Mn̂g-khí (Eng-gí: incisor), koh kiò-chòe chhiat-khí, sī ī-hêng-khí (heterodont) chhī-leng tōng-bu̍t ê tē-1-khoán chhùi-khí. Tī chiâⁿ-chē chháu-si̍t-sèng (herbivorous) kap cha̍p-si̍t-sèng (omnivorous) ê chhī-ni-tōng-bu̍t, chhan-chhiūⁿ jîn-lūi kap bé-á, in-ê mn̂g-khí ián-hòa chòe píⁿ-píⁿ-po̍h-po̍h, chhiat-toan lāi-lāi ê gōa-hêng, hó lâi chhiat-tn̄g chia̍h-mi̍h. Tī niau-kho-tōng-bu̍t, in-ê mn̂g-khí khah-bô ēng--tio̍h, lóng-sī ēng kak-khí kap carnassial lâi thiah-kā. Chhiūⁿ ê mn̂g-khí í-keng ián-hòa chòe tn̂g-loh-loh ê chiam-gê, hō-chòe chhiūⁿ-gê. Gia̍t-khí-tōng-bu̍t (rodent), chhan-chhiūⁿ niáu-chhí-á, in-ê mn̂g-khí ti̍t-ti̍t hoat-tn̂g, tio̍h-ài mî-nōa kheh mi̍h-kiāⁿ bôa-té mn̂g-khí lâi î-chhî sek-tòng ê tn̂g-tō·.

Ē-ham chiàⁿ-pêng éng-kiú-khí, ùi koân-téng khoàⁿ--lo̍h-khì

Jîn-lūi ū 8 khí mn̂g-khí; ah , niau-á, bé-á, kap chi̍t-kóa-á lêng-tióng-tōng-bu̍t ū 12 khí; gia̍t-khí-tōng-bu̍t ū 4 khí, tò·-á ū 8 khí.

Gōa-pō͘ liân-kiat siu-kái