Hloov hniav nyob hauv menyuam yaus yog qhov ua kom zoo thiab zoo siab rau niam txiv. Lub hauv paus ntsiab lus uas tus menyuam cov hniav mis hloov pauv nrog cov tas mus li yog qhov yooj yim heev.
Me nyuam cov hniav yeej hloov pauv tas li. Cov hniav hu ua mis nyuj hniav vim tias lawv loj hlob ua tsaug rau cov calcium hauv mis. Kom txog thaum tus me nyuam txog hnub nyoog muaj peb xyoos, mis hniav loj tuaj. Tab sis tom qab ntawd lawv raug yuam kom muab txoj hauv kev rau cov hniav tas li. Ua ntej hnub nyoog muaj 6 xyoo, tus me nyuam pib koom tes nrog mis nyuj.
Tus lej ntawm cov hniav lwj yog tsawg dua li ntawm cov uas nyob tas mus li. Thaum muaj peb xyoos, feem ntau menyuam mos tag nrho muaj 20 qhov hniav tawm. Tsis txhob txhawj xeeb tias lawv loj hlob asymmetrically thiab tsis ncaj. Qhov no yog vim qhov tseeb tias lawv cov ntau ntau me dua li cov tsis tu ncua, tab sis thaum cov mis nyuj cov hniav pib pauv, ces txhua yam poob rau hauv qhov chaw.
Vim li cas hniav hloov?
Mis nyuj cov hniav muaj keeb kwm luv ua rau tsis muaj zog thiab lwj los ntawm cov hnub nyoog rau xyoo. Cov hniav uas nyob tas mus li pab lawv tawm ntawm cov pos hniav. Lawv txoj kev loj hlob tawm hauv cov hniav mis, uas ua rau xoob thiab poob tawm.
Cov txheej txheem ntawm cov hniav ploj tuaj yeem ua tiav sai thiab tsis muaj xwm txheej, lossis nws tuaj yeem siv sijhawm ib lim tiam. Tom qab ntawd tus menyuam tsis xis nyob thiab nyuaj rau zom zaub mov. Yog tias qhov no ua rau muaj kev kub ntxhov ntau, ces nws yog qhov zoo dua mus rau tus kws kho hniav, uas yuav ntuav nws sai thiab meej.
Ib tug leej niam uas tu yuav tsum paub lub sijhawm mis hniav hloov pauv dab tsi thiaj li npaj tau nws tus kheej thiab nws tus menyuam rau qhov txheej txheem no. Qhov kev cai yog 4-8 xyoos, nyob ntawm seb yuav ua li cas lig lossis thaum ntxov thawj cov hniav tshwm sim.
Cov txheej txheem pauv hloov cov hniav
Cov menyuam yaus cov hniav suav nrog kev cuam tshuam rau lub pob txha sab, lub hauv hniav puas thiab lub thaj, thawj cov kaus poom thiab cov hniav puas thawj. Lawv tsis hloov vim yog qhov tseeb tias lawv yog tus hniav nyiaj hniav kub thib ob, uas tau pib tawg txij thaum muaj hnub nyoog 4 xyoos.
Yog tias koj them sai sai rau qhov uas cov hniav thawj zaug tshwm sim, tom qab ntawd koj tuaj yeem pom qhov zoo sib xws thaum lawv hloov. Feem ntau, cov incisors yog thawj qhov kev hloov pauv, tom qab ntawd tus hniav puas, thiab kawg tab sis tsis kawg canines. Kev ua tiav kev hloov pauv thiab kev loj hlob ntawm cov hniav yog ua tiav tsuas yog hnub nyoog ntawm kaum plaub xyoo. Cov hniav txhab muaj peev xwm tsuas tuaj yeem tawm thaum muaj hnub nyoog 25 xyoos.
Yuav ua li cas thaum hloov hniav
Nyob rau lub sijhawm cov mis nyuj hloov pauv hniav puas, koj yuav tsum tau ua tib zoo saib xyuas thiab xyuam xim rau tus menyuam. Lub sijhawm no yog qhov tseem ceeb rau ob qho tib si menyuam yaus thiab niam txiv. Cov hniav tshiab muaj cov npoo ntse. Cov hniav uas nyob tas mus li yuav muaj qhov ntxoov ntxoo tsaus nti - qhov no yog qhov qub.
Tus me nyuam txoj kev noj haus yuav tsum muaj calcium thiab phosphorus kom txaus, thiab cov vitamins A, E, D yuav pab lawv cov kev yoog.
Thaum tus neeg mob ntxiv ntawm qhov mob qog noj ntshav, kev mus ntsib kws kho hniav raws sij hawm yog tsim nyog thaum cov hniav hloov thiab loj tuaj.
