Central incisors 5 to 8 months Lateral incisors 7 to 10 months First molars 12 to 16 months Canines 15 to 20 months Second molars 20 to 36 months _Permanent Teeth. 威廉K.戴维.智者、化学家和伟大医生的秘密.
But this resemblance is confined to general appearance, as in the prominence of the canines, and in the cutting shape of the molar teeth. 查尔斯·达尔文.物种起源.
Against the long canines of the ape was pitted the thin blade of the man's knife. 埃德加·赖斯·巴勒斯.人猿泰山.