A.齦囊腫 B.牙旁囊腫 C.角化囊腫 D.含牙囊腫 E.萌出囊腫
A.成牙本質(zhì)細(xì)胞 B.未分化的間充質(zhì)細(xì)胞 C.成纖維細(xì)胞 D.淋巴細(xì)胞 E.紅細(xì)胞
A.50% B.60% C.70% D.80% E.90%