个别牙或数个牙出现宽而浅的骨上袋,袋内牙石较多,应考虑()。
A.咬合创伤
B.单纯性牙周炎
C.青少年牙周炎
D.慢性龈炎
E.牙龈增生肥大
参考答案:B
连词成句。
1. at seven I half breakfast have past (.)
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2. have I twelve at lunch o'clock (.)
3. dinner past at half have I six (.)
4. the listen clock to (.)
移交重车中转距离