Hauv kev kho mob ntawm kev kho qhov ncauj thiab kev kho mob, tag nrho cov peev txheej ntawm cov ntaub ntawv kho hniav feem ntau nyob ntawm qhov kev txawj ntse thiab kev ua kom zoo ntawm lawv daim ntawv thov. Cov txheej txheem tsis yog tsuas yog xaiv cov khoom siv thiab sib txuam xwb tab sis kuj ua rau tag nrho cov txheej txheem ntawm pretreatment, processing, bonding, thiab post-kev kho tu, xyuas kom zoo thiab durability ntawm lub restoration.
Kev xaiv cov khoom siv meej yog qhov tseem ceeb. Mechanical load, aesthetic xav tau, thiab tus neeg mob tej yam kev mob ntawm lub restorative site yuav tsum tau muab xam tag nrho. Rau cov yas tom qab thiab txuas hniav, siab -lub zog zirconia lossis cobalt-chromium alloys raug pom zoo kom tiv thaiv zom zom; rau veneers anterior, iav -ceramic cov ntaub ntawv uas zoo translucency los yog muaj tiag resins yuav tsum tau ua ntej. Cov coefficient ntawm thermal expansion, kev sib txuas cov yam ntxwv, thiab kev ua tau zoo ntawm cov ntaub ntawv yuav tsum tau txiav txim siab kom tsis txhob muaj microleakage lossis tawg vim kev ua haujlwm tsis sib haum.
Cov txheej txheem Pretreatment ncaj qha cuam tshuam rau kev sib raug zoo. Hlau nto yuav tsum tau sandblasting los yog electropolishing los tsim ib tug zoo roughness, ua raws li los ntawm kev tshem tawm cov oxides thiab roj siv tshwj xeeb tu cov neeg ua hauj. Ceramic restorations tuaj yeem tsim siv hydrofluoric acid etching lossis sandblasting los tsim cov qauv microporous, nrog cov silane coupling cov neeg ua haujlwm txhim kho cov tshuaj sib txuas. Resin cov ntaub ntawv yuav tsum tau ua tib zoo kho lub teeb, thiab polishing ntau dhau yuav tsum tau zam kom tsis txhob muaj kev puas tsuaj rau cov qauv saum npoo. Kev tswj xyuas meej ntawm lub sijhawm thiab kev xav tau yog qhov tseem ceeb ntawm txhua kauj ruam; txwv tsis pub, interfacial zog yuav raug txo.
Machining thiab shaping cov tswv yim yog qhov tseem ceeb rau kev ua tiav qhov sib npaug ntawm daim ntawv thiab kev ua haujlwm. Thaum lub sij hawm milling, tus nqi pub thiab spindle ceev yuav tsum tau kho raws li cov khoom hardness, thiab cov cuab yeej txiav tsim nyog yuav tsum tau xaiv kom txo qis chipping thiab thermal puas. Shaping yuav tsum ua raws li cov hauv paus ntsiab lus ntawm qhov tsis txaus ntseeg, tswj kev sib raug zoo nrog kev tawm tsam thiab cov hniav uas nyob ib sab, thaum ua kom cov marginal adaptability kom tsis txhob overhangs lossis qhov khoob.
Cov txheej txheem kev sib khi yuav tsum tau ua kom haum rau cov khoom tshwj xeeb. Dual-kho lossis lub teeb-kho resin cements feem ntau yog siv rau ceramic thiab resin resin. Cov txheej yuav tsum tsis sib xws thiab cov tuab tuab, thiab cov kev taw qhia thiab lub sijhawm ntawm lub teeb pom kev zoo yuav tsum ua raws li cov khoom siv tshwj xeeb. Kev kho cov hlau tuaj yeem ntxiv nrog cov txheej txheem khaws cia kom zoo dua qub kom tsis txhob cuam tshuam. Tom qab kho, qhov chaw nyob ib sab thiab occlusion yuav tsum tau kuaj xyuas, thiab kev kho kom sai kom tsis txhob muaj kev ntxhov siab thaum ntxov.
Tom qab-txoj kev kho kev kho mob tseem ceeb sib npaug. Kev tshuaj xyuas tsis tu ncua saib xyuas cov khoom hnav, xim hloov pauv, thiab kev sib koom ua ke, tso cai rau kev cuam tshuam thaum ntxov hauv - thaj chaw muaj kev pheej hmoo siab thiab txuas ntxiv lub neej ntawm kev kho dua tshiab.
Hauv cov ntsiab lus, kev siv cov khoom siv kho hniav kev txawj ntse yog kev sib xyaw ua ke ntawm kev paub dhau los thiab kev tsim qauv. Kev paub thiab xyaum cov ntsiab lus tseem ceeb no tuaj yeem ua kom cov khoom siv tau zoo tshaj plaws thiab txhim kho cov txiaj ntsig kev kho mob hauv kev kho mob.
