Dab tsi yog qhov zoo tshaj plaws Porcelain Crowns? Phau Ntawv Qhia Txog Cov Khoom Sib Piv thiab Kev Xaiv Kho Mob

Tsis muaj ib qho zoo tshaj plaws porcelain crown rau txhua rooj plaub. Kev xaiv nyob ntawm qhov chaw ntawm cov hniav, tom qab rog, qhov xav tau ntawm kev zoo nkauj, thiab tus cwj pwm ntawm tus neeg mob.

Rau cov hniav anterior nyob rau hauv siab -smile- kab esthetic cheeb tsam, lithium disilicate (xws li e.max) los yog txheej ceramics xa superior translucency thiab ntuj xim sib xyaw. Nyob rau hauv cov hniav tom qab, tshwj xeeb tshaj yog cov molars nyob rau hauv hnyav occlusion los yog cov neeg mob uas muaj bruxism, monolithic zirconia stands rau nws unmatched zog.Implant-txhawb cov yasthiab ntau-chav tsev txuas hniav feem ntau nyiam zirconia-raws li kev xaiv rau kev cia siab rau hauv load.

PFM crowns tseem ua haujlwm hauv pob nyiaj siv -tsav lossis qis- cov neeg mob zoo nkauj tom qab, tab sis tag nrho - ceramic systems tau hloov pauv ntau hauv kev xyaum niaj hnub. Qhov tseem ceeb tiag tiag yog nyob rau hauv kev sib piv cov khoom siv rau qhov chaw kho mob tshwj xeeb thiab ua kom muaj kev kuaj xyuas meej. Phau ntawv qhia no rhuav tshem cov kev xaiv kom koj tuaj yeem txiav txim siab nrog kev ntseeg siab.

"Porcelain Crown" txhais li cas tiag?

A porcelain crownfeem ntau nkag siab tias yog tus hniav- xim hniav yas uas kho cov duab, lub zog, thiab cov tsos ntawm cov hniav puas. Hauv kev sib txuas lus kho mob niaj hnub, ntau tus neeg mob thiab txawm tias qee tus neeg yuav khoom siv "porcelain crown" raws li lub ntsiab lus dav dav rau ceramics - saib cov yas.

Los ntawm cov khoom muag, lub sij hawm tsis yog qhov yooj yim.

Cov hniav niaj hnub-cov xim yas tuaj yeem suav nrog lithium disilicate, zirconia, feldspathic porcelain, txheej zirconia, lossis porcelain-fused-rau- hlau kho. Cov ntaub ntawv no tsis zoo ib yam. Lawv coj txawv txawv thaum lub sij hawm milling, sintering, crystallization, bonding, staining, glazing, thiab occlusal hloov.

Qhov kev sib txawv ntawd tseem ceeb.

Cov ntaub ntawv zoo nkauj heev uas ua haujlwm zoo ntawm lub hauv paus maxillary incisor yuav tsis yog qhov kev xaiv zoo rau cov molar thib ob hauv ib qhokev bruxismtus neeg mob. Lub siab- lub zog zirconia crown tej zaum yuav zoo tagnrho rau lub hauv paus cog qoob loo, tab sis tsis yog ib qho kev xaiv zoo tshaj plaws rau lub siab - luag nyav - kab anterior rooj plaub uas ntuj translucency yog lub hom phiaj tseem ceeb.

Porcelain, Ceramic, thiab Txhua -Ceramic Crowns

A ceramic crownyog ib lub kaus mom ua los ntawm cov khoom tsis yog-hlau inorganic khoom, feem ntau yog tsim los ua cov xim ntawm cov hniav. Ibtag nrho -ceramic crowntsis muaj hlau substructure. Cov pab pawg no suav nrog lithium disilicate crowns, zirconia crowns, thiab lwm yam iav -ceramic restorations.

A porcelain-fused-rau- hlau yas, los yog PFM crown, txawv. Nws muaj hlau coping hauv qab thiab ib txheej plooj (porcelain) rau saum. Nws tseem tuaj yeem ua cov hniav -xim los ntawm sab nraud, tab sis nws tsis yog hlau -dawb.

Rau tsab xov xwm no, "porcelain crowns" yog hais txog cov hniav tseem ceeb -cov xim yas xaiv cov kws kho hniav thiab cov chaw kuaj hniav sib piv hauv cov xwm txheej tiag tiag: E.max, zirconia, txheej zirconia, feldspathic porcelain, thiab PFM.

Kub crowns, composite crowns, thiab stainless steel crowns tsis yog lub hom phiaj ntawm no vim hais tias lawv tsis phim lub ntsiab kev tshawb fawb lub hom phiaj tom qab porcelain crown xaiv cov khoom.

Main Porcelain thiab Hniav -Colored Crown Materials piv

Cov khoom siv plooj (porcelain crown) sib txawv daws teeb meem sib txawv. Cov lus hauv qab no muab kev sib piv ceev ua ntej peb mus rau hauv txhua yam khoom.

E.max / Lithium Disilicate Crowns

E. maxyog lithium disilicate iav-ceramic crown cov ntaub ntawv paub txog nws qhov sib npaug ntawm kev zoo nkauj thiab lub zog nruab nrab. Nws yog dav siv rau anterior crowns, premolars, veneers, inlays, onlays, thiab cosmetic ib leeg -unit restorations.

Nws lub ntsiab kom zoo dua yog optical zoo. E.max tuaj yeem tsim cov translucency, tus nqi, thiab qhov tob zoo dua li ntau cov khoom siv siab - zog. Rau anterior crowns qhov twg tus neeg mob muaj ib tug siab luag kab, nyias gingival ntaub so ntswg, los yog xav tau ntxoov ntxoo, E.max feem ntau yog ib tug muaj zog xaiv.

Nws kuj ua haujlwm tau zoo thaum kev npaj tau zoo thiab tus kws kho hniav tuaj yeem ua raws li cov txheej txheem kev sib raug zoo. Lithium disilicate feem ntau tau txais txiaj ntsig los ntawm cov nplaum nplaum es tsis raug kho zoo li lub hauv paus cemented yas.

Tab sis E.max yuav tsum tsis txhob raug yuam rau txhua kis.

Rau ib tug thib ob molar nrog txwv occlusal clearance, parafunctional cwj pwm, los yog hnyav excursive hu, monolithic zirconia yog feem ntau kwv yees. E.max tuaj yeem muaj sia nyob zoo thaum siv kom raug, tab sis nws tsis yog qhov kev xaiv zoo tshaj plaws ceramic rau siab - load posterior mob.

Hauv kev tsim khoom, E.max cov ntaub ntawv xav tau kev tswj xyuas zoo ntawm cov tuab, cov qauv tsim, crystallization, thiab ntxoov ntxoo txuam. Qhov sib txawv me me hauv qhov ntxoov ntxoo los yog ceramic thickness tuaj yeem hloov qhov tsos kawg.

E.max yog cov khoom siv zoo nkauj zoo nkauj, tsis yog universal siab - cov khoom thauj khoom.

Monolithic Zirconia Crowns

Monolithic zirconiayog tag nrho -contour zirconia crown milled ua ib qho khoom siv, tsis muaj txheej txheej veneering porcelain. Nws yog ib qho ntawm cov khoom siv dav siv ntau tshaj plaws rau kev kho tom qab kho dua tshiab vim tias nws sib xyaw ua ke siab flexural zog nrog txo qhov kev pheej hmoo ntawm chipping.

Ntau cov ntaub ntawv zirconia feem ntau tau tshaj tawm nyob rau hauv 900-1200 MPa lub zog ntau yam, nyob ntawm seb qhov kev tsim, qib translucency, thiab cov chaw tsim khoom. Siab- zog zirconia feem ntau yog xaiv rau cov molars, bruxism cov neeg mob, implant-txhawb crowns, thiab multi-unit restorations.

Qhov txiaj ntsig loj tshaj plaws yog kev kwv yees nyob rau hauv load.

Ib qho monolithic zirconia molar crown tuaj yeem tswj cov rog uas yuav ua rau lub iav iav ceramic muaj kev pheej hmoo. Hauv kev cog qoob loo, qhov no yuav tshwm sim ntau dua vim tias cov kev cog hniav tsis muaj lub paj hlwb kom nqus tau lub zog zoo li cov hniav ntuj ua.

Niaj hnub nimno siab -translucency thiab multilayer zirconia cov ntaub ntawv tau txhim kho esthetics. Lawv tsis yog tiaj tus lossis opaque li cov laus zirconia tiam. Tseem, thaum qhov siab tshaj plaws anterior translucency yuav tsum tau, lithium disilicate los yog txheej ceramic yuav zoo dua ntuj.

Zirconia kuj xav tau kom tiav. Ib qho tsis zoo polished zirconia crown tuaj yeem ua rau abrasive ntau dua rau kev tawm tsam enamel. Lub qhov dej- polished zirconia crown nrog raug occlusion yog ib qho kev sib txawv heev.

Rau cov chaw kho hniav, zirconia zoo nyob ntawm kev ua zes, milling, sintering kub tswj, shrinkage them, staining, glazing, thiab zaum kawg polishing. Cov khoom muaj zog, tab sis cov txheej txheem tseem txiav txim siab qhov kawg tshwm sim.

Txheej Zirconia Crowns

A txheej zirconia crownsiv zirconia ua lub hauv paus los yog lub hauv paus thiab ntxiv veneering porcelain los txhim kho esthetics. Nws tuaj yeem muab qhov tob thiab enamel ntau dua -zoo li txheej txheej dua li cov zirconia monolithic.

Qhov no ua rau cov txheej zirconia muaj txiaj ntsig hauv qee qhov xwm txheej sab hauv lossis premolar qhov twg tus kws kho mob xav tau lub zog ntau dua li iav ceramic tab sis tseem xav tau lub ntsej muag ntau dua.

Kev lag luam tawm - tawm yog chipping txaus ntshai.

Lub zirconia core tej zaum yuav muaj zog, tab sis cov veneering porcelain tsis muaj zog tshaj cov tub ntxhais. Nyob rau hauv siab - chaw thau khoom, tshwj xeeb tshaj yog nyob rau hauv cov molars, implant crowns, los yog bruxism cov neeg mob, cov porcelain txheej yuav ntis lub sij hawm yog hais tias tus tsim, thickness, los yog occlusion tsis tswj.

Txheej zirconia tsis yog lawm. Nws tsuas yog xav tau qhov qhia tau tseeb.

Yog hais tias cov ntaub ntawv yog ib qho esthetic anterior crown nrog tswj occlusal load, txheej zirconia tuaj yeem ua haujlwm zoo. Yog hais tias cov ntaub ntawv yog ib tug posterior implant molar nrog ib tug hnyav tom, monolithic zirconia feem ntau yog tus tsim muaj kev ruaj ntseg.

Feldspathic Porcelain Crowns

Feldspathic plooj (porcelain).yog ib txwm siv ceramic khoom muaj nuj nqis rau siab esthetics. Nws tuaj yeem tsim cov translucency zoo nkauj thiab cov xim hloov maj mam, tshwj xeeb tshaj yog nyob rau hauv kev kho dua tshiab.

Niaj hnub no, feldspathic plooj (porcelain) feem ntau yog siv rau veneers, txheej, los yog xaiv qis -load anterior esthetic rooj plaub es tsis yog raws li niaj hnub puv - cov khoom siv yas.

Nws qhov kev txwv yog lub zog. Piv nrog lithium disilicate los yog zirconia, feldspathic porcelain yog nkig thiab tsis haum rau siab - load posterior crowns.

Rau qhov xav tau anterior veneer rooj plaub, feldspathic plooj (porcelain) tseem yuav ua tau zoo heev ntawm sab tes xis. Rau ib tug molar crown los yog implant crown, nws yog feem ntau tsis yog lub tswv yim xaiv.

Porcelain-Fused-rau-Hloov Crowns

A porcelain-fused-rau- hlau yasmuaj hlau substructure nrog porcelain ci rau nws. PFM crowns muaj keeb kwm kho mob ntev thiab tseem muaj txiaj ntsig zoo hauv cov xwm txheej xaiv kho dua tshiab.

Lawv qhov zoo yog qhov tseeb: kev txhawb nqa hlau txhim khu kev qha, kev paub dav ntawm cov kws kho hniav, thiab tus nqi tswj tau zoo hauv ntau lub khw. Rau qee qhov teeb meem tom qab, txuas hniav, lossis pob nyiaj siv - qhov xwm txheej ceev, PFM tseem muaj qhov chaw.

Cov kev txwv kuj muaj tseeb.

PFM crowns tsis xa lub teeb zoo li txhua yam -ceramic crowns. Nyob rau tib lub sijhawm, kab tsaus yuav tshwm nyob ze ntawm qhov gingival margin yog tias cov ntaub so ntswg rov qab. Cov porcelain txheej tuaj yeem nti thiab nthuav tawm cov hlau hauv qab. Qee cov neeg mob kuj nyiam cov hlau- rov kho dawb rau kev txhawj xeeb txog kev zoo nkauj lossis kev xav.

PFM tsis yog cov khoom phem. Nws tsuas yog tsis yog thawj qhov kev xaiv rau ntau yam khoom zoo nkauj - tsav tsheb.

Porcelain Crowns vs Zirconia Crowns vs PFM Crowns: Qhov Tseem Ceeb Qhov txawv

Cov kws kho hniav thiab cov chaw kuaj hniav yuav tsum tsis txhob sib piv cov khoom yas los ntawm lub npe ib leeg. Qhov sib piv tiag tiag yog ua raws li kev zoo nkauj, lub zog, kev pheej hmoo chipping, coj tus cwj pwm, kev npaj tsim, thiab kev kwv yees ntev ntev.

Esthetics thiab Translucency
Rau ntuj translucency, lithium disilicate thiab feldspathic plooj (porcelain) feem ntau ua tau zoo dua li cov tsoos zirconia lossis PFM. Lawv tso cai rau kev sib kis ntau dua thiab tuaj yeem sib xyaw ntau dua nrog cov hniav uas nyob ib sab.
Qhov no tseem ceeb tshaj plaws hauv cov xwm txheej yav tom ntej.

Ib lub hauv paus incisor crown yog ib qho nyuaj tshaj plaws hauv kev kho hniav kho hniav. Txawm tias me me tsis sib haum xeeb hauv tus nqi, translucency, lossis qhov zoo nkauj tuaj yeem pom. Nyob rau hauv cov ntaub ntawv no, E.max los yog ib tug ua tib zoo txheej txheej ceramic rov qab feem ntau muab cov kws kho mob ntau chav kom phim cov hniav nyob sib ze.

Zirconia tau txhim kho. High-translucency zirconia thiab multilayer zirconia tuaj yeem saib zoo heev, tshwj xeeb tshaj yog rau cov mob premolars thiab posterior. Tab sis yog hais tias tus neeg mob qhov kev thov yog siab tshaj enamel -zoo li translucency, zirconia tseem yuav tsum tau ceev faj xaiv.

PFM yog qhov tsis muaj zog tshaj plaws hauv pawg no vim tias cov hlau tseem ceeb thaiv lub teeb. Nws tuaj yeem saib tau, tab sis nws tsis tshua muaj qhov sib txawv ntawm qhov tob ntawm lub qhov dej -ua tag nrho -ceramic crown nyob rau hauv thaj tsam esthetic.
 

Lub zog thiab Fracture Resistance
Yog tias lub zog yog qhov tseem ceeb, zirconia feem ntau ua rau cov hniav - cov ntaub ntawv xim xim. Tias yog vim li cas monolithic zirconia feem ntau yog siv rau cov molars, implant crowns, bruxism case, thiab multi-unit choj.

E.max muaj lub zog txaus rau ntau qhov chaw sab nrauv thiab premolar, thiab nws tuaj yeem ua tau zoo thaum kev npaj tsim thiab kev sib raug zoo. Tab sis nws tsis yog cov khoom siv los xaiv qhov muag tsis pom rau txhua qhov hnyav -load tom qab rooj plaub.

PFM lub zog los ntawm cov txheej txheem hlau, tab sis cov porcelain veneering txheej tseem tuaj yeem nti. Qhov no yog ib qho laj thawj ntau lub chaw kuaj mob thiab cov kws kho hniav tam sim no xaiv monolithic zirconia rau cov yas tom qab uas cov txheej txheem zoo nkauj tsis yog qhov yuav tsum tau ua.

Lub crown tsis poob tsuas yog vim cov khoom tsis muaj zog. Nws kuj tuaj yeem ua tsis tau vim tias lub rooj occlusal yog tsim tsis zoo, cov khoom sib txuas yog nyias dhau, cov thickness ceramic tsis txaus, lossis cov yas tau hloov kho hnyav lub rooj zaum yam tsis tau rov ua dua.
 

Chiping Risk, Hnav, thiab Ntev -Lub Sij Hawm Predictability
Cov ntaub ntawv txheej feem ntau saib zoo dua, tab sis lawv qhia txog kev sib txuas ntxiv thiab txheej txheej veneering tsis muaj zog. Qhov no yog vim li cas txheej zirconia thiab PFM crowns tuaj yeem muaj teeb meem chipping thaum siv hauv siab -load case.

Monolithic zirconia txo qhov teeb meem veneering porcelain chipping vim hais tias cov yas yog ib yam khoom siv. Qhov ntawd tsis tau txhais hais tias nws tuaj yeem xa cov ntxhib lossis dhau -contoured. Nto tiav tseem tseem ceeb.

Tom qab monolithic zirconia crown yuav tsum tau tsim los nrog kev ua haujlwm zoo ntawm lub cev, kev sib raug zoo occlusal, thiab polished nto. Rau tus neeg mob bruxism, tus neeg saib xyuas hmo ntuj tseem tuaj yeem pom zoo.

Ntev- lub sij hawm lub kaus mom kev ua tau zoo yog los ntawm kev sib xyaw ntawm cov khoom siv, kev npaj, kev sim tsim, kev kho mob cementation lossis kev sib txuas, occlusion, thiab tus neeg mob tus cwj pwm.

Yuav ua li cas xaiv cov khoom siv yas zoo tshaj plaws rau txhua qhov chaw kho mob

Txoj kev xaiv cov khoom siv yas zoo pib nrog rooj plaub, tsis yog cov ntawv teev npe.

Tib tus neeg mob yuav xav tau cov khoom sib txawv ntawm qhov sib txawv ntawm lub qhov ncauj. Ib qho maxillary lateral incisor thiab mandibular ob molar yuav tsum tsis txhob raug kho raws li qhov teeb meem tib yam.

Lub Rooj Sab Laj

Rau anterior crowns, lub ntsiab kev txhawj xeeb yog ntxoov ntxoo, translucency, tus nqi, nto zoo nkauj, incisal ntug nyhuv, gingival kev koom ua ke, thiab symmetry nrog cov hniav nyob ib sab.

E.max feem ntau nyiam rau anterior ib leeg crowns vim nws muab qhov sib npaug ntawm kev zoo nkauj thiab lub zog. Nws ua haujlwm zoo hauv cov xwm txheej xws li:

• Maxillary incisors nrog siab esthetic xav tau
• Premolars pom nyob rau hauv txoj kab luag nyav
• Ib leeg -unit restorations xav tau ntuj translucency
• Cov neeg mob uas xav tau hlau- rov kho dawb
• Cov rooj plaub uas cov nplaum nplaum tuaj yeem tswj tau

Txheej ceramic lossis txheej zirconia kuj tseem ua haujlwm thaum xav tau ntau tus cwj pwm.

Tab sis kev xaiv anterior tsis yog ib txwm yooj yim. Yog hais tias lub stump ntxoov ntxoo yog tsaus, ib tug heev translucent crown yuav cia qhov tsaus ntuj los ntawm. Nyob rau hauv tas li ntawd, lub chaw soj nstuam yuav pom zoo kom qis dua -translucency ingot, ib tug opaque core, los yog ib tug txawv ceramic tswv yim.

Ib tug zoo nkauj anterior crown pib ua ntej lub crown yog ua. Duab ntxoov ntxoo, stump ntxoov ntxoo, npaj cov duab, thiab meej esthetic kev cia siab ua rau cov ntaub ntawv ntau kwv yees.

Posterior Crowns

Posterior crowns ntsib qhov sib txawv. Molars tau txais ntau dua occlusal rog, tsis tshua pom kev zoo nkauj, thiab muaj kev ntxhov siab ntau dua.

Rau cov molars, monolithic zirconia feem ntau yog qhov kev xaiv zoo tshaj plaws. Nws muaj kev puas siab puas ntsws, txo qhov kev pheej hmoo ntawm chipping, thiab zoo ntev - lub sij hawm ruaj khov thaum polished thiab kho kom zoo.

Premolars zaum ntawm thaj chaw zoo nkauj thiab ua haujlwm. Rau thawj premolar nyob rau hauv ib tug pom luag kab, E.max tej zaum yuav haum yog hais tias occlusal load yog nruab nrab. Rau qhov thib ob premolar nyob rau hauv hnyav - tom tus neeg mob, zirconia yuav muaj kev nyab xeeb dua.

Posterior crowns yuav tsum tsis txhob xaiv los ntawm translucency ib leeg. Lub crown uas zoo li me ntsis ntau dua ntuj tab sis tawg nyob rau hauv load tsis yog ib tug zoo dua kho dua.

Bruxism lossis Heavy Occlusion Cases

Bruxism hloov cov ntaub ntawv txiav txim siab.

Tus neeg mob uas grinds los yog clenches tuaj yeem overload lub kaus mom dua, tshwj xeeb tshaj yog thaum hmo ntuj. Nyob rau hauv cov ntaub ntawv no, txheej txheej plooj (porcelain systems) muaj kev cuam tshuam ntau dua vim tias txheej txheej veneering tuaj yeem nti.

Monolithic zirconia feem ntau yog cov khoom siv ntau tshaj plaws rau bruxism lossis hnyav occlusion mob. Nws muaj zog, nws zam cov txheej plooj (porcelain) nyias nyias, thiab nws tuaj yeem daws qhov kev ntxhov siab zoo dua li ntau cov iav ceramics.

Txawm li cas los xij, zirconia tsis yog khawv koob. Cov ntaub ntawv tseem xav tau:

• Tsim nyog cov khoom thickness
• Smooth occlusal anatomy
• Tswj cov ntsiab lus sib cuag
• Ua tib zoo polishing tom qab kho
• Kev sib tham tiag tiag txog kev tiv thaiv hmo ntuj

Muaj ntau qhov kev ua tsis tiav ntawm cov khoom siv tsis zoo yog qhov teeb meem tsim occlusal.

Implant-Txhawb Crowns thiab Multi-Unit Restorations

Implant crowns yuav tsum tau ceev faj txog qib sib txawv vim hais tias cov implants tsis nqus load zoo li cov hniav ntuj. Lub zog nkag mus rau hauv kev kho dua tshiab, lub abutment, lub hau ntswj, thiab kev cog lus cog.

Rau kev cog qoob loo tom qab cog qoob loo, zirconia- feem ntau nyiam kev kho dua tshiab. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau cov ntsia hlau- khaws cov kaus mom, Ti- kev txhim kho hauv paus, thiab cov xwm txheej uas yuav tsum tau tswj lub zog thiab qhov tshwm sim.

Rau cov mob implants, lub chaw kuaj mob yuav tsum xav txog:

• Screw nkag channel txoj hauj lwm
• Ti- qhov chaw sib txuas
• Kev tshwm sim profile
• Cov nqaij mos contour
• Occlusal tiv tauj tsim
• Tawm tsam kev kho hniav
• Passive haum rau ntau-unit restorations

Rau cov txuas hniav thiab ntau- kev kho vaj tse, zirconia feem ntau txhim khu kev qha tshaj lithium disilicate vim qhov sib txuas lub zog tseem ceeb. Connector qhov ntev, lub moj khaum tsim, thiab sintering tswj tsis yog cov ntsiab lus me me. Lawv txiav txim siab seb qhov xwm txheej zoo li cas los yog dhau los ua qhov rov ua dua tshiab.

Yog vim li cas Lab Quality Matters ntau npaum li cov khoom siv yas

Xaiv cov khoom pib rooj plaub. Laboratory execution txiav txim seb qhov kev xaiv ntawd puas.

Ob lub crowns ua los ntawm tib lub zirconia disc tuaj yeem ua qhov sib txawv yog tias ib tus neeg muaj cov npoo tsis zoo, tsis muaj zog tiv tauj, ntxhib occlusion, lossis tsis raug ntxoov ntxoo. Cov khoom npe ib leeg tsis tiv thaiv rooj plaub.

Digital Design, Margin Fit, thiab kev sib cuag
Cov yas yas tsim muaj feem cuam tshuam rau cov npoo haum, cov neeg sib ze sib ze, occlusion, tshwm sim profile, thiab lub rooj zaum hloov lub sij hawm.

Rau cov kws kho hniav txawv teb chaws thiab chaw kuaj hniav, qhov no tseem ceeb dua. Yog hais tias lub crown xav tau kev hloov loj tom qab yug me nyuam, tus nqi tsis yog qhov remake xwb. Nws tseem yog lub rooj zaum lub sijhawm, tus neeg mob tsis txaus siab, kev xa khoom qeeb, thiab kev sib txuas lus poob.

Ib lub chaw kuaj hniav kho hniav uas txhim khu kev qha yuav tsum muaj peev xwm ua cov ntaub ntawv STL, cov ntaub ntawv hauv lub cev, thiab cov kev xav ib txwm muaj nrog cov qauv zoo ib yam. Tus qauv tsim yuav tsum hwm qhov kev npaj geometry, qhov tsawg kawg nkaus thickness, npoo clarity, thiab tus kws kho hniav qhov nyiam kev tiv tauj lub zog.

Tus nqi tsev qis tsis pab yog tias txhua rooj plaub xav tau kev kho lub rooj zaum.

Khoom siv: Sintering, Crystallization, thiab Polishing
Zirconia yog milled nyob rau hauv ib tug loj pre{0}}sintered lub xeev thiab shrinks thaum sintering. Yog tias tsis muaj sintering los yog kev tuav cov khoom tsis raug tswj, qhov kawg haum, ntxoov ntxoo, thiab lub zog tuaj yeem cuam tshuam.

E.max ua raws li kev ua haujlwm sib txawv. Nias los yog milled lithium disilicate yuav tsum tau crystallization thiab tiav. Qhov ntxoov ntxoo, translucency, thiab qhov kawg saum npoo zoo nyob ntawm txoj kev ua.

Polishing yog lwm qhov chaw uas tsis tuaj yeem tsis quav ntsej. Lub zirconia crown uas tsuas yog glazed tab sis tsis zoo polished tuaj yeem poob nws qhov smoothness tom qab occlusal hloov. Hauv cov xwm txheej tom qab, qhov kawg polishing feem ntau txhim khu kev qha ntau dua li glaze ib leeg rau kev tuav lub ntsej muag du.

Cov no tsis yog cov lus qhia kom zoo nkauj. Lawv cuam tshuam rau kev tiv thaiv hniav, kev nplij siab ntawm tus neeg mob, thiab kev ruaj ntseg ntev ntev.

Qhov sib txawv ntawm qhov sib txawv, xim, glazing, thiab occlusion
Kev sib xyaw ua ke ntawm cov ntoo hauv qab tsis yog tsuas yog xaiv A2 lossis B1. Cov hniav ntuj muaj nuj nqis, chroma, translucency, halo effect, cervical warmth, thiab deg zoo nkauj.

Rau siab -cov ntaub ntawv zoo nkauj, lub chaw kuaj mob xav tau cov duab nyob rau hauv lub teeb pom kev zoo, cov duab ntxoov ntxoo hauv daim duab, cov ntaub ntawv qhia txog qhov ntxoov ntxoo, thiab cov lus qhia meej txog tus neeg mob qhov kev cia siab.

Staining thiab glazing tuaj yeem txhim kho tus cwj pwm, tab sis overdone stain ua rau cov yas zoo li khoom siv. Hauv qab - cov cim crowns zoo li tiaj. Kev ua haujlwm zoo feem ntau yog tswj hwm, tsis ua haujlwm.

Occlusion thiab kev sib cuag yog ib yam tseem ceeb. Lub kaus mom zoo nkauj zoo nkauj tab sis xav tias siab, ntxiab zaub mov, lossis muaj kev sib cuag tsis muaj zog yuav ua tsis tau qhov kev kuaj mob sai.

Rau outsourced kho hniav cov ntaub ntawv, qhov zoo tshaj plaws labs txo remakes los ntawm kev nug txog cov ntaub ntawv raug ua ntej ntau lawm pib.

Tswv yim Crown Material Selection Checklist for Dentalists and Dental Labs

Ua ntej xaiv cov khoom siv porcelain, xyuas cov xwm txheej ua ntej.

Siv daim ntawv teev npe no ua ib qho kev qhia siv:

• Puas yog lub kaus mom rau tus hniav anterior, premolar, lossis molar?
• Cov ntaub ntawv hniav puas- txhawb lossis cog- puas tau?
• Puas yog ib lub crown, choj, los yog tag nrho -arch restoration?
• Tus neeg mob puas muaj bruxism lossis hnyav occlusion?
• Yog siab translucency yuav tsum tau?
• Puas yog qhov chaw ntxoov ntxoo zoo li qub, tsaus nti, lossis hlau ncej- txaus siab?
• Puas muaj occlusal clearance txaus?
• Puas yog cov ntsia hlau kho dua tshiab - khaws cia lossis cement- khaws cia?
• Puas muaj duab ntxoov ntxoo thiab npaj cov duab?
• Puas muaj cov ntaub ntawv tom los yog daim ntawv occlusal?
• Puas yog cov ntaub ntawv STL, kev tshuaj ntsuam hauv lub cev, lossis cov kev xav ib txwm raug xa?
• Dab tsi tseem ceeb tshaj plaws: kev zoo nkauj, lub zog, kev tswj tus nqi, kev xa khoom sib xws, lossis kev txo qis dua?

Rau anterior esthetic crowns, lub lab xav tau cov ntaub ntawv pom ntau dua. Rau tom qab zirconia crowns, lub lab xav tau cov ntaub ntawv muaj zog occlusal. Rau implant crowns, lub lab xav tau cov ntaub ntawv cog lus cog, Ti-cov ntaub ntawv hauv paus, thiab cov ntsia hlau- khaws cia lossis cement- khaws cia nyiam tsim.

Qhov zoo dua cov ntaub ntawv xov xwm, qhov zoo dua cov ntaub ntawv pom zoo.

Csuav nrog

Qhov zoo tshaj plaws porcelain crown tsis yog cov khoom siv tshiab tshaj plaws los yog qhov kev xaiv kim tshaj plaws. Nws yog cov khoom siv yas uas haum rau qhov chaw kho mob.

Rau anterior esthetics, E.max los yog ua tib zoo txheej ceramic feem ntau muab qhov pom kev zoo tshaj plaws. Rau cov molars, bruxism mob, posterior implants, thiab multi-unit restorations, monolithic zirconia feem ntau txhim khu kev qha. Rau cov peev nyiaj uas tau xaiv- cov teeb meem tseem ceeb lossis ib txwm muaj kev kho dua tshiab, PFM tseem tuaj yeem ua haujlwm, txawm hais tias nws tsis zoo rau qhov siab - thaj chaw zoo nkauj. Feldspathic porcelain tseem muaj txiaj ntsig hauv kev xaiv qis -load esthetic daim ntaub ntawv, tab sis nws tsis yog ib txwm ua tom qab tag nrho - cov tshuaj pleev xim.

Cov khoom pib rooj plaub. Lab ua tiav qhov kev txiav txim.

ADS Dental Laboratorytxhawb nqa cov kws kho hniav txawv teb chaws thiab cov chaw kuaj hniav nrog kev cai yas kho, cov yas yas tsim, STL cov ntaub ntawv ua, cov kev xav zoo ib yam, kev sib txuas lus ntxoov ntxoo, thiab ruaj khov outsourcing ntau lawm. Yog tias koj xav tau kev pab xaiv cov khoom tsim nyog rau rooj plaub, xa cov ntaub ntawv rau peb thiab peb pab neeg tuaj yeem tshuaj xyuas cov kev xav tau ntawm kev kho dua tshiab nrog koj.

FAQ

1. Dab tsi yog cov khoom siv plooj (porcelain crown) zoo tshaj plaws?
Tsis muaj ib qho khoom zoo tshaj plaws porcelain crown rau txhua rooj plaub. Rau anterior crowns uas esthetics tseem ceeb tshaj plaws, E.max los yog lithium disilicate feem ntau nyiam. Rau cov yas tom qab, hnyav occlusion, cov neeg mob bruxism, thiab cog -txhawb kev kho, monolithic zirconia feem ntau yog qhov kev xaiv ntau dua.
Qhov kev xaiv zoo tshaj plaws yog nyob ntawm txoj hauj lwm ntawm cov hniav, tom qab quab yuam, kev xav tau zoo, kev npaj tsim, thiab kev tsim khoom zoo.
 

2. Puas yog E.max crowns zoo dua zirconia crowns?
E.max crowns tsis tsuas yog zoo dua li zirconia crowns. Lawv zoo dua rau qee kis.
E.max muaj cov translucency zoo heev thiab zoo nkauj zoo nkauj, yog li nws feem ntau xaiv rau cov hniav pem hauv ntej, premolars, veneers, thiab siab -smile- kab mob. Zirconia muaj zog dua thiab zoo dua rau cov molars, implant crowns, txuas hniav, thiab cov neeg mob uas hnyav tom. Hauv kev xaiv cov yas yas, E.max feem ntau yog qhov kev xaiv zoo nkauj, thaum zirconia feem ntau yog lub zog - tsav xaiv.
 

3. Yam khoom plooj (porcelain crown) zoo tshaj rau cov hniav pem hauv ntej?
Rau cov hniav pem hauv ntej, E.max los yog ua tib zoo txheej ceramic crowns feem ntau yog qhov kev xaiv zoo tshaj plaws vim tias lawv tuaj yeem tsim dua tshiab translucency, ntxoov ntxoo qhov tob, thiab cov teebmeem incisal. Cov ntsiab lus no tseem ceeb hauv cov rooj plaub sab nrauv, tshwj xeeb tshaj yog thaum sib piv ib lub kaus mom rau cov hniav uas nyob ib sab.
Cov txheej zirconia kuj tseem siv tau thaum xav tau ntau zog, tab sis qhov kev xaiv zaum kawg yuav tsum xav txog qhov ntxoov ntxoo, luag ntxhi, cov ntaub so ntswg gingival, thiab tus neeg mob qhov kev cia siab zoo nkauj.
 

4. Cov khoom siv yas twg yog qhov zoo tshaj plaws rau cov molars?
Rau cov molars, monolithic zirconia feem ntau yog cov hniav zoo tshaj plaws - cov khoom siv xim yas. Molars tau txais kev zom zaub mov ntau dua, thiab zirconia muaj zog tawg tsis kam nrog kev pheej hmoo qis dua piv nrog cov khoom siv plooj (porcelain) txheej.
E.max tuaj yeem ua haujlwm nyob rau hauv cov xwm txheej tom qab xaiv, tshwj xeeb tshaj yog premolars lossis nruab nrab- lub sijhawm thauj khoom, tab sis nws yuav tsum tau siv ua tib zoo siv hauv hnyav -molar mob. Rau cov neeg mob bruxism, monolithic zirconia feem ntau yog qhov kev xaiv zoo dua.
 

5. Lub chaw kuaj hniav puas cuam tshuam rau cov plooj (porcelain crown) zoo li cas?
Lub chaw kuaj hniav cuam tshuam yuav luag txhua feem ntawm cov plooj (porcelain crown) zoo: cov npoo haum, kev sib cuag, kev sib tsoo, qhov sib txuam ntxoov ntxoo, staining, glazing, polishing, thiab remake tswj. Txawm hais tias tus kws kho hniav xaiv cov khoom tsim nyog, kev ua haujlwm tsis zoo tuaj yeem ua rau lub rooj zaum hloov pauv, qhov ntxoov ntxoo tsis sib haum, kev sib cuag tsis muaj zog, lossis kev kho kom zoo dua qub.
Rau cov rooj plaub sab nraud, cov ntaub ntawv STL raug, kev xav, duab ntxoov ntxoo, cov ntaub ntawv tom, thiab cov ntaub ntawv qhia meej pab lub chaw kuaj mob xaiv cov khoom tsim nyog thiab tsim kom muaj kev kho kom zoo dua qub.