Kev ua si rau menyuam yaus txhawj xeeb niam txiv tsis pub tsawg dua thaum yug tus menyuam. Ua ntej, cov tsos ntawm cov hniav yog nrog los ntawm kev hnov mob, yog li cov menyuam mos yuav dhau los ua lub siab me thiab feem ntau quaj. Qhov thib ob, nws yog ib qho ntawm thawj qhov ua rau khav theeb thaum txhim kho menyuam mos.
Cov Lus Qhia
Kauj ruam 1
Twb tau nyob rau thaum leej niam cev xeeb tub, tus me nyuam tsim cov ntsaws ruaj ruaj ntawm cov nqaij hauv qhov chaw ntawm yav tom ntej cov hniav, tom qab ntawd lawv tig mus rau hauv hniav. Thawj tus hniav hauv tus menyuam mos thaum thawj xyoo pib ntawm lub neej, kev loj hlob ntawm cov hniav mis kav mus txog peb lub xyoos. Lub sijhawm ua tau tawg yuav txawv, nws nyob ntawm qhov muaj keeb, chaw nyob ib puag ncig, khoom noj khoom haus, dej haus thiab lwm yam mob.
Kauj ruam 2
Cov menyuam mos feem ntau tau txais lawv thawj tus hniav thaum hnub nyoog muaj rau hlis, tab sis qee tus menyuam me lub sijhawm no yuav tshwm sim ntxov dua, tom qab peb lub hlis lossis tom qab ntawd, piv txwv, los ntawm ib xyoos. Tsis muaj cov kev cai nruj me ntsis tswj hwm thaum cov menyuam yuav tsum muaj lawv thawj tus hniav, txij li txhua yam muaj sia tshwm sim sib xws. Koj tsuas yog txhawj txog qhov tsis muaj me nyuam thawj tus hniav tom qab nws muaj ib xyoos - hauv qhov no, sab laj nrog kws kho mob. Nco ntsoov tias qhov no tsis cuam tshuam dabtsi rau tus menyuam txoj kev loj hlob hauv sab kev xav. Lub tswv yim tias kev ncua ntawm qhov tshwm sim ntawm cov hniav yog qhov tsim nyog nrog rickets yog lus dab neeg, tab sis kev ua txhaum ntawm cov lus yuav qhia qee yam kab mob.
Kauj ruam 3
Raws li txoj cai, hauv menyuam yaus, cov hniav raug txiav hauv khub. Thawj qhov tshwm sim yog lub hauv nruab nrab sab qis dua - cov hniav ntawm lub puab tsaig qis, uas yog tsim los tom cov zaub mov thiab nyob hauv nruab nrab. Lub sijhawm kwv yees rau qhov pom ntawm cov hniav no yog rau mus rau cuaj hlis. Cov hniav feem ntau tshwm sim tom qab hauv tub hluas dua hauv ntxhais.
Kauj ruam 4
Tom qab ntawd, central incisors ntawm lub puab tsaig sab sauv pib tsim, tom qab ntawd los txuas sab nraub qaum incisors thiab sab dua incisors. Txog lub sijhawm no, tus neeg me me ib txwm muaj ib xyoos, tab sis yog tias tus menyuam muaj ib xyoos muaj tsawg dua li yim lub hniav, qhov no tsis txhais tau qhov tsis zoo.
Kauj ruam 5
Rau lub hlis tom ntej, cov hniav puas tau tawg rau ntawm ob sab puab tsaig, thiab tsuas yog tom qab ib thiab ib nrab xyoo canine hniav tshwm. Hauv tag nrho, tus menyuam hlob nees nkaum hniav mis, uas los ntawm hnub nyoog ntawm xya xyoo pib hloov los ntawm kev ruaj khov.
