A.患牙失去血液供應(yīng)
B.細(xì)菌分解產(chǎn)物進(jìn)入牙本質(zhì)小管
C.膿性分泌物進(jìn)入牙本質(zhì)小管
D.膽固醇結(jié)晶進(jìn)入牙本質(zhì)小管
E.血紅蛋白的分解產(chǎn)物進(jìn)入牙本質(zhì)小管

A.局麻時(shí)損傷了下牙槽神經(jīng)
B.切開翻瓣時(shí)損傷了舌神經(jīng)
C.劈開時(shí)損傷了舌神經(jīng)
D.劈開時(shí)損傷了下牙槽神經(jīng)
E.挺出時(shí)損傷了舌下神經(jīng)