Qee tus tswv tsev ua kev zoo siab rau lawv tus tsiaj cov hnub yug thiab nco qab hnub yug zoo dua lawv tus kheej. Lwm tus tsis paub txog lub sijhawm hnub nyoog ntawm lawv tus tsiaj. Feem ntau qhov no tshwm sim los ntawm qhov tseeb tias tus tsiaj tau txais rau tus tswv ua cov neeg laus. Nws tsis yog qhov nyuaj rau pom lub hnub nyoog ntawm miv, tab sis, alas, nws tsis yooj yim los txiav txim nrog qhov tseeb ntawm ob peb lub hlis.
Nws yog qhov tsim nyog
- Lub tog raj kheej;
- Lub teeb xais.
Cov Lus Qhia
Kauj ruam 1
Qhov yooj yim thiab ntau txoj hauv kev los txiav txim lub hnub nyoog yog qhov pib ntawm kev nkauj nraug. Feem ntau nws pib 7-9 hlis. Tab sis tiav nkauj tiav nraug muaj peev xwm tshwm sim ua ntej - txog 6 lub hlis. Yog li, nws yuav tsis tuaj yeem nrhiav pom lub hnub nyoog nrog qhov tseeb ntawm ib hlis.
Kauj ruam 2
Lub qhov muag ntawm miv yog huv thiab meej. Tab sis lawv pib "ploj" raws lub hnub nyoog. Tom qab 6 xyoo, cov kab zoo tuaj yeem pom ntawm lub lens ntawm tus miv lub qhov muag, uas yog thawj zaug qhia pom kev laus. Tom qab muaj hnub nyoog 10 xyoo, miv pib tsim plaub hau txho. Tab sis qhov no yog tus paib ntawm tus kheej, vim nws yog qhov pom tsis pom ntawm cov miv dawb.
Kauj ruam 3
Los ntawm cov hniav, koj tuaj yeem paub meej dua kom pom lub hnub nyoog ntawm miv. Thaum tus menyuam muaj 1 hlis, tus menyuam cov hniav mis pib tawm. Yog tias lawv tseem tsis tau pom ntawm lub qhov muag, lawv tuaj yeem pom tau yooj yim. Thaum txog 2 hlis, tag nrho cov menyuam yaus cov hniav nyob hauv qhov chaw. Thaum muaj 6 hli lossis mentsis uantej, cov mis nyuj hloov pauv mus ua hniav. Thaum txog ntawm tib lub hnub nyoog, hauv paus canines tshwm sim. Thaum muaj hnub nyoog 1 xyoos, txhua tus miv cov kaus hniav dawb thiab dawb ntawm tartar.
Kauj ruam 4
Tus loj dua tus miv, ntau cov hniav tau hnav tawm. Thaum muaj hnub nyoog ib xyoos thiab ib nrab ntawm cov miv, qhov teeb meem nruab nrab ntawm lub puab tsaig qis yog lwv, thiab daim tawv daj daj tshwm nyob sab nraub qaum. Hauv 2-3 xyoos, nruab nrab incisors ntawm lub puab tsaig sab saud thiab nruab nrab incisors ntawm lub puab tsaig sab hauv yog lwv, thiab los ntawm 4 lawv "txhom" thiab cov nruab nrab sab saud. Tom qab 5 xyoo, xim tuaj yeem tshwm rau ntawm cov pos hniav ntawm tus miv. Los ntawm lub hnub nyoog no, canines kuj tuaj yeem hnav tawm, tab sis tsis yog li tshwm sim. Thaum muaj hnub nyoog 7 xyoo, transverse-oval nto ntawm lub incisors ntawm qis puab tsaig pib hloov, thiab thaum hnub nyoog 8-9, sab saud tseem koom nws.
Kauj ruam 5
Thaum muaj hnub nyoog 10, lub incisors pib poob tawm, tab sis qhov no nyob ntawm tus miv cov khoom noj khoom haus. Yog tias nws pheej noj cov pob txha thiab cov zaub mov tawv, cov incisors yuav "tawm" nws thaum muaj hnub nyoog ntxov. Hauv feem ntau, thaum txog hnub nyoog 15, yuav luag txhua yam ntawm lawv poob.
Kauj ruam 6
Qhov zoo siab, ntau tus tseem tabtom los laij lub hnub nyoog ntawm ib tus miv txheeb ze rau tib neeg. Yog li, 1 xyoos ntawm ib tus miv lub neej yog sib npaug nrog 15 xyoo ntawm tib neeg. Lub xyoo ob sib npaug nrog 24 xyoos. Los ntawm 3 txog 12 xyoos, ntxiv rau 4 xyoos ib xyoos. Thiab tom qab 12 - 3. Piv txwv, yog tias koj tus miv yog 10 xyoo, tom qab ntawd los ntawm tib neeg cov qauv nws nyuam qhuav so. Thiab yog tias nws twb muaj 17 xyoo lawm, ces nov yog tus poj niam laus lawm! Tab sis txhua yam no tsuas yog muaj ua dog ua dig xwb. Tom qab tag nrho, muaj cov neeg sib tw hla lub teb chaws ntawm 80, zoo dua li cov neeg hluas, thiab tseem muaj 50-xyoo-laus zaum ntawm lub rooj ntev zaum thiab ua tsis tau zoo los ua kev sib tham.
