CoCr Alloy PFM Dental Crowns yog siv dav siv kho hniav kho hniav, uas muaj cov cobalt -chromium alloy moj khaum fused nrog kev cai- sib tw plooj (porcelain) rau lub zog, ruaj khov, thiab kev zoo nkauj ntuj. Ib qho tseem ceeb ua ntej- cov kauj ruam muab tso rau yog tshuaj ntsuam rau CoCr alloy allergies kom tsis txhob muaj kev phiv tshwm sim, uas tuaj yeem ua rau qhov ncauj mucosal irritation, ua pob khaus tawv nqaij, los yog tsis xis nyob tsis tu ncua -kev kho mob tsis zoo thiab cov neeg mob txaus siab.
Thawj - txoj kev tshuaj xyuas kab yog cov ncauj lus kom ntxaws txog kev noj qab haus huv thiab kev ua xua. Cov kws kho mob yuav tsum nug cov neeg mob txog cov hlau yav dhau los-kev ua xua, xws li cov tawv nqaij ua pob, qhov ncauj liab, khaus, lossis o tom qab hnav cov hniav nyiaj hniav kub, kev kho hniav hlau yav dhau los, lossis kev cog hniav orthopedic. Kev saib xyuas tshwj xeeb yuav tsum tau them rau keeb kwm ntawm eczema, hu rau dermatitis, lossis paub txog kev ua xua cobalt / chromium, vim tias cov no qhia tias muaj kev pheej hmoo siab dua.
Tus qauv kub rau kev pom zoo yog kev kuaj thaj. Xa cov neeg mob mus rau cov kws kho mob dermatologist rau ISO 10993-10 kev kuaj ua raws, siv cobalt chloride thiab potassium dichromate cais. Ua kom tiav kev sim 2-4 lub lis piam ua ntej muab tso rau hauv cov yas kom tsis txhob muaj kev kho mob qeeb.
Rau cov teeb meem uas muaj qhov tsis zoo nrog qhov kev ntsuam xyuas qhov tsis zoo, qhov kev ntsuas qhov ncauj tuaj yeem siv tau: tsim kho CoCr ib ntus rau 2-7 hnub ntawm kev hnav, saib xyuas cov mucosal irritation, mob, los yog cov tshuaj tiv thaiv kab mob. Txiav tawm tam sim yog tias muaj cov tsos mob tshwm sim. Rau siab- cov neeg mob uas muaj kev pheej hmoo siab uas muaj keeb kwm ua xua hlau tsis zoo, hla kev sim thiab xaiv cov hlau ncaj qha- lwm yam dawb xws li txhua yam -ceramic crowns.