Video: Ntev npaum li cas yuav tsum muaj tus hniav?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv tib neeg, sab saud canine cov hniav (nrov hu ua qhov muag cov hniav , los ntawm lawv txoj haujlwm hauv qab lub qhov muag) loj dua thiab ntev dua qis dua, thiab feem ntau nthuav tawm qhov sib txawv hauv qab. Eruption feem ntau tshwm sim ntawm muaj hnub nyoog ntawm kaum ib thiab kaum ob xyoos. Qee lub sij hawm lawv yog congenitally ploj lawm.
Tsuas yog li ntawd, ntev npaum li cas cov hniav canine?
Daim ntawv teev cov hniav tas mus li
| Upper Hniav | Thaum cov hniav tawm tuaj | |
|---|---|---|
| Upper Hniav | Thaum cov hniav tawm tuaj | |
| Thawj premolar (thawj bicuspid) | Thaum cov hniav tawm tuaj | 10 mus rau 12 xyoo |
| Canine (cuspid) | Thaum cov hniav tawm tuaj | 9 rau 10 xyoo |
| Lateral incisor | Thaum cov hniav tawm tuaj | 7 rau 8y |
Tsis tas li ntawd, cov hniav canine puas mob tshaj plaws? Thaum koj tus menyuam xyoo ob (tshwj xeeb ntawm 15 thiab 19 lub hlis), feem ntau ntawm canine cov hniav yuav tshwm sim Cov no feem ntau yog ntau txoj kev mob tshaj qhov seem ntawm cov hniav.
Yog li ntawd, vim li cas kuv cov hniav canine thiaj ntev?
Lawv hu ua miv vim lawv zoo li tus dev lub fangs. Thaum peb canine cov hniav tsis yog ntev li ntev , hais tawm lossis ntse raws li tus aub, lawv feem ntau ntev dua thiab taw qhia ntau dua peb lwm tus tib neeg cov hniav . Canines qee zaum raug xa mus rau raws li qhov muag cov hniav vim lawv txoj kev ua raws cov qhov muag.
Puas yog nws ua tau kom tshem cov hniav canine?
Lwj miv tuaj yeem kho thiab khaws cia, yog tias muaj txaus ntawm cov qauv sab laug. Txawm li cas los xij, yog tias Canine raug cuam tshuam, tej zaum yuav tsis muaj lwm txoj kev xaiv tseg tab sis rho tawm. Yog tias hniav raug cuam tshuam thiab nws tau tso tseg hauv qhov no, qhov no yuav ua rau muaj teeb meem loj xws li kab mob pos hniav, lwj, kis kab mob thiab kab noj hniav.
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