Umemori M, Sugawara J, Mitani H, Nagasaka H, Kawamura H
School of Dentistry, Tohoku University, Sendai, Japan.
Am J Orthod Dentofacial Orthop. 1999 Feb;115(2):166-74. doi: 10.1016/S0889-5406(99)70345-8.
A skeletal anchorage system was developed for tooth movements. It consists of a titanium miniplate that is temporarily implanted in the maxilla or the mandible as an immobile anchorage. In this article, we introduce the skeletal anchorage system to intrude the lower molars in open-bite malocclusion and evaluate the results of treatment in two severe open-bite cases that underwent orthodontic treatment with the system. Titanium miniplates were fixed at the buccal cortical bone around the apical regions of the lower first and second molars on both the right and left sides. Elastic threads were used as a source of orthodontic force to reduce excessive molar height. The lower molars were intruded about 3 to 5 mm, and open-bite was significantly improved with little if any extrusion of the lower incisors. No serious side-effects were observed during the orthodontic treatment. The system was also very effective for controlling the cant and level of the occlusal plane during orthodontic open-bite correction.
一种用于牙齿移动的骨锚固系统被研发出来。它由一个钛制微型板组成，该微型板被临时植入上颌或下颌作为固定的锚固装置。在本文中，我们介绍了用于矫治开牙合错牙合畸形中压低下颌磨牙的骨锚固系统，并评估了两例接受该系统正畸治疗的严重开牙合病例的治疗结果。钛制微型板固定在左右两侧下颌第一和第二磨牙根尖区域周围的颊侧皮质骨上。弹性线用作正畸力的来源以降低磨牙过高的高度。下颌磨牙被压低约3至5毫米，开牙合明显改善，而下切牙几乎没有或仅有很少的伸长。正畸治疗期间未观察到严重的副作用。该系统在正畸开牙合矫治过程中对于控制咬合平面的倾斜和水平也非常有效。
