A . 20s
B . 40s
C . 60s
D . 80s
E . 100s
[单选题]乳牙窝沟封闭临床操作的酸蚀时间是A.20sB.40sC.60sD.80sE.100s
[单选题]乳牙窝沟封闭临床操作的酸蚀时间是()A.20sB.40sC.60sD.80sE.100s
[单选题]乳牙窝沟封闭临床操作的酸蚀时间是()A.20sB.40sC.60sD.80sE.100s
[单选题]乳牙窝沟封闭酸蚀时间为A.10~20秒B.20~30秒C.30~40秒D.40~60秒E.60秒
[单选题,B1型题] 乳牙窝沟封闭酸蚀时间为()A . 10~20秒B . 20~30秒C . 30~40秒D . 40~60秒E . 60秒
[填空题] 乳牙窝沟封闭临床操作的酸蚀时间是()秒,而恒牙为()秒。
[单选题]窝沟封闭时,乳牙的酸蚀时间为A.10~15秒B.20~30秒C.20~40秒D.60秒E.1~2分钟
[单选题]窝沟封闭中乳牙的酸蚀时间为()A . 20sB . 40sC . 10sD . 60sE . 2min
[单选题]窝沟封闭中乳牙的酸蚀时间为A.20sB.40sC.10sD.60sE.2min
[单选题]进行窝沟封闭时乳牙的酸蚀时间是()A . 10sB . 30sC . 60sD . 2分钟E . 5分钟