Muchitsch A P, Droschl H, Bantleon H P, Blumauer D, Stern G
Department für Kieferorthopädie, Universitätsklinik für Zahn-, Mund- und Kieferheilkunde Graz, Osterreich.
Fortschr Kieferorthop. 1990 Aug;51(4):195-203. doi: 10.1007/BF02167349.
As during orthodontic treatment and in particular during the phase of the precise adjustment of occlusion by applying the "straight-wire technique" problems arise as far as the vertical dimensions are concerned, the usual distances between the bracket slots and the edges of the incisors respectively the top of the cusps have been verified. Measurements were done on models at the end of treatment of ten patients treated with fixed attachments who may represent ideal occlusion as far as profile radiographs and gnathology were concerned. After regulation of the plane of occlusion the vertical distances between the slot base plane (parallel to the plane of occlusion) and the edge of the incisors respectively tops of cusps were measured by means of a modified parallelometer in connection with a special slot and tube support as well as a specially developed dial test indicator, while a maximum fit between bracket base and buccal crown surface was given. In case of the upper front brackets (torque + 22 degrees) large vertical measurement to the edge of the incisors were recorded, 8.25 respectively 8.33 mm). This may be attributable to excessive torque of the applied brackets. Only approximate figures for the vertical positioning for other teeth could be given, as anatomical variations have to be considered.
在正畸治疗期间，尤其是在应用“直丝弓技术”精确调整咬合的阶段，就垂直维度而言会出现一些问题，已经对托槽槽沟与切牙边缘或牙尖顶部之间的常规距离进行了验证。对十名接受固定矫治器治疗的患者治疗结束时的模型进行了测量，就侧面X线片和口腔颌学而言，这些患者可能代表理想的咬合。在调整咬合平面后，使用改进的平行仪，结合特殊的槽沟和托槽支撑以及专门开发的百分表式检验仪，在托槽底座与颊面冠表面最大贴合的情况下，测量槽沟底面平面（平行于咬合平面）与切牙边缘或牙尖顶部之间的垂直距离。对于上前牙托槽（转矩+22度），记录到切牙边缘的垂直测量值较大（分别为8.25和8.33毫米）。这可能归因于所应用托槽的转矩过大。由于必须考虑解剖变异，只能给出其他牙齿垂直定位的近似数值。
