Canines muaj qhov ntse, taw tes rau cov khoom noj. Thawj tus me nyuam canines tuaj ntawm hnub nyoog ntawm 16 lub hlis thiab 20 lub hlis. Cov canines sab saud loj hlob ua ntej, ua raws li cov canines qis.
Cov hniav twg ntse thiab taw?
Kuj hu ua Cuspids, canines yog cov ntse, cov hniav taw qhia ntawm ob sab ntawm peb cov incisors. Cov hniav no yog siv los rhuav thiab rhuav cov zaub mov sib nrug.
Tus tsiaj twg ntse taw tes Ntawm cov hniav?
Teb: tsov, tsov, hma, thiab hmayog cov neeg noj nqaij (nqaij noj). Lawv muaj cov hniav ntev, taw tes tuav lawv cov tsiaj nyeg thiab cov hniav ntse kom txiav cov nqaij. Cov tsiaj no tsis muaj cov hniav zom zaws vim lawv nqos lawv cov khoom noj.
Leej twg tau hniav ntse?
Tib neeg muaj cov hniav ntse hauv ntej hu ua canines, ib yam li tsov ntxhuav, hippos, thiab lwm yam tsiaj. Contrary to popular kev ntseeg, tib neeg canines tsis yog rau tearing thiab ripping nqaij. Hloov chaw, peb cov poj koob yawm txwv tau siv lawv los tawm tsam cov txiv neej sib tw rau txoj cai mating.
Cov hniav taw tes hu ua dab tsi?
Cov hniav taw qhia ntawm ib sab ntawm koj cov kab mob hu ua canine (hais: KAY-cuaj) cov hniav. Muaj plaub ntawm lawv, ob sab saum toj thiab ob sab hauv qab. Vim cov hniav no taw tes thiab ntse, lawv pab rhuav cov zaub mov. Ib sab ntawm koj cov hniav canine yog koj cov premolars (hais: PREE-mo-lurs), uas tseem hu ua bicuspid cov hniav.
