26.關於上、下顎小臼齒牙冠輪廓的敘述,下列何者錯誤?
(A)從鄰接面觀(proximal view),上顎小臼齒牙冠輪廓呈梯形(trapezoidal shape)
(B)從鄰接面觀(proximal view),下顎小臼齒牙冠輪廓呈梯形(trapezoidal shape)
(C)從頰側面觀(buccal view),上顎小臼齒牙冠輪廓呈五角形(pentagon shape)
(D)從頰側面觀(buccal view),下顎小臼齒牙冠輪廓呈五角形(pentagon shape)
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統計: A(255), B(970), C(122), D(153), E(0) #1033241
統計: A(255), B(970), C(122), D(153), E(0) #1033241