Qhov sib txawv tseem ceeb ntawm stannous fluoride thiab sodium fluoride yog tias cov fluoride stannous tuaj yeem tiv thaiv gingivitis, plaque, hniav rhiab heev thiab tiv thaiv cov kab noj hniav thaum cov sodium fluoride tiv thaiv peb cov hniav nkaus xwb tiv thaiv kab noj hniav.
Stannous fluoride yog lub npe lag luam ntawm cov tshuaj lom neeg, tin (II) fluoride. Nws yog ib yam khoom muaj nyob rau hauv cov tshuaj txhuam hniav thiab cov tshuaj ntxuav qhov ncauj. Nws tuaj yeem tiv thaiv ntau yam kab mob hniav. Yog li ntawd, nws tseem kim heev. Sodium fluoride kuj yog cov khoom muaj nyob hauv cov tshuaj txhuam hniav uas tuaj yeem tiv thaiv peb cov hniav tiv thaiv kab noj hniav, tab sis nws tsis muaj ntau yam kev ua ub no xws li stannous fluoride.
Dab tsi yog Stannous Fluoride?
Stannous fluoride yog lub npe lag luam ntawm tin (II) fluoride uas muaj cov tshuaj formula SnF2. Cov molar loj ntawm cov tshuaj no yog 156.69 g / mol, thiab nws zoo li cov khoom tsis muaj xim. Lub melting point ntawm no compound yog 213 ° C, thiab lub boiling point yog 850 ° C. Cov qauv siv lead ua yog monoclinic. Peb tuaj yeem tsim cov khoom sib xyaw no los ntawm evaporating cov tshuaj SnO hauv HF (40%).
Tsis tas li ntawd, cov tshuaj no yog ib qho tseem ceeb ntawm cov tshuaj txhuam hniav vim tias nws tuaj yeem tiv thaiv gingivitis, plaque, hniav rhiab heev thiab tiv thaiv kab noj hniav. Yog li ntawd, nws feem ntau kim dua lwm cov tshuaj fluorides. Ntxiv mus, nws tuaj yeem ua raws li tus neeg sawv cev txo qis. Nyob ntawd, cov fluoride ions tuaj yeem tau oxidized. Tsis tas li ntawd, cov SnF2 molecules tsim dimers thiab trimers los ntawm kev sib txuas nrog ib leeg.
Sodium Fluoride yog dab tsi?
Sodium fluoride yog ib qho inorganic compound uas muaj cov tshuaj formula NaF. Nws yog cov khoom tsis muaj xim uas yooj yim yaj hauv dej. Lwm lub npe rau cov tshuaj no yog Florocid. Cov molar mass ntawm no compound yog 41.98 g / mol. Lub melting point yog 993 ° C, thiab lub boiling point yog 1,704 ° C. Cov qauv siv lead ua yog cubic.
Daim duab 01: Ob leeg Stannous Fluoride thiab Sodium Fluoride yog cov khoom tseem ceeb hauv cov tshuaj txhuam hniav
Ntxiv mus, peb tuaj yeem tsim cov khoom sib xyaw no los ntawm kev ua kom tsis zoo ntawm HF acid. Qhov HF acid no los ua ib qho khoom los ntawm kev tsim cov chiv siv fluorapatite. Peb tuaj yeem siv dej cawv los ua kom NaF. Nws yog ib qho tseem ceeb ntawm cov khoom siv tshuaj thiab tshuaj txhuam hniav. Nws tuaj yeem tiv thaiv kab noj hniav hauv cov hniav.
Qhov txawv ntawm Stannous Fluoride thiab Sodium Fluoride yog dab tsi?
Stannous fluoride yog lub npe lag luam ntawm tin (II) fluoride uas muaj cov tshuaj formula SnF2. Cov molar mass ntawm no compound yog 156.69 g / mol. Ntxiv mus, nws cov ntsiab lus melting thiab boiling point yog 213 ° C thiab 850 ° C feem. Sodium fluoride yog ib qho inorganic compound uas muaj cov tshuaj formula NaF. Cov molar mass ntawm no compound yog 41.98 g / mol. Tsis tas li ntawd, lub melting point thiab boiling point ntawm no compound yog 993 ° C thiab 1, 704 ° C. Qhov sib txawv tseem ceeb ntawm stannous fluoride thiab sodium fluoride yog tias stannous fluoride tuaj yeem tiv thaiv gingivitis, plaque, hniav rhiab heev thiab tiv thaiv kab noj hniav thaum cov sodium fluoride tiv thaiv peb cov hniav nkaus xwb tiv thaiv kab noj hniav.
Summary – Stannous Fluoride vs Sodium Fluoride
Ob leeg stannous fluoride thiab sodium fluoride yog cov khoom xyaw tseem ceeb hauv cov tshuaj txhuam hniav. Qhov sib txawv ntawm stannous fluoride thiab sodium fluoride yog tias stannous fluoride tuaj yeem tiv thaiv gingivitis, plaque, hniav rhiab heev thiab tiv thaiv kab noj hniav thaum sodium fluoride tiv thaiv peb cov hniav nkaus xwb tiv thaiv kab noj hniav.
