Lwm txoj hauv kev los ntawm amalgam suav nrog cov tshuaj cob, iav ionomer, plooj (porcelain), thiab kub, thiab lwm yam kev xaiv. Cov neeg tau txais kev pab feem ntau xaiv cov ntawv sau ncaj qha vim tias cov xim dawb txuam phim tus hniav zoo dua thiab tus nqi txiav txim siab me ntsis.
Sij hawm dhau los, ib qho kev sib cav sib ceg tawm tsam cov kev sib txuas yog tias lawv yuav tsis tiv thaiv li amalgam. Txawm li cas los xij, kev tshawb fawb tsis ntev los no tau ua txhaum txoj cai no. Cov kws tshawb nrhiav txog kev tshawb nrhiav uas tau luam tawm xyoo 2016 thiab ua rau ntau dua 76,000 tus neeg mob rau ntau tshaj kaum xyoo pom tias kev sau tshuaj tom qab amalgam muaj qhov feem pua tsis ua haujlwm txhua xyoo ntau dua li cov sib xyaw.1Ob qhov kev tshawb fawb cais tawm hauv xyoo 2013 pom tias cov kev ua haujlwm sib xyaw ua ke nrog amalgam thaum sib piv cov nqi tsis ua haujlwm2thiab hloov cov nqi sau.3Lwm qhov kev tshawb fawb tau muab cov kev tshawb pom zoo sib xws: kev tshawb fawb luam tawm xyoo 2015 sau "zoo ua haujlwm hauv chaw kho mob" ntawm cov tshuaj pleev ib qho dhau 30 xyoo kev soj ntsuam,4ib qhov meta-tsom luam tawm nyob rau xyoo 2014 sau txog “muaj txoj sia nyob zoo” ntawm cov dej txaij rov tom qab,5txoj kev tshawb fawb luam tawm xyoo 2012 tau qhia qee yam ntawm cov ntaub ntawv uas siv kav ntev npaum li amalgam,6thiab ib txoj kev tshawb fawb luam tawm xyoo 2011 pom "kev soj ntsuam ua tau zoo" ntawm kev sib txuas hauv 22-xyoo lub sijhawm.7
Kev sau ua ke kuj tau raug thuam vim tias qee qhov ntawm lawv muaj cov khoom tsis sib haum cov bisphenol-A (BPA). Cov kws kho hniav muaj ntau lub tswvyim txog kev nyab xeeb ntawm BPA thiab lwm hom bisphenol, xws li Bis-GMA thiab Bis-DMA. Muaj qhov sib xws tau muaj kev txhawj xeeb txog cov iav ionomers, txhua yam muaj tshuaj fluoride.
Cov neeg mob uas txhawj xeeb txog cov khoom xyaw hauv lawv cov ntawv kho hniav feem ntau xaiv tham nrog lawv cov kws kho hniav txog kev siv cov khoom uas tsis muaj qee yam khoom xyaw. Piv txwv li, ib qho khoom lag luam muaj npe Admira Fusion: koj puas xav tau ntau tus thwjtim?8/Admira Fusion X-tsheb9tso tawm thaum Lub Ib Hlis 2016 los ntawm lub tuam txhab kho hniav VOCO tau tshaj tawm tias yog ceramic10thiab kom tsis txhob muaj Bis-GMA lossis BPA ua ntej lossis tom qab nws tau kho kom zoo.
Lwm txoj kev xaiv rau cov neeg mob hniav txhawj xeeb txog seb yuav xaiv cov tshuaj mercury dawb los siv ua cov khoom ntim dab tsi los ua lawv txoj kev tshawb fawb thiab / lossis kuaj kev kuaj hniav biocompatibility kuaj hniav. Yog tias kev sim txheeb raws roj ntsha, cov neeg mob cov ntshav raug xa mus rau qhov chaw kuaj ntshav kuaj saib cov ntshav puas muaj kev soj ntsuam rau qhov kuaj pom ntawm IgG thiab IgM cov tshuaj tiv thaiv kab mob rau cov tshuaj lom neeg siv hauv cov khoom kho hniav.11 Tom qab ntawv tus neeg mob tau sau cov npe ntxaws uas tau siv cov khoom kho hniav lub npe muaj kev nyab xeeb rau lawv siv thiab qhov twg tuaj yeem ua rau muaj kev cuam tshuam. Ob qhov piv txwv ntawm lab uas tam sim no muab cov kev pabcuam no yog Biocomp Lub chaw soj nstuam12thiab ELISA / ACT Biotechnologies tshuab13
Tsis tas li ntawd, hais txog kev ua xua hniav, Dr. Stejskal tau qhia txog qhov MELISA xeem xyoo 1994Cov. Qhov no yog cov hloov kho ntawm (Lymphocyte Transformation Test) LLT tsim los ntsuas cov hlau siab hom IV ncua sijhawm tsis haum rau cov hlau, suav nrog cov tshuaj tiv thaiv kom muaj mercury.14
Ntxiv rau kev txiav txim siab seb cov khoom siv twg thiaj siv los kho hniav, nws yog ib qho tseem ceeb uas cov neeg mob hniav thiab cov kws tshaj lij yuav tsum paub txog thiab siv kev ntsuas tiv thaiv kev nyab xeeb thaum tshem tawm cov hniav sib xyaw ua pa mercury.