19.兒童患有吸手指習慣時,不會造成那些異常咬合的特徵?
(A)前牙開咬(anterior open bite)
(B)上顎牙弓窄縮(narrow upper arch)
(C)下顎門齒往舌側傾斜(lingually inclined lower incisors)
(D)上顎臼齒往頰側傾斜(bucally inclined upper molars)

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統計: A(1), B(12), C(11), D(189), E(0) #1035510