患者A区第一前磨牙Ⅲ度松动,牙周袋溢脓,牙周袋深7mm,治疗方案为()。
A.拔除
B.龈上洁治术+龈下洁治
C.切龈术
D.翻瓣术
E.抗生素治疗
参考答案:A
能产生抗体的淋巴细胞分化的机制是基因重排。
you eat the correct foods be able to keep fit and stay healthy. [ ]
A. Only if...will you
B. Only if...you will
C. Unless...will you
D. Unless...you will