I am making water means（）.

A.my vessel is leaking

B.my vessel is producing fresh water

C.my vessel is producing sea water

D.sea water is de-salted on board my vessel

死髓牙根尖部牙龈出现瘘管应考虑为

A．慢性牙髓炎

B．慢性根尖肉芽肿

C．慢性根尖脓肿

D．根尖囊肿

E．慢性根尖炎急性发作