Hauv kev kho hniav zoo nkauj, niaj hnub nimno ceramic veneers yog siv los ua lwm yam kev kho kom rov qab los ntawm cov hniav los yog kev siv cov yas . Cov microprosthes muab cov txiaj ntsim zoo tshaj plaws hauv kev sib piv nrog lwm hom kho tshiab ntawm qhov chaw ntim kabmob, thiab nyob rau hauv ib lub sijhawm luv luv. Ntxiv mus, cov plev noj plooj (veneers) pub koj pub koj cov hniav rau qhov kev ntshaw, qhov muag pom, xav kom xim, ua kom ntev dua.
Dab tsi yog cov poramic veneers rau cov hniav?
Qhov tseeb, cov khoom siv muaj feem xyuam yog nyias daim phiaj uas ua rau sab pem hauv ntej ntawm cov hniav thiab qhov txiav plaub ntug ua cov khoom siv hauv tsev. Qee lub sij hawm cov veneers tsuas yog cov ntaub qhwv los, cov khoom siv zoo ib yam pab kom muab lub dentition ib lub tsoos tsho thiab cov tsos nqaij daim tawv, tsis tas siv cov tshuaj dawb tso .
Nrog kev pab los ntawm cov txheej txheem piav qhia, ntau qhov teebmeem ntawm kev kho hniav yuav daws tau:
- luv luv luv crown ib feem ntawm tus hniav;
- unsatisfactory xim ntawm enamel;
- curvature ntawm cov hniav thiab me me anomalies ntawm lawv txoj hauj lwm;
- tsis ncaj ncees ntawm tus hniav;
- chipped sawv;
- diastema (qhov chaw ntawm cov hniav).
Tsis tas li ntawd, cov phom txiv hmab txiv ntoo tuaj yeem raug rov qab los nrog kev mob hnyav los yog ua ntej cov hniav. Nws zoo dua qhov kev siv tshuab classical raws li sealing, vim nws muab cov hniav rov qab los ua ib qho kev pom tseeb uas tsis tuaj yeem dhau sijhawm.
Lub ntsiab zoo ntawm kev siv cov plooj (veneers) porcelain:
- Kuj ua kom muaj kev ntxhov siab. Lub hauv ob sab phlu khaws nws daim tseem qub txawm tias qee yam ntawm cov khoom siv tawv nqaij (kas fes, dej cawv, txiv hmab txiv ntoo, nicotine).
- Tsis muaj cov quav hniav thiab pob zeb tsim. Cov kab mob tuaj yeem tsis nyob hauv ib qho chaw ntxhuav.
- Simplicity ntawm kev saib xyuas. Cov txhuam hniav ib txwm txhuam, tshuaj txhuam hniav thiab hlua dig hniav yog tsim rau tu cov khoom ua si.
- Tsawg tsawg kawg tus qauv. Adhesion ntawm ceramic daim hlau tsis tas yuav tsum muaj kev sib tsoo ntawm tus hniav, tsuas yog sab saum toj txheej ntawm enamel yog muab tshem tawm.
- Zoo nkauj loog. Qhov tshwm sim ntawm daim ntawv thov ntawm cov ntaub pua chaw muaj nuj nqis ntau tshaj qhov kho kom rov qab los ntawm cov khoom yas, sau cov khoom thiab cov xuab zeb nrog cov tshuaj lom neeg. Tsis tas li ntawd, cov kab xo hniav muaj kabmob zoo tshaj plaws nrog cov nqaij ntawm lub cev.
Qhov teeb meem tseem ceeb ntawm cov txheej txheem teeb meem tsuas yog nws cov nqi siab.
Yuav ua li cas yog lub installation ntawm ceramic veneers?
Cov txheej txheem yog nqa tawm hauv theem 2 - kev npaj thiab kev yooj yim.
Cov theem ua ntej:
- Kev npaj cov hniav rau daim ntawv tso tawm, sib tsoo los yog npaj.
- Tsim cov xees rau cov overlays.
- Kev ntes ntawm cov veneers ib ntus los tiv thaiv kev npaj cov hniav.
- Kev tsim ntawm ceramic daim hlau nyob rau hauv raws li cov casts.
Feem ntau, veneers yog tsim los ntawm manually, yog li nws yuav siv sij hawm me ntsis los ua kom tiav, li 2 asthiv.
Tom qab 10-15 hnub, koj yuav tsum mus ntsib koj tus kws kho hniav dua thiab ua cov nram qab no:
- Kev rho tawm ntawm tus hniav nrog ib daim ntaub thaiv yas, tso cai rau tshem tawm kev sib cuag ntawm qhov ua hauj lwm nto nrog cov khoom ya.
- Kev ua cov cheeb tsam glued nrog cov tswv yim tshwj xeeb, daim ntawv thov ntawm cov nplaum zaj duab xis.
- Daim ntawv thov rau sab hauv ntawm lub veneer ntawm kua kua.
- Kev khuam lub pob khawm rau hniav, nruj nias.
- Hardening (polymerization) ntawm lub composite.
- Polishing ntawm lub pob yas qej txha hniav laus thiab cov phuam ntoo.
Txoj kev ua no rov qab rau txhua tus hniav raug kho.
Qhov kev pab cuam lub neej ntawm ceramic veneers
Ua zoo saib ntawm thaj chaw ua haujlwm, ua raws li tus kws kho mob thiab cov tshuaj prophylaxis (txhua txhua rau lub hlis) ntawm cov kab mob los yog lwm cov kab mob ntawm cov hniav thiab pos hniav, lawv yuav kav ntev txog 10 xyoo.
Nws yog tsim nyog sau cia tias cov plooj (porcelain veneers) ntawm lawv cov khoom siv yog cov feem ntau ruaj khov rau hauv kev sib piv nrog cov analogues los ntawm lwm yam ntaub ntawv.