19.Dr. Angle所定義的line of occlusion,不包括下列何者?
(A)上顎前齒切緣(incisal edges)
(B)下顎前齒切緣(incisal edges)
(C)上顎臼齒中心溝(central grooves)
(D)下顎臼齒頰側咬頭(buccal cusps)
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統計: A(273), B(27), C(88), D(30), E(0) #1031954
統計: A(273), B(27), C(88), D(30), E(0) #1031954