柯林斯詞典dentition /d?n?t???n/ 1. N the arrangement, type, and number of the teeth in a particular species. Man has a primary dentition of deciduous teeth and a secondary dentition of permanent teeth 齒列 返回 dentition劍橋詞典the number , type , and arrangement of teeth in a person or animal （人或動物）齒系；牙列（牙齒的數(shù)量、種類和排列） mixed /permanent /mammalian dentition 混合牙列／恒牙列／哺乳動物牙列 返回 dentition