Leej twg ntawm peb tsis npau suav ntawm ib daig-dawb zoo nkauj luag nyav? Yog li hauv advertising: tag nrho cov hniav yog du, dawb, cov pos hniav zoo. Yuav ua li cas qhov no yuav ua tiav? Cov lus teb yog yooj yim - kom zoo rau koj cov hniav. Tab sis, raws li nws feem ntau tshwm sim, txoj kev ua no tsis muaj nqis rau txhua tus neeg sib tw. Hauv qhov no, peb lub tswv yim txog seb koj tuaj yeem ua kom zoo li cas ntawm koj cov hniav los ntawm txoj kev hauv tsev yuav pab koj.
Ua ntej, cia peb rov qab ua lub ntsiab tseem ceeb uas ua rau kom muaj kev sib daj sib deev ntawm tus hniav txha hniav. Ib qho kev tsis zoo ntawm cov xim ntawm tus voos xwm txheej muaj qee yam khoom uas peb siv sau ntawv. Peb txhais tau tias kas fes, tshuaj yej, chocolate. Qhov no tsis tau txhais hais tias koj yuav tsum tau tshem tag nrho cov khoom no, cia li ua raws li cov kev ntsuas tiv thaiv. Tom qab noj cov khoom no, nws raug nquahu kom txhuam koj cov hniav, thiab yog tias qhov no ua tsis tau, ces nws muaj nqis, yam tsawg kawg yaug koj lub qhov ncauj nrog dej.
Tom qab ntawd yog haus luam yeeb. Raws li koj paub, nicotine settles ntawm cov hniav, tom qab ntawd lawv kuj tau txais ib lub tinge daj. Thiab lub xeem yog lub xeev ntawm kev noj qab haus huv ntawm cov hniav. Nws tuaj yeem yog ob qho tib si lawv cov kab mob, thiab lub sijhawm ntawm lub sijhawm. Hmoov tsis, nrog rau lub hnub nyoog peb cov hniav tsis txhob whiten, tab sis es tsis lwm versa. Thiab yog tias cov hniav ntawm cov hniav tuaj yeem los ntawm qhov laj thawj no, ces txhua lub tsev ntxuav hniav dawb rau cov hniav yog tsis zoo. Hauv qhov no nws yog qhov zoo dua los ntsib tus kws kho mob.
Yuav ua li cas whiten koj cov hniav nrog rau kev pab hauv tsev?
Tam sim no tus nyeem ntawv muaj ntau ntau cov khoom uas muab ntau lub tswv yim yuav ua li cas kom sai sai cov hniav ntawm lub tsev. Tab sis feem ntau lawv muaj cov lus qhia tsis tseeb, tab sis kuj yog teeb meem obviously. Yog li, piv txwv li, koj tuaj yeem ntsib cov tswv yim uas cov hniav yuav bleached nrog hydrogen peroxide. Nyob rau hauv ib tes, qhov no yeej pab tau kom qee cov hniav. Thiab ntawm qhov tod tes, tom qab daim ntawv thov ntev li ntawm qhov qhia tseeb ntawm tus hniav txha hniav, muaj tsawg sab laug. Tsis tas li, yog tias koj tau txais cov tshuaj peroxide rau ntawm qhov mucous membrane ntawm lub qhov ncauj qhov ncauj, qhov tsis hnov qab yuav ua tau. Tsis tas li ntawd, lub plab hlaub nqos mus rau hauv txoj hlab pas tsis cais, uas yuav cuam tshuam nws txoj kev mob.
Txawm li cas los xij, muaj cov lus qhia zoo txog kev ceev nrooj ntawm koj cov hniav tom tsev tsis muaj teebmeem rau koj kev noj qab haus huv thiab hniav txham hniav. Ntawm no yog ob peb leeg xwb:
- 1Activated charcoal. Feem ntau, thaum xub thawj txoj kev no siv txoj kev siv hluav ncaig. Tab sis nyob rau hauv niaj hnub tej yam kev mob ntawm lub neej nws tau yooj yim yuav hloov nrog activated carbon. Cov ntsiav tshuaj muaj rau tuav thiab rub nws cov hniav. Tom qab no, muab yaug qhov ncauj kom huv si.
- Ib qho kev hloov rau cov activated carbon yog dej qab zib. Siv nws rau tshuaj dawb tso nrog tshuaj txhuam hniav. Tab sis koj yuav tsum tau ceev faj, sim txhuam koj cov hniav kom cov dej qab zib tsawg li ua tau rau cov pos hniav, txwv tsis pub koj tuaj yeem tsis txhob puas thiab ntshav tau cov pos hniav.
Tsis tas li ntawd, muaj lwm txoj kev zoo los ua kom koj lub qhov muag nrog kev kho tsev. Ua li no, koj siv tau cov txiv qaub tev. Nws yog qhov ua kom zoo sib xws cov pa roj carbon dioxide yog rubbed rau hauv cov hniav. Los yog koj tuaj yeem tshiav cov txiv pos nphuab thiab cov txiv pos nphuab. Tsis yog txhua tus paub li no, tab sis nws yog qhov zoo txaus nyob rau hauv kev sib ntaus tawm tsam yellowing ntawm enamel.
Txhuam nrog tshuaj txhuam hniav
Cia peb tsis nco qab tias qhov kev vam meej tau ntev dhau lawm ib kauj ruam tom ntej, thiab tam sim no nws yooj yim dua thiab zoo dua rau cov tawv nqaij uas muaj cov tshuaj txhuam hniav tshwj xeeb. Lawv nyob rau hauv lawv cov muaj pes tsawg tus muaj ntaub ntawv (tib cov dej qab zib), uas mechanically ntxuav tus hniav txha hniav laus. Tab sis tsis zoo li cov khoom tsim los ntawm cov khoom siv, cov tshuaj txhuam hniav ntxuav cov hniav kom ntau txaus thiab muaj kev phom sij tsawg.
Cov cwj pwm
Tam sim no koj paub tias koj yuav ua li cas koj cov hniav zoo tom tsev, cia peb saib cov kev ceev faj. Muaj ntau ntawm ob peb leeg:
- Txhuam hniav ntawm lub tsev - cov txheej txheem ntev. Tsis txhob tos kom ceev nrooj, thiab nrog rau kev zeeg los txhuam koj cov hniav hauv ntau txoj kev.
- Thaum siv activated carbon, dej qab zib los yog muab tshuaj txhuam, saib xyuas cov pos hniav, sim tsis txhob raug rau txhua yam kev ntxhov siab.
- Tsis txhob ua kom koj cov hniav tsis so ntau. Nco ntsoov tias txhua yam tshuaj xws li ua rau lub qhov muag tsis zoo yuav ua rau tus hniav tsis zoo.
- Qhov teeb meem yog qhov yooj yim dua kom tiv thaiv dua tom qab. Txhob haus luam yeeb, kas fes thiab tshuaj yej, thiab soj ntsuam cov kev tiv thaiv theem pib.