Caries (nyob rau hauv txhais lus los ntawm Latin - lwj) - yog txheej txheem ntawm kev rhuav tshem ntawm tus hniav, ob qho nws sab nrauv - tus kabmob, thiab tob - tus hniav.
Vim li cas cov menyuam thiaj li muaj hniav lwj?
Tus npua li cas zoo li, txhua leej txhua tus paub, tab sis vim li cas nws qhov tsos ntawm cov me nyuam tsis paub txhua tus. Lub hauv paus loj ntawm cov hniav lwj yog microbes. Lawv muaj nyob hauv lub qhov ncauj kab noj hniav thiab thaum lawv tau muaj cov suab thaj, lawv pib yaj zuj zus, tsim kom muaj ib qho chaw qaub zog. Nws, nyeg, txav cov pob zeb ntawm cov hniav ntawm tus hniav txha hniav, thiab tom qab cov protein ntau ntawm cov hniav. Txhawb nqa kev sib kis ntawm cov khoom noj, cov khoom noj tsis zoo, tsis ua raws li kev nyiam huv thiab kev txo qis hauv lub cev tsis haum.
Hmoov tsis, hnub no cov kabmob no tshwm sim ntau dua rau cov menyuam yaus, thiab nws muaj nws lub peev xwm ntawm lub sijhawm tam sim no. Raws li txoj cai, tag nrho cov hniav yog tam sim ntawd cuam tshuam, thiab qhov no tshwm sim sai dua rau cov laus. Feem ntau, ib qho hniav tsuas yog nyob ib ncig ntawm ob peb qho me me xwb.
Kev kho mob ntawm cov me nyuam kuj muaj nws tus yam ntxwv. Ua ntej, nws tsis tuaj yeem siv txhua txoj kev kho mob, vim hais tias cov me nyuam ntshai kev xyaum, tsis tuaj yeem nyob hauv ib qho chaw ntev ntev, thiab txawm nrog lub qhov ncauj qhib. Qhov thib ob, thaum muaj hnub nyoog ntxov, nws yog ib qho zoo tawm tswv yim kom tsis txhob siv tshuaj loog, tsis yog tias tsis muaj ib qho tseem ceeb hauv nws, yog li txawm tias tus me nyuam muaj peev xwm txhawj txog tus txheej txheem ntawm nws tus cwj pwm thiab kev rau txim.
Yuav ua li cas yog hais tias tus me nyuam muaj hniav qis?
Niaj hnub no, muaj ntau txoj kev los kho kev mob tsis muaj mob. Yog li, yog tias koj pom thawj zaug ntawm cov kab mob hauv me nyuam, mus ntsib kws kho hniav.
Qee cov niam txiv ntseeg hais tias muaj ib qho mob hniav raug tshem tawm, vim hais tias ib tus tshiab yuav loj tuaj. Qhov no lub tswv yim yog erroneous. Qhov tom hauv cov menyuam yaus yog nyob rau theem ntawm kev tsim thiab yog tias tus hniav raug tshem tawm, cov neeg nyob sib ze yuav pib loj hlob ntawm ob sab. Qhov no tsis yog hais tias thaum tshem cov mis nyuj, koj tuaj yeem ua puas lub hauv paus ntawm lub hauv paus. Yog li ntawd cov me nyuam cov hniav ntawm cov menyuam yaus yuav tsum raug kho. Qhov nrov tshaj plaws ntawm kev sib ntaus sib tua hniav hauv cov me nyuam yog silvering ntawm cov hniav, qhov tsuas yog qhov tsis zoo ntawm qhov uas yog ib qho uas tsis yog-aesthetic tsos vim
Qhov tseem ceeb tshaj plaws ua tsov rog tiv thaiv cov kab mob hauv cov menyuam yaus yog kev tiv thaiv. Saib xyuas tus me nyuam cov zaub mov, tsis txhob cia cov khoom noj tau tas li tas li, noj zaub mov tawv. Caw koj tus me nyuam mus rau txoj kev tu txhua hnub - txhuam koj cov hniav. Ua nws thaum sawv ntxov thiab yav tsaus ntuj. Piav kom tus me nyuam muaj pes tsawg tus kab mob sib txawv hauv nws lub qhov ncauj thaum hmo ntuj thiab tias lawv muaj peev xwm ua puas nws cov hniav. Ua kom lom zem ntxiv rau nws txhuam nws cov hniav nrog nws, qhia seb yuav ua li cas.