Peroxides, xws li hydrogen peroxide thiab carbamide peroxide, muaj cov pa oxygen molecules heev. Thaum cov pa oxygen molecules kov cov stains saum npoo ntawm koj cov hniav, lawv hnov mob los ntawm kev sib cais cov tshuaj tiv thaiv uas tuav cov stains rau koj cov enamel. Qhov no "bleaches" lawv tam sim ntawd thiab rov qab zoo li koj luag ntxhi.
Puas whitening phem rau koj cov hniav?
Dab tsi yog qhov phom sij ntawm cov hniav ntxuav hniav dawb? Txawm hais tias koj siv kev kho mob dab tsi, muaj lub caij nyoog koj cov pos hniav yuav nkag siab rau cov tshuaj siv hauvcov hniav ntxuav hniav dawb, tshwj xeeb tshaj yog tias koj twb muaj cov hniav rhiab. Kuj tseem muaj feem cuam tshuam rau cov pos hniav thiab qee cov khoom siv ntxuav hniav dawb siv hauv tsev tuaj yeem ua mob rau cov hniav enamel.
Puas tsim nyog ua cov hniav ntxuav hniav dawb?
Cov hniav ntxuav hniav dawb muaj kev nyab xeeb, ua tau zoo, thiab ua tiav raws li kev saib xyuas ntawm tus kws kho hniav. Feem ntau, nws tsim nyog tus nqi ntxiv mus ntsib kws kho hniav kom tau txais txiaj ntsig ntev, muaj kev nyab xeeb. Yog, hniav ntxuav hniav dawb muaj kev nyab xeeb heev thaum ua kom raug.
Kuv yuav ua li cas thiaj ua tau kuv cov hniav kom dawb huv?
Ntawm no yog 6 txoj hauv kev rau koj kom koj cov hniav kom dawb huv yam tsis siv cov tshuaj phem:
- Thawj yam ua ntej, txhuam koj cov hniav tsis tu ncua: …
- Oil rub: …
- Txhuam nrog baking soda thiab hydrogen peroxide paste: …
- Rub txiv tsawb, txiv kab ntxwv, lossis txiv qaub peels: …
- noj zaub mov uas muaj txiv hmab txiv ntoo thiab zaub: …
- Mus cuag kws kho hniav:
Cov hniav ntxuav hniav ntev npaum li cas?
Vim tias muaj ntau yam kev xaiv ua kom dawb huv, qhov nruab nrab ntawm cov hniav bleaching tuaj yeem nyob qhov twg los ntawm rau lub hlis mus rau peb xyoos. Feem ntau, txawm li cas los xij, tib neeg yuav tau txais txiaj ntsig uas kav ntev li ib xyoos.
