Kev txhim kho cov kaus mom yog hom nrov tshaj plaws ntawm cov khoom siv. Nyob rau hauv tsos, lawv tsis txawv ntawm cov hniav ntuj thiab ua lawv cov dej num. Hlau-ceramic crowns yog siv hauv kev kho hniav niaj hnub. Lawv qhov zoo, qhov tsis zoo thiab kev teeb tsa tau piav qhia hauv kab lus.
Ntse
Metal-ceramic crowns yog nthuav tawm raws li cov khoom tsim los ntawm cov hlau thiab ceramics. Ib lub thav duab yog ua los ntawm cov hlau, muaj lub thickness ntawm 0.3-0.5 hli. Cov khoom siv classic yog tsim los ntawm cob alt- lossis nickel-chromium alloy. Cov khoom muaj biocompatibility zoo thiab lub zog. Yog tias tus neeg mob xav tau, cov hlau yuav hloov mus rau lwm qhov, tsim los ntawm kub thiab platinum.
Tsim cov hlau-ceramic crowns ntawm cov hniav pem hauv ntej, siv cov kub-palladium alloy, vim lub hauv paus daj ua cov txheej txheem ceramic. Ib txheej txheej ceramic yog siv rau lub hauv paus ua haujlwm los ntawm kev txau, ua tiav cov xim ntuj ntawm cov hniav. Ua tsaug rau cov cuab yeej tshwj xeebcov khoom tshwj xeeb yog ruaj khov.
Views
Dhau li ntawm qhov tseeb tias ceramic-hlau crowns tau muab faib raws li cov hlau siv hauv kev tsim cov thav duab, muaj lwm qhov kev faib tawm. Nws yog nyob ntawm txoj kev teeb tsa ntawm cov qauv. Cov khoom tuaj yeem ntsia tau:
- rau hauv paus hniav;
- on cog.
Txhua yam khoom muaj nws qhov zoo thiab qhov tsis zoo. Kev txiav txim los ntawm kev tshuaj xyuas, cov hlau-ceramic crowns yog kev ntseeg siab rau txhua hom kev teeb tsa.
Roots
Hom no tsuas yog siv nrog kev khaws cia ib feem ntawm lub kaus mom thiab muaj cov hauv paus puv nkaus. Kev txhim kho ntawm cov qauv yog nqa tawm nyob rau hauv ib tug noj qab haus huv los yog kiag li kho cov hauv paus hniav. Rau kev txhim kho, cov ntsiab lus ntxiv yog siv, uas yog tsim los ua rau qhov poob ntawm lub crown. Muaj 2 hom khoom:
- qauv tus pin. Nws yog nthuav nyob rau hauv daim ntawv ntawm ib tug cam khwb cia hlau pas nrig, uas yog implanted rau hauv lub hauv paus los ua ib tug hniav stump. Nws yog siv rau kev puas tsuaj uas tsis cuam tshuam rau ib feem ntawm cov hniav hauv qab cov pos hniav. Titanium feem ntau yog siv rau hauv kev tsim khoom, tab sis muaj tooj dag, tooj liab, hlau pins.
- Tub tab. Qhov no yog ib tug neeg cov khoom tsim nyob rau hauv lub laboratory. Nws yog siv rau cov hniav lwj hnyav, thaum tsuas yog cov hauv paus hniav tseem tsis zoo. Lub inlay yog tsim los ntawm tib cov hlau uas yog siv nyob rau hauv lub tsim ntawm lub crown ncej. Nws yog nthuav nyob rau hauv daim ntawv ntawm ib tug cam khwb cia qauv, sab saum toj ntawm uas yog tsim zoo li ib tug hniav stump, thiab hauv qab rov ua dua cov kab noj hniav ntawm cov hauv paus hniav.
Ua ntej siv cov hniav, tus kws kho mob kuaj xyuas qhov mob ntawm qhov ncauj. Tsuas yog tom qab ntawd yog hom kev kho mob uas tau sau tseg. Hlau-ceramic crowns tso cai rau koj kom txuag tau cov hniav seem, tiv thaiv lawv cov kev puas tsuaj ntxiv. Qhov tseem ceeb uas yuav tsum nco ntsoov yog tom qab no, kev saib xyuas qhov ncauj yuav tsum nyob twj ywm zoo thiab tsis tu ncua.
Nyob implants
Yog tias tsis muaj cov hauv paus hniav, kev teeb tsa ntawm cov yas yog ua los ntawm kev cog cov ntoo cog. Txoj kev no yog siv ob qho tib si nyob rau hauv prosthetics ntawm ib tug hniav, thiab ua kom tiav adentia siv tus choj. Thaum txhim kho ceramic-hlau yas rau ntawm tus hniav, tsis tas yuav npaj cov hniav uas nyob ib sab, vim lawv yuav tsis ua haujlwm txhawb nqa.
Cov khoom tsim kho yog tsau rau qhov abutment, uas zoo ib yam li cov pob txha hniav ntsia hlau rau hauv qhov cog. 2 implantation technologies tso cai rau kho cov hniav:
- Classic (multi-stage). Cov txheej txheem no ntev, feem ntau siv ntau tshaj 4 lub hlis. Lub sij hawm tshwj xeeb yog txiav txim los ntawm lub sij hawm ntawm engraftment ntawm implantation. Nrog rau ntau theem kev cog qoob loo, lub hauv paus titanium raug teeb tsa, thiab tom qab ntawd cov pos hniav qub, thiab tom qab ntawd cov yas yog tsau.
- Ib simultaneous. Piv nrog rau txoj kev classical, lub installation ntawm kev cog thiab kho ntawm lub yas yog ua nyob rau hauv 1 txheej txheem. Crowns nyob rau hauv qhov teeb meem no yuav ua raws li gingiva qub.
Mount
Crowns txuas rau hauv qab no:
- Cement. Hauv qhov xwm txheej no, tus qauv tsim yog tsau rau ntawm abutment nrog cov khoom sib xyaw tshwj xeeb. Rau kho ib tug hlau-ceramic crownnws yuav yog qhov zoo tshaj plaws vim tias nws muaj cov yam ntxwv ntawm kev poob siab zoo heev.
- Screw. Nrog rau kev siv cov ntsia hlau fastening, lub crown nrog ib lub qhov rau ntsia hlau ntxig thiab ib tug tshwj xeeb abutment nrog ib tug kab noj hniav rau screwing. Lub qhov nyob rau hauv lub crown yog nyob rau ntawm qhov zom. Thaum kho, lub hau ntswj platform yog them nrog lub teeb curing composite.
Kev qhia
Raws li kev tshuaj xyuas, cov hlau-ceramic crowns tsis tas yuav siv. Lawv siv tau ntawm:
- ploj ib los yog ntau dua hniav;
- kev puas tsuaj ntawm ib feem ntawm cov hniav;
- deficiencies - chips, tawg, thaum veneers los yog composite restoration siv tsis tau;
- kab mob caries ntau heev;
- siab abrasion enamel;
- malposition ntawm cov hniav;
- kab laug sab;
- fluorosis thiab mob hnyav heev hauv kev tsim cov nqaij tawv tawv ntawm cov hniav.
Raws li cov kws tshaj lij, prosthetics nrog hlau-ceramic crown yuav yog ib qho kev daws teeb meem zoo tshaj plaws hauv cov xwm txheej no. Hloov kho cov hniav yuav tsis txawv ntawm lawv tus kheej. Tsis tas li ntawd xwb, tus neeg ntawd tsis muaj kev tsis xis nyob.
YContraindications
Cov kaus mom no tsis tuaj yeem siv rau:
- ua xua rau cov khoom siv ntawm kev tsim kho;
- qaug zog lossis tsis ruaj khov ntawm kev txhawb nqa cov hniav;
- qis crown qhov siab ntawm abutment hniav.
Ua ntej ua cov khoom siv prosthetics, koj yuav tsum sab laj nrog koj tus kws kho hniav. Tus kws kho mob tshwj xeeb yuav xaiv qhov tsim nyog crown xaiv,Yog hais tias muaj contraindications rau ceramic-hlau lug.
Production
Ceramic-hlau yas yas ua li cas? Kev xav tau thawj zaug thiab tom qab ntawd xa mus rau chav kuaj hniav. Qhov no yog qhov khoom tsim. Qhov no ua tiav raws li cov lus qhia hauv qab no:
- Ib tus qauv ua haujlwm plaster yog tsim los ntawm kev xav. Ntawm nws lub hauv paus, ib daim ntawv siv quav ciab ntawm tus ncej yog tsim, los ntawm cov khoom pov tseg. Cov ncej hlau yog ces raug rho tawm haujlwm thiab sandblasted.
- Cov thav duab tshwm sim yog kho nrog cov nplaum thiab ceramics siv txoj kev dav hlau. Txhua txheej yog qhov cub kho ntawm 980 degrees.
Txoj kev no muab cov tshuaj muaj zog ntawm cov hlau thiab cov ceramic, uas txo qhov kev pheej hmoo ntawm chipping thaum siv. Feem ntau cov txheej txheem tsim khoom siv sijhawm tsis pub dhau 10 hnub. Cov khoom tsim tau zoo tuaj yeem nyob tau ntau xyoo nrog kev saib xyuas kom raug.
Txhim kho nta
Cov txheej txheem rau kev txhim kho ceramic-hlau yas yog raws li hauv qab no:
- Lub qhov ncauj kab noj hniav yog npaj rau txheej txheem. Rau qhov no, kev ua haujlwm tu thiab kho hniav yog ua. Yog tias tsim nyog, refilling yog nqa tawm. Thaum tuav cov hauv paus hniav ntawm cov hniav, depulpation yog yuav tsum tau. Nrog rau cov hniav lwj hnyav, yuav tsum muaj tus pin lossis inlay.
- Kev npaj rau hlau-ceramic crown. Feem ntau, 2 hli ntawm cov ntaub so ntswg tawv raug tshem tawm thaum tig. Qhov no yog xav tau rauua kom cov khoom cuav zoo li ntuj.
- Koj yuav tsum tau coj cov cam khwb cia, uas yog tom qab ntawd xa mus rau chav kuaj. Tom qab ntawd tus kws kho hniav txhim kho cov yas yas ib ntus ntawm cov kua nplaum tshwj xeeb. Ntau tus, xav kom txuag nyiaj, tsis kam, tab sis tom qab kev npaj, cov hniav yog rhiab heev, thiab ib ntus crowns yuav tiv thaiv los ntawm qhov kub thiab txias. Lawv kuj ua kom cov hniav zoo nkauj dua.
- Tus qauv raug sim rau. Thaum lub thav duab tsis kho nrog ceramics, nws raug xa mus rau chav haum. Lub sijhawm no, qhov tsis zoo yog tsim los thiab xaiv cov xim uas xav tau ntawm enamel.
- Cov khoom lag luam tau teeb tsa nrog cov cement lossis ntsia hlau hauv 1 txheej txheem. Kev teeb tsa ntawm ib lub yas kav ntev li 15 feeb.
Qhov no yog qhov txheej txheem ua tiav hauv txhua lub chaw kho hniav. Kev ua txhaum ntawm thev naus laus zis tuaj yeem ua rau muaj teeb meem uas tsuas yog kws kho mob tuaj yeem tshem tawm.
txiaj ntsig
Hlau-ceramic crowns nyob rau hauv kev thov vim lawv muaj ntau yam zoo. Lawv paub:
- zoo nkauj zoo nkauj.
- Txoj kev.
- Long service life - Porcelain-fused-to-metal crowns last over 15 years.
- Tus nqi pheej yig.
- Zoo xim thiab kub tsis kam.
- Tsawg muaj feem ntawm cov chips thiab tawg.
Ceramic tsis tau tshem tawm txawm tias siv ntev. Vim yog qhov zoo, ntau tus neeg xaiv cov yas no. Nws txaus los muab kev saib xyuas zoo kom lawv pab tau ntev.
Flaws
Ntxiv rau qhov zoo, tseem muaj qhov tsis zoo ntawm cov hlau-ceramic crowns:
- Thaum lub sijhawm teeb tsa, txawm tias cov hniav noj qab haus huv tau tig. Cov txheej txheem no suav hais tias yog irreversible. Nws hloov tawm tias txhawm rau kho ib tus hniav, koj yuav tsum tau lwj ntau tus neeg noj qab haus huv.
- Depulpation yog ua, vim cov hniav yuav tuag.
- Ntau zaus ua xua rau lub hauv paus hlau.
- Cyanosis tshwm raws ntug ntawm cov pos hniav.
Txawm hais tias txoj kev muaj nws qhov tsis zoo, nws tseem raug xaiv los ua ib txoj hauv kev zoo ntawm cov khoom siv. Kev teeb tsa ntawm cov yas yuav txhim kho qhov mob ntawm qhov ncauj kab noj hniav.
Kev
Cov lus pom zoo rau kev saib xyuas cov yas yuav tsum tau muab los ntawm tus kws kho mob tom qab lawv tau teeb tsa. Feem ntau cov no yog ob peb txoj cai uas yuav pab txo qis kev pheej hmoo ntawm cov kab mob hauv qhov ncauj thiab txuas ntxiv lub neej ntawm cov prosthesis:
- Koj yuav tsum ntxuav koj lub qhov ncauj tsis tu ncua txog cov kab mob. Rau qhov no, tsis tsuas yog 2-lub sij hawm ntxuav nrog txhuam thiab muab tshuaj txhuam, tab sis kuj ntxiv cov khoom siv - txhuam hniav, txhuam hniav, irrigator, mono-beam txhuam. Nrog kev pab los ntawm cov cuab yeej zoo li no, nws yuav muaj peev xwm tshem tawm cov quav hniav txawm tias los ntawm qhov chaw nyuaj. Thaum lub sij hawm ntxuav, nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau cov pos hniav thiab qhov chaw ntawm cov hniav.
- Koj yuav tsum tau mus ntsib kws kho hniav tsis tu ncua, vim tias tsuas yog ib tus kws kho mob tshwj xeeb tuaj yeem kuaj pom qhov hloov pauv hauv lub kaus mom lossis muaj cov kab mob ntawm cov txheej txheem ntawm thawj theem.
- Tsis pub ntxuav nrog cov khoom hlau, zom zaub mov tawv, qhib hau nrog cov hniav.
Price
NyiajCov hlau-ceramic crown yog lub ntsiab tseem ceeb uas cuam tshuam rau kev xaiv ntawm tus neeg mob. Tus nqi ntawm cov qauv nrog ib tug ncej ua los ntawm ib tug alloy ntawm cob alt / npib tsib xee thiab chromium yog 6 txhiab rubles. Tab sis cov khoom ntawm lub thav duab kuj coj mus rau hauv tus account. Tus nqi ntawm ceramic-hlau yas yas ua los ntawm cov khoom muaj nqi yog 15,000 rubles. Tus nqi sib txawv rau txhua tus neeg tsim khoom. Piv txwv li, Japanese thiab European crowns raug nqi 6-8 txhiab rubles, thaum Lavxias teb sab thiab Belarusian crowns raug nqi 4 txhiab.
Yuav Muaj Teeb Meem
Qhov kev vam meej ntawm cov hniav yog txiav txim siab los ntawm qhov zoo ntawm kev kho kom zoo ntawm cov hniav anatomical ntawm cov hniav puas, uas txiav txim siab cov txheej txheem ntawm zom zaub mov, kho kom zoo ntawm kev zoo nkauj thiab kev txuag ntawm qhov ncauj. Yog tias pom qhov yuam kev ntawm txhua theem, kev siv lub kaus mom tuaj yeem ua rau muaj teeb meem:
- Kev ua txhaum ntawm lub xeev ntawm gingival margin. Nws tuaj yeem yog ob qho tib si txo qhov ntim ntawm cov pos hniav, thiab thickening, o vim o. Nrog rau qhov gingival margin, papillae tau koom nrog hauv cov txheej txheem ntawm qhov chaw ntawm qhov muab tso rau prosthesis. Xws li kev hloov pauv tshwm sim los ntawm qhov tsis zoo ntawm ntug ntawm lub kaus mom mus rau cov pos hniav, nws raug mob tas li.
- mob gingivitis. Nws yog suav hais tias yog ib qho mob hnyav ntawm cov teeb meem yav dhau los, nws tuaj yeem kuaj pom los ntawm qhov o ntawm cov ntaub so ntswg uas nyob ib puag ncig lub kaus mom, lawv los ntshav. Nws yog ib qho tsim nyog yuav tsum tau teb raws sijhawm rau cov cim qhia no kom tsis txhob nqa qhov teeb meem mus rau kev puas tsuaj ntawm cov ntaub so ntswg hauv qab prosthesis. Yog vim li cas rau kev hloov tsis zoo yog cov khoom siv tsis zoo raws li kev npaj tsis them nyiaj lossis kev tsim qauv.hniav ntawm ib tug unexamined impression. Tib txoj hauv kev los kho qhov teeb meem hauv qhov xwm txheej no yog ua kom cov prosthesis tshiab.
Yog tias muaj teeb meem tshwm sim, koj yuav tsum sab laj nrog kws kho mob. Tus kws kho mob tshwj xeeb yuav tshuaj xyuas qhov teeb meem thiab sau ib txoj kev kho mob zoo. Qhov no yuav tiv thaiv qhov tshwm sim tsis zoo.
Sib txawv ntawm lwm cov kaus mom
Prosthetics ntawm cov hniav pem hauv ntej tuaj yeem nqa nrog cov khoom siv ceramic-hlau lossis cov khoom siv ceramic. Thawj qhov kev xaiv tau lees paub tias ruaj khov thiab txhim khu kev qha. Tab sis nyob rau hauv cov nqe lus ntawm aesthetic zog rau lub "smile cheeb tsam", nws yog advisable mus xaiv ceramic crowns uas tau lees paub tias yog khoom.
Qee tus xaiv ntawm cov hlau-yas thiab cermet. Nws raug nquahu kom siv qhov kev xaiv thib ob. Hlau-yas tsis muaj zog heev thiab tsis tuaj yeem tiv taus cov khoom siv tshuab. Piv nrog rau ceramic, kho hniav resin tsis phim lub ntuj xim ntawm cov hniav.
Thaum xaiv ib lub thav duab rau prosthesis ntawm cov hniav pem hauv ntej, nws yog ntshaw kom nyiam cov khoom nrog zirconium los yog alloys ntawm kim hlau. Qhov zoo ntawm zirconium yog tias cov tshuaj no tso cai rau cov pos hniav ci los ntawm lub plhaub thiab tsim cov nyhuv ntuj.
Ntau tus neeg mob nco txog qhov ua tau zoo ntawm cov hlau-ceramic crowns. Feem ntau lawv raug pom zoo kom muab ntsia rau tom qab cov hniav, txawm hais tias hloov kho cov hniav pem hauv ntej kuj tau tso cai. Nws yog ib qho tseem ceeb uas txoj haujlwm yog ua los ntawm tus kws tshaj lij, vim tias qhov kev pheej hmoo ntawm cov teeb meem tsawg tsawg.
Yog li, hlau-ceramic crowns yog cov khoom zoo hauvsiv tes taw. Nrog kev saib xyuas kom zoo thiab kev hwm, cov qauv zoo li no tuaj yeem nyob tau ntau xyoo.
