单项选择题
A.增强义齿的固位和强度 B.增强义齿的固位和美观 C.增强义齿的美观和强度 D.增强义齿的固位和稳定 E.增强义齿的固位和舒适
A.0° B.10° C.20° D.30° E.40°
A.牙尖顶高出平面约1mm B.与上颌牙形成浅的覆、覆盖关系 C.颈部向远中和唇侧倾斜 D.下尖牙的远中斜坡与上尖牙的远中斜坡相对 E.牙冠的旋转度与堤唇面弧度一致