Rost D, Schwarze C W, Hilgers R D
Poliklinik für Kieferorthopädie, Universität zu Köln.
Fortschr Kieferorthop. 1995 Mar;56(2):104-9. doi: 10.1007/BF02310430.
The purpose of this study was to examine the forces exerted on protruded upper incisors by tooth positioners. Methodologically an in vitro force measurement model was used. The tooth positioners were made of 7 readily available materials commonly used in orthodontics. The study found that the values of the forces, which ranged from 0.4 N to 14.0 N per tooth, are dependent on the material used and the degree of tooth protrusion. In addition, the study analyzed the changes in force over a 3-month period during which time the positioners were stored at 37 degrees +/- 1 degree C in an aqueous environment. This environment corresponds closely to that found in the mouth.
本研究的目的是检测牙齿定位器对前突上切牙施加的力。在方法上，采用了体外力测量模型。牙齿定位器由正畸常用的7种易得材料制成。研究发现，每颗牙齿的力值范围为0.4牛至14.0牛，这取决于所使用的材料和牙齿前突的程度。此外，该研究分析了在3个月期间力的变化情况，在此期间，定位器在37摄氏度正负1摄氏度的水环境中储存。这种环境与口腔中的环境非常相似。
