Nws pab tiv thaiv cov hniav thiab txhim kho qhov muag. Cov ntsiab lus fluoride ntawm cov tshuaj yej nplooj yog siab, thiab cov ntsiab lus fluoride ntawm txhua 100 grams ntawm cov tshuaj yej qhuav yog 10 mg rau 15 mg, thiab 80 feem pua ntawm nws yog dej-soluble. Yog hais tias txhua tus neeg haus 10 grams tshuaj yej ib hnub twg, nws muaj peev xwm nqus tau 1 mg mus rau 1.5 mg ntawm cov dej-soluble fluoride, thiab tshuaj yej yog ib tug alkaline dej haus, uas yuav inhibit qhov txo ntawm calcium nyob rau hauv tib neeg lub cev, uas muaj txiaj ntsig zoo rau kev tiv thaiv kev kho hniav. caries, tiv thaiv cov hniav, thiab ntxiv dag zog rau cov hniav. ntawm. Hauv kev xeem ntawm "kev ntxuav lub qhov ncauj nrog tshuaj yej tom qab haus dej" ntawm cov tub ntxhais kawm theem pib, tus nqi ntawm cov hniav tuaj yeem raug txo los ntawm 80 feem pua. Ntawm cov neeg mob cataract, 28.6 feem pua muaj tus cwj pwm ntawm haus tshuaj yej; 71.4 feem pua tsis muaj tus cwj pwm haus tshuaj yej. Qhov no yog vim hais tias cov vitamin C thiab lwm yam khoom xyaw hauv tshuaj yej tuaj yeem txo qhov turbidity ntawm lub qhov muag lens, thiab haus tshuaj yej tsis tu ncua muaj txiaj ntsig zoo ntawm kev txo cov kab mob ntawm lub qhov muag, tiv thaiv qhov muag thiab txhim kho qhov muag.
