"Qhov me me tsis sau qhov loj, tab sis raug kev txom nyem." Nyob rau hauv lub qhov ncauj kab noj hniav, nws yog feem ntau siv los piav txog ib lub sij hawm thaum kab noj hniav (kab noj hniav) nyuam qhuav decayed me ntsis, tsis tau mus ntsib kws kho hniav los sau lawv. Thaum cov kab noj hniav loj dua, cov hniav raug mob vim yog cov kua qaub, qab zib, txias, thiab cua sov, thiab txawm tias cov kab mob nkag mus rau hauv cov hlab ntsha (pulp), cov hauv paus hniav raug mob, thiab cov pos hniav zoo li pustules. Lub sijhawm no, cov hniav yog qhov mob heev thiab tsis tuaj yeem tiv taus, thiab txuas ntxiv txhim kho, ua rau cov hniav puas thiab poob, cuam tshuam rau cov khoom noj kom zoo nkauj thiab kev loj hlob. Yog li ntawd, ib zaug ib tug me nyuam raug kev txom nyem los ntawm cov hniav caries, nws yog ib qho teeb meem loj heev. Cov niam txiv yuav tsum muaj kev paub txog kev tiv thaiv kev noj qab haus huv ntawm qhov ncauj thaum lub sijhawm yug me nyuam, thiaj li ua kom muaj kev loj hlob ntawm tus menyuam.
Thaum muaj hnub nyoog 5 xyoos, Dudu yog ib tug me nyuam tub rog uas tsis nyiam txhuam hniav thiab nyiam khoom qab zib. Cov niam tais yawm txiv txawm muab lawv cov me nyuam mus nyiag noj lollipops. Muaj teeb meem nrog Dudu txoj kev kho hniav. Cov niam txiv coj cov me nyuam mus rau lub tsev kho mob mus kuaj. Tom qab kev tshuaj ntsuam xyuas, nws tau pom tias Dudu muaj ntau cov hniav lwj, nrog rau qhov me me hauv nws lub qhov ncauj.
Ib tug me nyuam muaj 20 tus hniav deciduous, thiab pib muaj lawv thawj cov hniav nyob rau hauv lub hnub nyoog ntawm 6 xyoo, feem ntau hu ua "6th hnub nyoog cov hniav." Cov kws kho mob ntsib ntau tus menyuam yaus uas muaj kab mob hauv lawv cov hniav hnub nyoog thib rau, thiab cov niam txiv feem ntau ntseeg yuam kev tias cov hniav hnub nyoog thib rau kuj yog cov hniav deciduous thiab tsis tu ntau. Dudu lub hnub nyoog tam sim no tsuas yog lub sijhawm los npaj rau qhov pib ntawm lub hnub nyoog thib rau cov hniav, yog li cov niam txiv yuav tsum tau saib xyuas kev noj qab haus huv ntawm lawv cov menyuam cov hniav, coj lawv cov menyuam txhuam hniav kom zoo thiab siv lawv ua ke nrog cov hniav ntxuav hniav dawb. Qhov sib txawv ntawm lawv cov hniav, thiab cov pits thiab grooves uas tsim nyob rau saum npoo ntawm lawv cov hniav tuaj yeem yooj yim tsim ib puag ncig uas cov kab mob tuaj yeem loj hlob thiab ua rau cov hniav caries. Nws raug nquahu kom siv cov tshuaj fluoride tsis tu ncua lossis ua lub qhov dej thiab fissure sealing. Cov menyuam yaus uas tsis siv tshuaj txhuam hniav tau qhia tias cov niam txiv tuaj yeem pab lawv cov menyuam hauv kev ntxuav cov khoom noj ntawm cov hniav ntawm lawv cov hniav. Cov me nyuam cov hniav feem ntau yog qhov chaw uas muaj kab noj hniav tsis zoo, yog li yuav tsum tau them nyiaj tshwj xeeb rau lawv.
Duoduo, ib tug hluas nkauj 2-xyoo-laus uas nyiam luag, muaj ob lub ntsej muag qab zib thaum nws luag ntxhi, tab sis tsuas yog muab nws qhov qub 10 taw tes luag ntxhi rau 5 taw tes thaum nws nthuav tawm nws cov hniav me me dub xim av pem hauv ntej. Yog vim li cas? Duoduo muaj tus cwj pwm haus mis nyuj hmo ntuj kom tsaug zog thaum hmo ntuj, feem ntau tsaug zog thaum haus cov mis nyuj, uas ua rau "lub raj mis lwj" hauv Duoduo cov hniav. Thawj qhov tshwm sim ntawm lub raj mis caries tsis yooj yim rau kev nyiam cov niam txiv. Nws feem ntau tshwm sim nyob rau hauv lub labial nto ntawm lub maxillary thawj incisor thiab tsim ib tug chalky demineralized cheeb tsam tom qab pib qhov tsos ntawm chalky me ntsis. Nrog rau txoj kev loj hlob ntawm caries, qhov demineralized cheeb tsam yuav tsaus thiab dav nyob rau hauv cov xim, ua rau cov tawv nqaij ntawm cov hniav kom tev tawm thiab tsim ib tug residual crown los yog cag. Txo cov kev ua haujlwm ntawm cov hniav deciduous tuaj yeem ua rau cov tawv nqaij thiab apical o nyob rau hauv cov mob hnyav. Yog tias thawj cov hniav mob hnyav heev thiab tsis tuaj yeem kho tau, thiab cov hniav thawj zaug tau muab tshem tawm ntxov, qhov no tuaj yeem ua rau cov kev cai ntawm lub cev tsis zoo ntawm kev hloov cov hniav qub thiab cov hniav mus tas li, ua rau muaj kev hem thawj rau tus menyuam txoj kev noj qab haus huv! Yog li ntawd, ib zaug ib tug me nyuam pom tias muaj mis nyuj lub raj mis caries, nws raug nquahu kom mus nrhiav kev kho mob sai li sai tau thiab tshem tawm tus me nyuam tus cwj pwm phem. Tom qab haus cov dej qab zib xws li mis nyuj los yog kua txiv hmab txiv ntoo, nws yog ib qho tsim nyog yuav tsum tau muab cov dej hau rau tus me nyuam tam sim ntawd kom txo tau ib puag ncig rau cov kab mob hauv lub qhov ncauj.
Ib tug niam muaj khoom muaj nqis tuaj rau hauv tsev kho mob nrog nws tus menyuam hnub nyoog tshaj 6 hli. "Tus kws kho mob, kuv yuav saib xyuas kuv tus menyuam thawj tus hniav thaum nws nyuam qhuav loj hlob li cas?" Dr. Liu tau tshuaj xyuas thiab piav qhia, "Nws pom zoo kom cov niam txiv ua txoj haujlwm zoo hauv kev tiv thaiv kab mob thiab ntxuav lawv lub qhov ncauj." Cov niam txiv tuaj yeem xaiv tus me nyuam lub ntsis ntiv tes los pab lawv cov menyuam ntxuav lawv lub qhov ncauj, lossis lawv tuaj yeem siv cov ntaub qhwv huv huv dipped hauv dej me me los pab lawv ntxuav lawv lub qhov ncauj. Thaum cov menyuam muaj hnub nyoog tshaj 1 xyoos, lawv tuaj yeem xaiv cov menyuam txhuam hniav tshwj xeeb thiab cov tshuaj txhuam hniav fluoride, thiab qhia lawv kom yaug lawv lub qhov ncauj sai sai tom qab noj mov. Cov niam txiv yuav tsum coj lawv tus menyuam mus rau lawv tus "tus kws kho hniav" rau kev kuaj hniav txhua hnub 3-6 hli. Thaum pom muaj kab mob hniav, nws yuav tsum tau kho tam sim ntawd kom tsis txhob muaj kab mob ntxiv. Cov niam txiv yog thawj tus neeg saib xyuas rau menyuam yaus, thiab lawv kuj xav tau ib tus kws kho hniav kho mob. Lawv tsis tsuas yog yuav tsum tau saib xyuas lawv tus menyuam lub qhov ncauj txhua lub sijhawm, tab sis kuj tseem txhawb nqa kev noj qab haus huv ntawm qhov ncauj los ntawm cov hnub nyoog ntxov, thiab tsim kom muaj kev ua raws li tus kws kho hniav. Cov menyuam yaus tseem tuaj yeem tau txais kev cob qhia los ntawm kws kho mob, uas lawv tuaj yeem txhim kho qhov ncauj noj qab haus huv.
Caries yog "tus naj npawb ib tus neeg tua neeg" ntawm tus menyuam txoj kev noj qab haus huv ntawm cov hniav, uas tuaj yeem ua rau muaj teeb meem kho hniav. Yog li ntawd, cov niam txiv tsis tuaj yeem tsis quav ntsej lawv cov menyuam txoj kev kho hniav, thiab kev kho qhov ncauj yuav tsum pib nrog menyuam roj hmab.
