(单选题)
对瓦特(Water位)影像标准的判断,哪一项是正确的( )
A岩骨应投影于上颌窦的下缘
B岩骨上缘影于眼眶中
C岩骨上缘投影于上颌窦下缘
D岩骨上缘投影于上颌窦下缘下1cm
E岩骨上缘投于上齿槽
正确答案
答案解析
略
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