective alternative to conventional 1-component screws or miniplates in complex situations. (Am J Orthod Dentofacial Orthop 2011; 139: 551-62)