反锁<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />是指（）<br>A:上后牙的近中颊尖位于下后牙的中央窝，<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />面有咬合接触<br>B:下后牙的远中颊尖位于上后牙的中央窝，<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />面有咬合接触<br>C:上后牙的舌斜面位于下后牙颊斜面的颊侧，<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />面无咬合接触<br>D:上后牙颊尖的颊斜面位于下后牙舌尖舌斜面的舌侧，<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />面无咬合接触<br>E:上后牙的舌斜面位于下后牙颊斜面的舌侧，<img src="/Image1/aa/aaa60c383e689114a834eed43eee3643.gif" />面有咬合接触