题目内容
（多选题）遗传性牙本质发育不全的临床表现和特点有
2021-11-17
A.乳光牙本质
B.伴有全身骨骼发育不全
C.牙本质极薄，髄室和根管增大
D.牙萌出后不久，髄室和根管完全闭锁
E.X线片可见牙根较长
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