全口义齿排牙后的试戴前,在可调式架和模型上观察,哪一项说法不正确()
A 边缘伸展是否恰当 B
后牙排列在牙槽峰顶连线 C
两侧对称 D
上、下颌前牙与后牙均有紧密接触 E
有前伸<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12256633_0_1.gif">和侧方<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12256633_0_2.gif">平衡