Cobalt chromium hniav thiab plooj (veneers) fused rau cov yas hniav, muaj lawv tus kheej cov yam ntxwv tshwj xeeb thiab kev sau cov xwm txheej. Ua ntej peb paub qhov sib txawv ntawm ob cov ntaub ntawv, cia peb nkag siab lawv cov khoom siv yooj yim.
Cobalt chromium hniav, raws li lub npe qhia, yog hlau phaj hniav hniav nrog cobalt thiab chromium raws li cov ntsiab lus tseem ceeb. Cov khoom no nyob ntawm qhov chaw kho hniav rov qab los vim tias nws zoo biocompatibility, corrosion tsis kam thiab tshuab cov khoom siv. Cobalt Chromium Alloy muaj lub zog loj thiab tuaj yeem ua lub zog loj, yog li nws yog qhov tsim nyog rau cov hniav postiorior thiab lwm qhov uas yuav tsum tau thev siab loj. Tsis tas li ntawd, nws cov xim zoo ib yam li cov hniav ntuj, thiab nws txoj kev zoo nkauj kuj zoo heev.
Plooj (pfm) yog cov tswv yim ntxiv, xws li cov hniav sib xyaw ua ke, yog li lawv los ze zog rau cov hniav sib tsoo, yog li lawv tau los ze zog rau cov hniav sib tsoo hauv kev sib kis cov hniav hauv lub teeb ci, xim thiab kev zoo nkauj. Plooj (veneers) fused rau cov txheej txheem hlau yog ib txheej ntawm cov ntaub ntawv fused mus rau saum npoo ntawm cov hlau uas ruaj khov ntawm cov hlau thiab kev zoo nkauj ntawm cov plooj (porcelain.
Los ntawm cov khoom siv taw tes pom, cobalt chromium hniav yog rau ib hom hlau porcelain hniav, tab sis lawv qhov tsis txaus ntseeg nyob rau hauv cov sib txawv sib xyaw. Hauv kev sib piv, plooj (pf (pfm) cov hniav npog ntxiv ntau hom porcelain thiab muaj ntau txoj kev xaiv.
Nyob rau hauv cov nqe lus ntawm durability, cobalt chromium hniav muaj siab compressive zog thiab durability vim kev txhawb nqa ntawm nws cov hlau sab hauv, thiab tsis yooj yim rau kev puas tsuaj tom qab siv ntev. Txawm hais tias txhua tus hniav sib xyaw ua ke yog zoo dua hauv kev ua kom zoo nkauj, lawv yog qhov siab dua nyob rau hauv hardness, yog li lawv yuav tsum tau siv ntau dua kom tsis txhob tawg.
Nyob rau hauv cov nqe lus ntawm kev ua kom zoo nkauj, txhua tus hniav sib xyaw ua ke yog qhov kev xaiv zoo tshaj plaws. Nws tuaj yeem qog cov xim thiab cov hniav uas muaj cov hniav rau qhov loj tshaj plaws, yog li cov hniav kho kom zoo ib yam li cov hniav zoo nkauj, thiab ua tiav cov txiaj ntsig zoo nkauj. Txawm hais tias cobalt cov hniav chromium kuj tseem tuaj yeem muab qee qhov kev ua kom zoo nkauj, tseem muaj qee yam sib txawv nrog txhua cov hniav sib xyaw.
Nyob rau hauv cov nqe lus ntawm tus nqi, tus nqi ntawm cob cov hniav chromium yog qhov tsis tshua muaj qhov tsis muaj qhov siv ntawm cov hlau nplaum, yog li tus nqi yog ntau tus neeg-phooj ywg. Txhua cov hniav cov nroj tsuag muaj feem ntau kim vim lawv cov txheej txheem kev tsim khoom nyuaj thiab cov khoom siv siab.
Muaj ntau qhov sib txawv ntawm cob lub ntsuas cov hniav chromium hniav thiab plooj (veneerain Hauv kev xaiv, cov neeg mob yuav tsum muaj kev txiav txim siab raws li lawv tus kheej cov kev xav tau, kev lag luam thiab cov kws kho mob cov lus qhia. Yog tias kev nrhiav cov nqi-ua tau zoo thiab siv tau, cobalt chromium hniav yog qhov kev xaiv zoo; Txhua cov hniav sib tsoo yuav tsim nyog yog tias lawv muaj kev ua kom zoo siab siab thiab muaj peev nyiaj tau zoo. Tsis muaj teeb meem dab tsi ntawm cov khoom siv tau xaiv, nws yuav tsum tau ua raws li cov lus qhia ntawm tus kws kho hniav tshaj lij kom ntseeg tau cov nyhuv zoo.