Thov tu siab kawg, peb cov kwv tij yeej tsis muaj hniav dawb. Yog hais tias ua ntej qhov tseeb no tsis yog tshwj xeeb yog them nyiaj mloog, tam sim no ntau xim yog them rau whiteness ntawm cov hniav. Yuav luag txhua leej txhua tus xav kom muaj lub luag nyav Hollywood. Yog li ntawd, cov hniav ntxuav hniav dawb yog hnyav hnyav los ntawm xov xwm.
Kev kho hniav niaj hnub tau ua tiav zoo hauv cheeb tsam no. Yog tias yav dhau los txiv qaub kua txiv, dej qab zib los yog lwm yam txhais tau tias yog siv rau whitening, tam sim no txhua yam tau hloov pauv loj heev. Hauv khw muag khoom, koj tuaj yeem pom txhua yam tshuaj txhuam hniav, gels, thiab txawm tias tag nrho cov tshuab uas pab tshem cov quav hniav thiab ci ntsa iab. Ntxiv mus, txhua tus tuaj yeem siv tau hauv tsev.
Kev ntxuav hniav dawb kuj tuaj yeem ua tiav hauv cov chaw kho hniav siv cov cuab yeej tshwj xeeb, tab sis nws tsim nyog nco ntsoov tias cov txheej txheem no tsis pheej yig heev. Ntxiv mus, tsis yog txhua tus neeg tuaj yeem ua tau.
Yog ib tug neeg saib xyuas qhov huv ntawm qhov ncauj, thiab cov enamel tseem muaj xim daj lossis grey, ceskoj tuaj yeem nrhiav kev pab los ntawm tus kws kho hniav uas muaj kev paub dhau los uas yuav muab cov lus qhia tshwj xeeb. Ua ntej ua cov kws kho hniav ntxuav hniav dawb, tus neeg mob yuav tsum tau ua tiav kev ntxuav ntawm qhov ncauj.
Rau cov txheej txheem ua tiav hauv tsev kho mob, ob qho tib si tshuaj lom neeg thiab cov teeb tshwj xeeb lossis laser tuaj yeem siv. Hauv thawj kis, qee yam tshuaj siv tau siv rau cov hniav. Nyob rau tib lub sijhawm, oxygen atoms raug tso tawm thiab ua rau cov enamel, uas nws ci ntsa iab. Tam sim no cov tshuaj tsis tshua siv, vim tias cov khoom siv tau zoo dua thiab muaj kev nyab xeeb dua tau dhau los.
Txhawm rau kom ua tiav cov txheej txheem photobleaching lossis laser ntxuav cov enamel los ntawm cov quav hniav, nws yog ib qho tsim nyog yuav tsum tau siv cov gel tshwj xeeb rau cov hniav thiab ua kom sov siv cov lus hais. Ua tsaug rau cov cua sov, cov gel tuaj yeem nkag mus tob rau hauv cov enamel thiab cov hniav tuaj yeem ci li 4 lub suab hauv ib txheej txheem.
Ultrasonic hniav ntxuav hniav dawb tam sim no feem ntau siv, uas yog pheej yig dua li cov txheej txheem dhau los. Yog tias koj tsis xav hloov cov txheej txheem saum toj no, koj tuaj yeem siv txoj kev qub thiab ntxuav koj cov hniav nrog charcoal. Ua li no, tsuas yog crushed ib ntsiav tshuaj ntawm activated charcoal, ncuav nws rau ntawm ib tug txhuam hniav thiab txhuam koj cov hniav.
Cov txheej txheem kev tshaj lij muaj nws tus yam ntxwv. Cov txheej txheem niaj hnub tsis ua mob rau cov hniav enamel, yog li koj tsis tuaj yeem ntshai ntawm cov txheej txheem no. Koj yuav tsum paub tias muaj contraindications rau conduction: rhiab heev raukev npaj los yog tshuaj bleaching, cov kab mob loj thiab kab mob, thiab tsis yog nyob rau hauv lub qhov ncauj kab noj hniav xwb. Nws yog qhov tsis tsim nyog los ua cov txheej txheem rau menyuam yaus, cov poj niam cev xeeb tub.
Tom qab ntxuav hniav dawb, cov hniav nyob twj ywm rhiab heev li ntawm 7-14 hnub, yog li koj yuav tsum tau noj kom zoo thaum lub sijhawm no, tsis txhob noj zaub mov txias lossis kub.
Yuav kom luag ntxhi kom zoo nkauj, thiab cov hniav thiab cov pos hniav kom noj qab nyob zoo, cov txheej txheem yuav tsum tau ua tib zoo ua tib zoo, thiab yuav tsum tau npaj tiag tiag. Cov hniav xav tau kev saib xyuas ntxiv tom qab ntxuav hniav dawb.
