2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Dental fluorosis yog tshwm sim los ntawm kev noj cov tshuaj fluoride ntau dhau lub sijhawm ntev thaum cov hniav tsim hauv qab cov pos hniav. Tsuas yog cov menyuam yaus hnub nyoog qis dua 8 xyoos thiab qis dua yuav muaj kev pheej hmoo vim qhov no yog thaum cov hniav mus tas li; Cov menyuam yaus hnub nyoog qis dua 8 xyoos, cov hluas, thiab cov laus tsis tuaj yeem tsim kho hniav fluorosis.
Thaum twg fluorosis tshwm sim?
Dental fluorosis tshwm sim thaum cov hniav mus tas li tab tom tsim, ua ntej lawv tau tawg. Qhov kev pheej hmoo loj tshaj plaws yog txij thaum yug mus txog 8, tshwj xeeb tshaj yog nyob nruab nrab ntawm 15 thiab 30 lub hlis. Kev noj tshuaj fluoride tom qab muaj hnub nyoog 8 xyoos tsis tuaj yeem ua rau fluorosis. Kev kho hniav fluorosis tsis tshua muaj tshwm sim hauv cov hniav thawj zaug dua li ntawm kev kho hniav mus tas li.
Yuav ua li cas rau cov kab mob fluorosis?
Cov dej haus hom kab mob fluorosis yog ib qho mob lom lom los ntawm cov dej haus uas muaj cov tshuaj fluoride siab (dhau 1.2 mg/L) rau lub sijhawm ntev. Qhov siab ntawm fluoride hauv dej tau tshwm sim los ntawm qib siab ntawm ion hauv cov pob zeb hauv zos thiab av.
Puas fluorosis ploj mus?
Txawm lawv yuav txhuam thiab txhuam ntau npaum li cas, cov kab mob fluorosis tsis ploj mus. Ntau qhov chaw paub zoo ntawm cov tshuaj fluoride tuaj yeem ua rau muaj ntau dhau, suav nrog: Fluoridated qhov ncauj yaug, uas cov menyuam yaus yuav nqos tau.
fluorosis kis tau li cas?
Fluorosis Ua rau
Ib qho ua rau muaj fluorosis yog siv tsis tsim nyog cov khoom siv kho hniav uas muaj fluoride xws litshuaj txhuam hniav thiab qhov ncauj yaug. Qee lub sij hawm, cov menyuam yaus nyiam saj cov tshuaj txhuam hniav uas muaj fluoridated ntau heev kom lawv nqos nws es tsis txhob nchuav nws tawm.
Pom zoo:
Puas yog rov tshwm sim dua lossis rov tshwm sim dua?
Reoccur thiab recur yog verbs uas qhia ib lo lus hauv paus. Thaum lawv nyob ze heev ntawm lub ntsiab lus, lawv tsis zoo ib yam. Tej yam uas yog rov tshwm sim dua thiab dhau mus, tej zaum nyob rau ib ntus. Hauv qhov sib piv, ib yam dab tsi uas rov tshwm sim tsuas yog tshwm sim dua tab sis tsis tas yuav rov ua dua.
Rau qhov tshwm sim tshwm sim?
Cov tshuaj tiv thaiv tus kheej yogtawm tsam uas nyiam tsim cov khoom ntawm cov xwm txheej uas tshwm sim. … Qhov kev sib xyaw ua ke ntawm kev txo qis ntawm lub zog thiab qhov nce hauv entropy txhais tau hais tias cov tshuaj tiv thaiv combustion tshwm sim tsis tu ncua.
Thaum twg pfizer tshwm sim tshwm sim?
Qee yam tshwm sim tshwm sim txoj cai tom qab koj txhaj tshuaj, zoo li mob me me hauv koj txhais caj npab. Lwm tus yuav siv sij hawm ntau teev los txhim kho. Nco ntsoov tias nrog ob koob tshuaj tiv thaiv zoo li Pfizer-BioNTech thiab Moderna, koj tuaj yeem pom muaj kev phiv ntau dua tom qab txhaj tshuaj thib ob.
Yuav tshwm sim lossis tshwm sim?
Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Thaum siv tshwm sim lossis tshwm sim?
Yuav ua li cas txiav txim siab seb qhov kev tshwm sim yog tshwm sim los yog tsis ua raws li txoj cai?
Kev sib xyaw ua lej ntawm kev hloov pauv enthalpy thiab hloov pauv hloov pauv tso cai rau kev hloov pauv ntawm lub zog dawb los suav. A tawm tsam nrog tus nqi tsis zoo rau ΔG tso tawm lub zog dawb thiab yog li nws tus kheej. Cov tshuaj tiv thaiv nrog qhov zoo ΔG yog tsis ua raws li kev xav thiab yuav tsis nyiam cov khoom.
