人造冠龈边缘必须高度磨光的主要理由是()
A.美观
B.加强抗力
C.加强固位
D.有利清洁卫生
E.患者舒服
参考答案:D
解析:修复体边缘若不高度抛光,容易导致菌斑聚集,引起牙周疾患。
属于Ⅲ型超敏反应的疾病是()
A.新生儿溶血症
B.输血反应
C.血清病
D.接触性皮炎
E.青霉素过敏性休克
根据句意和汉语或首字母提示,填写单词。
1. He wrote down his name on the _____(石头).
2. The soft-hearted old man wouldn't hurt an _____(蚂蚁).
3. We have five f on each hand.
4. He is not strong enough to l the heavy box.
5. There's a delicious s coming from the kitchen.