thawj cov hniav tuaj mus rau hauv yog 6 xyoo molars (thawj molars), qee zaum hu ua "ntxiv" cov hniav vim lawv tsis hloov cov hniav me nyuam. Tus me nyuam cov hniav uas ua raws li qhov chaw nyob tom qab ntawd feem ntau ntog tawm hauv cov kab ke uas lawv tau tawg, raws li lawv tau hloov nrog lawv cov neeg ua haujlwm tas mus li.
Puas yog 6 xyoo molars ruaj khov?
thawj cov molars tas mus li feem ntau tshwm sim nruab nrab hnub nyoog 6 txog 7 xyoo. Vim li ntawd, lawv feem ntau hu ua "molars rau xyoo." Lawv yog cov "ntxiv" cov hniav mus tas li uas lawv tsis hloov cov hniav uas twb muaj lawm.
Cov me nyuam puas cov molars?
Feem ntau cov menyuam yaus poob lawv cov hniav hauv qhov kev txiav txim no: Cov hniav me me feem ntau raug tshem tawm thawj zaug thaum muaj hnub nyoog 6 xyoo thaum cov hniav, cov hniav nruab nrab hauv pem hauv ntej, xoob. Molars, nyob rau tom qab, yog feem ntau los ntawm hnub nyoog 10 txog 12, thiab hloov cov hniav mus tas li thaum muaj hnub nyoog 13.
Thaum twg cov menyuam poob lawv cov molars 6 xyoo?
Thaum Koj Tus Menyuam Pib Poob Cov Hniav Txawj Ntse
Feem ntau cov menyuam yaus yuav plam lawv hauv qab incisor 4 hniav thiab sab saum toj incisor 4 hniav thaum muaj hnub nyoog 6 txog 8 xyoo. Cov canines thiab molars yuav poob tawm thaum koj tus menyuam yog nyob ib ncig ntawm hnub nyoog 12 thiab 10.
Koj cov molars rov qab puas tawm?
Cov canines feem ntau poob thaum muaj hnub nyoog 9 txog 12 xyoos, thaum lub hauv paus thib ob molars yog tus menyuam cov hniav kawg uas koj tus menyuam yuav poob. Cov hniav zaum kawg no feem ntau yog los nruab nrab ntawm cov hnub nyoog 10 txog 12.
