目前临床上最常采用的牙种植体为
A.骨内种植体
B.骨膜下种植体
C.粘膜下种植体
D.牙内骨内种植体
E.以上都不是
参考答案:A
解析:目前技术及材料配套情况下效果相对较好的一种。
新生儿期保健的重点时间是()
A.生后1小时内
B.生后1天内
C.生后3天内
D.生后1周内
E.生后2周内
Martha hag made up her mind to buy her favorite furniture, disregard how much money she would pay.
A.no matter how much it costs
B.no matter how much does it cost
C.no matter how it costs
D.no matter how does it cost