以下说法哪一种对() ["塑料牙质轻,咀嚼效能最高","瓷牙耐磨,但咀嚼效能低","瓷牙和塑料基托结合好,但易崩裂","塑料牙调方便","塑料牙能保持垂直距离"]
呈黄色或淡黄色的尿液结晶是() ["尿酸铵结晶","尿酸结晶","胆红素结晶","胱氨酸结晶","磷酸铵镁结晶"]
末端脱氧核苷酸转移酶有哪些作用?
肾移植后出现排斥反应,尿中会出现大量() ["单核细胞","嗜酸性粒细胞","淋巴细胞","中性粒细胞","移行上皮细胞"]
全口义齿的支持形式为() ["牙支持式","粘膜支持式","混合支持式","卡环支持式","支托支持式"]
什么是错油门等过封度?