Objective: the purpose of this study was to compare the clinical effect of GMD appliance and Pendulum appliance.
目的：通过对GMD矫治器与钟摆矫治器的对比研究探讨该矫治器应用的可行性、优越性及其适应症。
The appliance result in inverted pendulum shows that it is effective.
在倒立摆试验中的应用结果表明了该方法的有效性。
The appliance result in inverted pendulum shows that it is effective.
在倒立摆试验中的应用结果表明了该方法的有效性。
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