A、上前牙磨短、磨薄，尽可能排在靠近牙槽嵴顶
B、下前牙贴在牙槽嵴唇侧，切缘超出<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/3bbd67d0-4306-4fa4-b588-81231989dec5.jpg" width="13" height="16" />平面1mm
C、可换小号下前牙或减径排列
D、前牙排成水平开<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/3bbd67d0-4306-4fa4-b588-81231989dec5.jpg" width="13" height="16" />关系
E、上前牙排在牙槽嵴顶舌侧、下前牙排在牙槽嵴顶唇侧