A.10%-20%
B.35%-38%
C.30%-45%
D.40%-50%
E.60-70%
[单选题]窝沟封闭中()的磷酸可获得最佳酸蚀效果A . 10%-20%B . 35%-38%C . 30%-45%D . 40%-50%E . 60%-70%
[单选题,A2型题,A1/A2型题] 窝沟封闭酸蚀所选用磷酸的浓度是()A . 10%~20%B . 20%~30%C . 30%~40%D . 40%~50%E . 50%~60%
[单选题]窝沟封闭酸蚀所选用磷酸的浓度是()A.10%~20%B.20%~30%C.30%~40%D.40%~50%E.50%~60%
[单选题]窝沟封闭酸蚀所选用磷酸的浓度是()A.10%~20%B.20%~30%C.30%~40%D.40%~50%E.50%~60%
[单选题]窝沟封闭酸蚀所选用磷酸的浓度是()A.10%~20%B.20%~30%C.30%~40%D.40%~50%E.50%~60%
[单选题]窝沟封闭中酸蚀步骤用的磷酸浓度最好为A.20%~30%B.30%~40%C.40%~50%D.50%~60%E.60%~70%
[单选题]窝沟封闭中酸蚀步骤用的磷酸浓度最好为( )。A.20%~30%B.30%~40%C.40%~50%D.50%~60%E.60%~70%
[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]窝沟封闭术中酸蚀的目的是( )。A.使牙面呈酸性B.彻底清洁牙面C.强化树脂与釉质的结合D.使树脂固化完全E.去除牙面窝沟菌斑
[单选题]窝沟封闭中乳牙的酸蚀时间为A.20sB.40sC.10sD.60sE.2min