第25题: [单项选择]圆锥形套筒冠义齿固位支持型固位体的内冠内聚角度为 A. 0° B. 2°~3° C. 6° D. 1°~2° E. 4°~5° 参考答案:C 答案解析:为保证固位力,一般固位基牙的内冠圆锥内聚角度为6°,支持基牙为8°。通过常规方法完成金属内冠。达到符合要求的内聚角度,轴壁要平整。
A. Charles had very few friends. B. The meeting aboard the ship was their first. C. Diana went after Charles with determination. D. Charles took an interest in Diana aboard the ship. 参考答案:B