Siv cov tshuaj hu ua kanemizu, ua los ntawm ferric acetate los ntawm hlau filings tov nrog vinegar thiab tannin los ntawm zaub los yog tshuaj yej, kev cai yog thawj zaug siv los ua kev zoo siab rau ib tug neeg los ntawm hnub nyoog.. Cov ntxhais thiab cov tub hluas, feem ntau muaj hnub nyoog 15 xyoos, pleev xim lawv cov hniav dub thawj zaug qhia tias lawv tau los ua neeg laus.
Vim li cas cov hniav dub?
Kev tu lub qhov ncauj tsis zoo
Yog tias koj qhov kev tu cev ntawm qhov ncauj tsis zoo txaus kom tshem tawm cov kab mob acid-excreting txhua hnub, cov kua qaub yuav maj mam noj ntawm koj cov hniav. Raws li cov hniav tau noj lawm, cov hniav lwj tuaj.
Vim li cas cov neeg Nyij Pooj tsis tau khi?
"Japanese puab tsaig yog naturally me dua Western lub puab tsaig, tab sis noj cov zaub mov softer thaum menyuam yaus, xws li noj su hauv tsev kawm ntawv, kuj tau ua rau lub puab tsaig tsis zoo, "nws hais. Tsis tas li ntawd, txij li thaum me nyuam noj zaub mov tau zoo dua, "cov hniav kuj loj dua. Thaum cov canines tuaj rau hauv, tsis muaj chaw txaus rau lawv tawm. "
Dab stain ntawm cov hniav yog dab tsi?
Cov kab dub ntawm cov hniav no tsuas yog ib daim ntawv tartar, tseem hu ua kho hniav calculus. Tartar tsim thaum lub qhov ncauj cov quav hniav absorbs cov zaub mov los ntawm cov qaub ncaug thiab qhov tseem ceeb ua fossilized. Qhov kev tsim kho no yuav tsis raug tshem tawm los ntawm kev txhuam hniav lossis lwm yam kev tu cev hauv tsev.
Dab tsi ua rau menyuam cov hniav tig dub?
Ntau yam yuav ua rau koj tus menyuam cov hniav tsaus, lossis tig dub tag. Qee qhov laj thawj feem ntau suav nrog kab mob kab mob, tsis muaj lossis tsis huv ntawm qhov ncauj, thiab txawm raug mob.
