Cov txheej txheem kawg ntawm tus menyuam cov hniav mus yog cov canines thiab thawj ob molars thib ob molars Anatomical terminology. Lub maxillary thib ob molar yog tus hniav nyob distally (nyob deb ntawm nruab nrab ntawm lub ntsej muag) los ntawm ob qho tib si maxillary thawj molars ntawm lub qhov ncaujtab sis mesial (mus rau nruab nrab ntawm lub ntsej muag) los ntawm ob qho tib si maxillary peb molars. Qhov no muaj tseeb tsuas yog nyob rau hauv cov hniav mus tas li. https://en.wikipedia.org › wiki › Maxillary_second_molar
Maxillary thib ob molar - Wikipedia
. Cov canines feem ntau poob thaum muaj hnub nyoog 9 txog 12 xyoos, thaum thawj ob molars yog cov hniav me nyuam zaum 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.
Cov molars poob tawm thiab loj tuaj?
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. Cov me nyuam cov hniav uas ua raws li qhov chaw nyob ces feem ntau ntog nyob rau hauv cov kab ke uas lawv tawg, raws li lawv hloov nrog lawv cov mus tas li counterparts
Pob 8 xyoo molars poob?
Txhua plaub qhov chaw nruab nrab, lub npe hu ua hauv qab thiab sab saum toj incisors, feem ntau poob tawm hauv 6-8 xyoo ntauCov hniav ntse ib sab ntawm lawv (hu ua canines lossis cuspids) thiab raws li thawj molars tawm me ntsis tom qab, nyob ib ncig ntawm 9-12 xyoo. Cov molars thib ob feem ntau yog qhov kawg mus … feem ntau nyob rau hauv 10-12 xyoo.
Puas ua ntej molars ntog?
Thaum cov no poob tawm, lawv hloov los ntawm cov premolars mus tas li Txog thaum cov premolars loj tuaj, lawv yuav tshwm sim thaum muaj hnub nyoog 10-12, nrog rau thawj premolars tshwm sim los ntawm cov hnub nyoog ntawm 10-11, thiab qhov thib ob premolars tshwm sim los ntawm cov hnub nyoog ntawm 10-12, raws li Cleveland Clinic.
Cov tsos mob ntawm cov molars tuaj li cas?
Symptoms
- Koj tus menyuam yuav nqhis dej ntau dua li niaj zaus.
- Lawv tej zaum yuav chim heev.
- Koj tus menyuam yuav zom lawv cov ntiv tes, khaub ncaws, lossis khoom ua si.
- Lawv tej zaum yuav muaj qhov ntsuas kub qis qis li ntawm 99 degrees F.
- Yog koj tuaj yeem pom - lawv muaj cov pos hniav liab ntawm thaj tsam tawg.
- Ntxhais pw tsaug zog.
