10 下列何種情況必須做根管治療?
(A) Type Ⅲ dens invaginatus,且電髓活性測試 EPT(+)
(B)根尖牙周骨硬化(Periapical osteosclerosis)
(C)內吸收(Internal resorption)
(D)裂齒症候群(Cracked tooth syndrome)

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統計: A(0), B(0), C(14), D(0), E(0) #2098809