Koj puas muaj teeb meem nrog koj cov hniav? Puas yog lawv tsis muaj zog lossis caries kov yeej lawv, lossis tej zaum cov enamel tau hnav ntau dhau, cov hniav tau ua dhau lawm? Crowns yog kev daws teeb meem rau tag nrho cov teeb meem no. Hlau ceramics zoo dua li lwm cov ntaub ntawv. Qhov no yog cov khoom siv zoo, txhim khu kev qha thiab ruaj khov.
Metal-ceramic crowns tau ua tiav qhov kev zoo nkauj hauv kev kho hniav prosthetics. Tam sim no tib neeg tuaj yeem luag nyav thaum zais cov hniav lwj los ntawm qhov muag pom - ntau ruaj khov thiab zoo nkauj cov hniav yuav zoo li tej yam ntuj tso.
Koj yuav tsis khuv xim koj qhov kev txiav txim siab kom tau cov kaus mom no. Cermet muab kev ntseeg siab thiab kav ntev, thiab qhov tseem ceeb tshaj plaws - nws muaj nqis. Nyob rau hauv txoj kev no, qhov zoo li qub ntawm cov hniav ntuj tuaj yeem rov qab los. Yog tias txawm tias ib feem ntawm nws tam sim ntawd tawg, koj yuav tsum nrhiav kev pab los ntawm tus kws tshaj lij. Nyob rau hauv rooj plaub no, nws yuav nruab txhim khu kev qha crowns. Hlau-ceramic yog cov khoom siv zoo heev uas tiv taus cov khoom hnyav. Cov crowns no ruaj khov. Tsis xav tias qhov no txoj kev ntawm prostheticsyog qhov nrov tshaj plaws niaj hnub no. Nrog nws cov kev pab, koj tuaj yeem tshem tawm qhov tsis xws luag uas tshwm sim hauv kev kho hniav. Tsis tas li ntawd, qhov zoo nkauj ntawm cov hniav ntuj yog khaws cia.
Koj tuaj yeem txuag tau nyiaj los ntawm kev muab cov hlau-ceramic crowns. Tus nqi nyob ntawm qhov kev xaiv ntawm cov khoom siv rau kev tsim cov thav duab. Cov nqi qis tshaj plaws siv cov hlau hauv paus. Yog tias kub, nrog rau nws cov alloys, yog siv los ua tus ncej, ces, raws li, tus nqi ntawm no yuav ntau dua, tab sis nws tsim nyog. Tsis txhob txuag koj txoj kev noj qab haus huv, vim tias lub neej ntawm lub kaus mom nyob ntawm seb cov hlau puas suav nrog. Pheej yig puag alloys ua rau cov ceramic txheej maj mam darken.
Tab sis txoj kev no ntawm cov khoom siv prosthetics muaj nws qhov tsis zoo. Yog hais tias lub crowns raug ua kom raug, lawv haum snugly rau cov hniav kho. Hauv qhov no, tsis muaj qhov sib txawv, uas txhais tau hais tias cov hniav tuaj yeem tiv thaiv tau los ntawm cov khoom noj uas tau txais ntawm lawv. Nws yog ib qho tsim nyog yuav tsum nco ntsoov tias qhov teeb meem feem ntau thaum txhim kho crowns yog tias cov pos hniav maj mam txo qis. Qhov no qhib ib txoj kab hlau ntawm lub hauv paus ntawm lub crown. Txhawm rau tiv thaiv qhov no los ntawm qhov tshwm sim, cov yas yog siv nrog cov khoom plooj (porcelain edge) - qhov no, cov pos hniav tsis tuaj yeem cuam tshuam nrog lub hauv paus hlau.
Hlau ceramics tsis haum rau txhua tus, cov yas uas ua los ntawm cov khoom zoo li no yuav tsum tsis txhob muab tso rau cov menyuam yaus hnub nyoog qis dua kaum rau xyoo. Tsis tas li ntawd, qhov kev xaiv no tsis haum rauQee zaum vim yog cov qauv ntawm cov hniav lossis lawv cov duab.
Ceramic hlau muaj zog ntau dua li ntuj enamel, yog li cov yas no tuaj yeem nruab nrog malocclusion thiab pathological abrasion ntawm cov hniav. Txawm hais tias tsis muaj hniav tag nrho, nws muaj peev xwm ua tau ib qho ceramic-hlau yas. Piv txwv li, installation ntawm implants yog ua tau. Titanium pins yog cog rau hauv qhov chaw ntawm cov hniav rho tawm.
Hnub no, cov yas yog qhov xav tau zoo, uas zirconium oxide yog siv los ua lub hauv paus. Lawv muab cov durability thiab siab tshaj plaws aesthetics.
