There an English party in three days. [ ]
A. is
B. is going to have
C. will be
D. be
答案:C
稀释剂一般由真溶剂、助溶剂和冲淡剂混合组成。
女性,52岁。右侧后牙冷水刷牙时酸痛明显2周。无自发痛。口腔检查:右上后牙未见明显龋病,叩诊(-),牙周检查(-)。颊侧颈部有缺损,呈楔状,探诊酸痛。拟诊断()
A.牙隐裂
B.楔状缺损
C.中龋
D.磨损
E.牙周萎缩