A.-1
B.-2
C.1
D.3
[单选题]A.-1B.-2C.1D.3
[单选题]A.通过根管从龋洞排出B.向鼻腔内排出C.穿通牙槽骨至粘膜下D.穿通牙槽骨至皮下E.由龈沟或牙周袋排出
[单选题]A.-1.2kN/㎡B.9.8kN/㎡C.1.2kN/㎡D.-9.8kN/㎡
[单选题]A.NA>NBB.NA<NBC.NA=NB=0D.NA=NB≠0
[单选题]A.-1.2kN/㎡B.9.8kN/㎡C.1.2kN/㎡D.-9.8kN/㎡
[单选题]A.NA>NBB.NA<NBC.NA=NB=0D.NA=NB≠0
[单选题]A.90.0B.93.1C.100.0D.112.5
[单选题]A.1处B.2处C.3处D.≥4处