A.500~600ppm B.600~800ppm C.800~1000ppm D.1000~1200ppm E.1200~1400ppm
A.0.002 B.0.02 C.0.2 D.2 E.>2
A.局限性骨髓炎 B.創(chuàng)傷性根周膜炎 C.創(chuàng)傷性根尖周炎 D.急性根尖周炎 E.慢性根尖周炎