选磨的目的是（）

A . ['['前伸https://assets.asklib.com/psource/2015092416532232721.jpg 有早接触时，磨改下前牙切缘B . 前伸https://assets.asklib.com/psource/2015092416532232721.jpg 及正中https://assets.asklib.com/psource/2015092416532232721.jpg 有早接触时，磨改上前牙斜面C . 正中https://assets.asklib.com/psource/2015092416532232721.jpg 及侧向https://assets.asklib.com/psource/2015092416532232721.jpg 有早接触，磨改过高牙尖D . 用咬合纸检查咬合，凡蓝色较深者应磨改E . 先检查并磨改正中高点，再检查磨改非正中https://assets.asklib.com/psource/2015092416532232721.jpg 高点

A . 前伸https://assets.asklib.com/images/image2/201704230926417016.jpg 有早接触时，磨改下前牙切缘B . 前伸https://assets.asklib.com/images/image2/2017042309264943464.jpg 及正中https://assets.asklib.com/images/image2/2017042309270127313.jpg 有早接触时，磨改上前牙斜面C . 正中https://assets.asklib.com/images/image2/2017042309270872726.jpg 早接触，侧向https://assets.asklib.com/images/image2/2017042309271884445.jpg 有https://assets.asklib.com/images/image2/2017042309270872726.jpg 干扰D . 用咬合纸检查咬合，凡蓝色较深者应磨改E . 先检查并磨改正中https://assets.asklib.com/images/image2/2017042309270872726.jpg 高点，再检查磨改非正中https://assets.asklib.com/images/image2/2017042309270872726.jpg 高点

A . ['['达到正中https://assets.asklib.com/psource/201511281712289973.jpg 稳定的尖窝关系B . 获得广泛均匀的https://assets.asklib.com/psource/201511281712289973.jpg 接触C . 达到平衡https://assets.asklib.com/psource/201511281712289973.jpg 接触D . 讲话时义齿不脱落E . 伸舌时义齿无翘动

A . A．使正中获得广泛均匀的接触 B . B．达到正中稳定的尖窝关系 C . C．达到平衡接触 D . D．讲话时义齿不脱落 E . E．伸舌时义齿无翘动

A . A.消除正中牙合早接触 B . B.消除侧向牙合干扰 C . C.消除前伸牙合干扰 D . D.降低垂直距离 E . E.达到平衡牙合

A . ['['达到正中https://assets.asklib.com/psource/2015112310385972485.jpg 稳定的尖窝关系B . 获得广泛均匀的https://assets.asklib.com/psource/2015112310385972485.jpg 接触C . 达到平衡https://assets.asklib.com/psource/2015112310385972485.jpg 接触D . 讲话时义齿不脱落E . 伸舌时义齿无翘动