Nws tsis yog ib txwm ua tau kom txuag tau tus hniav ntawm depulping thiab teeb tsa loj, uas yog vim li cas ntau tus kws kho mob hais kom muab lub kaus mom. Feem ntau, cov neeg mob ntshai vim lawv tsis tshua nkag siab tias cov khoom zoo li no yog dab tsi.
Artificial crown - lub kaus mom uas npog tag nrho cov yas ntawm cov hniav. Lawv txawv heev thiab tsis yog ib txwm siv los kho cov duab thiab kev ua haujlwm ntawm cov hniav. Tshwj xeeb tshaj yog, orthodontic crowns yog siv los kho cov cuab yeej kho hniav.
Yuav ua li cas yog cov kaus mom
Ib qho khoom siv yas yog siv yog cov hniav puas, tawg, tawg, lossis siv tsis tau. Nrog kev pab los ntawm cov cuab yeej zoo li no, koj tuaj yeem rov ua haujlwm zom zaub mov kom zoo, tau txais kev zoo nkauj ntawm kev luag nyav, thiab tseem tiv thaiv kev loj hlob ntawm malocclusion.
Yog tias tsim nyog rau nruab ib lub yas yas, koj yuav tsum txiav txim siab seb nws puas yuav pab kho cov hniav lossis ua haujlwmnyob rau hauv daim ntawv ntawm kev txhawb nqa rau tus choj ntsia. Qhov xwm ntawm kev puas tsuaj thiab cov yam ntxwv ntawm cov hniav yog qhov tseem ceeb.
Yuav luag txhua hom yas yog kho rau cov hniav uas siv qee yam khoom siv, tsim ib qho qauv. Muaj kev xaiv loj ntawm cov khoom zoo sib xws ntawm cov khoom siv, kev ua haujlwm thiab tus nqi.
hom twg
Muaj ntau yam sib txawv ntawm cov yas yas. Nyob ntawm lub hom phiaj ntawm cov hom prostheses, lawv txhawb nqa thiab kho dua tshiab. Cov qauv kev txhawb nqa yog siv rau kev kho tom ntej ntawm tus choj. Restorative structures yuav tsum tau tshem tawm cov tawv nqaij uas twb muaj lawm. Nyob ntawm cov khoom siv, cov yas yas tuaj yeem yog:
- metal;
- non-metallic;
- combined.
Cov khoom tsis yog hlau yog ua los ntawm cov yas lossis cov plooj (porcelain). Alloys yog siv rau hlau, thiab sib xyaw ua ke yog ua los ntawm hlau, uas yog lined nrog porcelain los yog yas.
Hlau crowns muab faib ua stamped thiab cam khwb cia. Xws li kev faib tawm yog nqa mus rau hauv tus account cov txheej txheem tsim khoom. Cov khoom cam khwb cia yog tsim los ntawm casting los ntawm cov hlau, raws li cov pwm ua ntej. stamped yog tau los ntawm stamping los ntawm tshwj xeeb discs.
Nyob ntawm cov khoom nyob ntawm thaj chaw them nyiaj
Raws li kev faib cov yas yas los ntawm thaj tsam ntawm cov hniav npog, muaj tag nrho thiab ib nrab. Hom nrov tshaj plaws yog kev tsim tag nrho. Kev xaiv cov khoom lag luam feem ntau nyob ntawm cov pab pawgcov hniav yuav tsum tau crowned thiab lawv puas phem npaum li cas.
Stump crown yog tsim los nruab rau ntawm tus hniav yuav luag tag. Qhov kev tsim no yog tus cwj pwm los ntawm qhov tseeb tias nws yog disassembled thiab reassembled. Nws tuaj yeem ua los ntawm ntau yam khoom siv los tiv thaiv kev ua xua. Cov retainer muab cov ncej, cov hniav cuav thiab cov yas nws tus kheej.
Telescopic yas muab lub hauv paus thiab sab nrauv. Tus qauv tsim kho cov khoom siv uas tshem tau thiab tsis tshem tau, nrog rau qee yam khoom siv maxillofacial.
Ib nrab cov kaus mom yog tsim los hloov cov ntu ntawm cov hniav. Nws yog tsim los npog thaj chaw cuam tshuam los ntawm caries, thiab tseem siv tau rau hauv cov ntaub ntawv ntawm pathological abrasion ntawm cov hniav. Qee zaum, nws yog siv los kho ntau yam pathologies. Ib tug semi-crown npog tsuas yog ib nrab ntawm cov hniav thiab yog ntsia rau pem hauv ntej nto ntawm incisors thiab pem hauv ntej hniav. Caries nyob rau hauv cov khoom siv dag zog tsis pom zoo thiab qee qhov qeeb nws txoj kev loj hlob.
Veneer crowns, uas yog ua los ntawm yas los yog porcelain, yog nrov heev. Qee zaum hlau-dawb ceramics yog siv los ua veneers. Tsis zoo li tag nrho lwm cov qauv tsim, lawv yog qhov zoo nkauj thiab ntxim nyiam dua.
Nyob ntawm hom phiaj
Cov kws kho mob paub qhov txawv ntawm ntau hom kev tsim cov yas raws li lawv lub hom phiaj. Yog hais tias ib feem ntawm cov hniav ploj lawm, ces ib tug restorativetsim. Nws lub hom phiaj tseem ceeb yog rov qab qhov xav tau anatomical zoo ntawm tus hniav. Yog hais tias feem ntau ntawm cov hniav ploj nyob rau hauv lub qhov ncauj kab noj hniav, ces qhov no yog compensated nrog kev pab los ntawm prostheses. Lawv xav tau kev txhawb nqa ntxiv, uas yog lub kaus mom.
Tshem tawm cov hniav cuav thiab qee yam ntawm cov khoom siv maxillofacial xav tau contour crowns. Lub degree ntawm loosening ntawm cov hniav ntawm ntau theem ntawm cov kab mob yuav txawv heev. Ib txoj hauv kev kho mob yog kev siv cov splinting crowns. Lawv pab tshem tawm ib feem ntawm lub load los ntawm cov hniav nyob rau sab ntawm pathology, thiab ua rau kom cov txheej txheem ntawm lawv poob ntxov ntxov.
Tshwj xeeb kho cov kaus mom muaj txiaj ntsig zoo. Lawv tso cai rau koj los ua kom cov txheej txheem ntawm kev tsim cov dentin ntuj. Yog li ntawd, qhov nyuaj ntawm cov hniav rov qab. Qhov no tsis tas yuav tshem tawm cov tawv nqaij.
Txhawm rau txo lossis tiv thaiv kab mob ntawm cov hniav, prophylactic crowns raug teeb tsa. Lawv pab me ntsis hloov qhov ntev ntawm cov hniav, nrog rau lawv cov attractiveness.
Nyob rau hauv cov txheej txheem ntawm kev npaj cov hniav, lub pulp raug kev txom nyem heev, raws li ntau yam irritants tshwm rau nws. Kev npaj yog ib theem npaj rau kev txhim kho cov khoom siv mus tas li. Cov pos hniav cuav yog siv los tiv thaiv cov tawv nqaij. Lawv pab muab kev tiv thaiv zoo dua.
Ntau yam los ntawm cov khoom
Nyob ntawm kev thovcov khoom siv rau cov yas yas, lawv muab faib ua hlau-sib xyaw, hlau-dawb thiab ua ke. Txhua-hlau yog subdivided, nyob rau hauv lem, mus rau hauv stamped thiab solid-casting. Hlau stamped hom yog cov thawj zaug uas tau siv los tiv thaiv cov hniav ntuj. Txawm li cas los xij, tam sim no lawv tsis tshua siv, vim tias lawv muaj ntau qhov tsis zoo, cov hauv qab no yuav tsum tau qhia:
- tshuav cov zaub mov nkag mus rau hauv cov pos hniav vim qhov xoob ntawm lub kaus mom;
- short life;
- Nyob zoo ib tsoom phooj ywg.
Ib-thooj cam khwb cia tuaj yeem muaj ntau hom, tshwj xeeb:
- tsis muaj sputtering;
- sprayed;
- kab nrog yas lossis ceramic.
Cov khoom pov tseg yog tsim los ntawm kev nrum los ntawm cov hlau ntawm cov pob qij txha. Tsis tas li ntawd, lawv tej zaum yuav muaj golden plating. Qhov zoo ntawm cov khoom zoo li no suav nrog kev hnav siab tshaj plaws, kev ua haujlwm ntev, lub zog. Nws yog ib nqi sau cia hais tias lawv yog devoid ntawm minuses ntawm stamped lug, txawm li cas los, lawv tsis muaj ib tug zoo nkauj tsos.
Rau qhov tsim cov yas yas, ib txoj kev sib xyaw kuj siv tau. Lawv yog ua los ntawm cov hlau los ntawm casting, tab sis lawv muaj ib tug tseem ceeb kom zoo dua, txij li thaum lawv pem hauv ntej nto yog them nrog ib tug txheej ntawm ceramic los yog dawb yas. Cov ntaub ntawv no muab cov yas zoo nkauj zoo nkauj zoo nkauj.
Ua tau zoo cermets yog xyaumindistinguishable los ntawm tej yam ntuj tso hniav. Lub durability ntawm cov khoom zoo li no kuj zoo heev. Nws tuaj yeem ua tau siv lub xub pwg nyom. Nws yog ib qho tshwj xeeb ceramic uas hloov cov hlau nyob hauv cheeb tsam ledge, uas lav lub zog haum rau cov hniav. Lub crown yog ntau aesthetic. Txawm hais tias cov pos hniav hloov nws qhov contour me ntsis, ces qhov no yuav tsis cuam tshuam rau kev zoo nkauj txhua.
Prostheses ua los ntawm cov hlau tsis muaj ceramics yog cov qauv niaj hnub tshaj plaws thiab muab faib ua porcelain thiab zirconium. Porcelain cov qauv yog tsim los ntawm kev kub siab thiab siab los ntawm kev txhaj tshuaj molding. Cov thev naus laus zis no ua rau nws muaj peev xwm muab cov ceramics lub zog siab tshaj plaws, yog li cov yas no tsis xav tau kev txhawb nqa hlau thav ntawv txhua.
Raws li lawv qhov zoo nkauj zoo nkauj, pressed ceramics yog superior rau cermets, thiab lawv kuj ruaj khov dua. Qhov tsis zoo suav nrog qhov ua tau ntawm kev tsim khoom siv ib leeg nkaus xwb thiab lawv cov nqi siab.
Zirconium crowns yog tsim los ntawm cov ntaub ntawv niaj hnub tshaj plaws. Lawv muaj ib tug ruaj khov thav duab nyob rau hauv tej yam ntuj tso los yog dawb. Cov khoom zoo sib xws yog tsim los ntawm zirconium dioxide, thiab txheej txheej yog ua los ntawm sintered porcelain. Hom thav duab no yuav luag zoo li cov hlau, txawm li cas los xij, nws yog tus cwj pwm los ntawm kev sib kis ntawm lub teeb, uas ua rau nws muaj peev xwm coj tus duab ntxoov ntxoo ntawm koj tus kheej cov hniav kom raug raws li qhov ua tau. Lawv yog tsim los ntawm lub tshuab tsis siv neeg.technology tshwj xeeb.
Zirconium cov qauv yog tus cwj pwm los ntawm qhov tseeb tshaj plaws ntawm kev haum rau cov hniav uas nyob ib sab. Qhov tsuas drawback ntawm xws designs yog tus nqi siab.
Qee zaum, siv cov yas yas ib ntus. Cov khoom zoo li no yuav tsum tau tiv thaiv cov hniav uas kho los ntawm cov kab mob thaum lub sij hawm ua prosthesis mus tas li. Tom qab sib tsoo cov hniav thiab depulping tus kwj dej, qhov kev hem thawj ntawm kev kis kab mob yog siab heev, yog li yuav tsum tau nruab ib lub qauv ib ntus. Ntxiv nrog rau lub luag haujlwm tseem ceeb, nws tseem tso cai rau koj kom tsis txhob muaj qhov tsis xis nyob thaum noj mov thiab tswj kom zoo nkauj ntawm lub qhov ncauj kab noj hniav.
Yas kuj siv los ua cov hniav hniav. Txawm li cas los xij, nws muaj ob peb qhov tsis zoo, yog li cov qauv zoo li no tsis tshua siv. Yeej, lawv cov kev zoo nkauj zoo nkauj yog qhov zoo heev, txawm li cas los xij, tom qab 2-3 xyoos, cov xim tsaus nti tshwm rau saum npoo. Tsis tas li ntawd, nws tsim nyog sau cia tias cov khoom zoo li no muaj qhov zoo ntawm kev nyiam huv.
Tam sim no muaj cov ntaub ntawv tshiab ua los ntawm photopolymers. Nws yog tsim nyog sau cia tias lub zog ntawm cov yas yog tsawg, thiab koj kuj yuav tsum tau zom koj cov hniav kom cov yas tsis tawg. Thaum sib cuag nrog cov pos hniav, cov yas yas tuaj yeem ua rau mob thiab tsim cov rim tsaus nti ntawm cov pos hniav.
Type by application time
Muaj ntau yam khoom cuav thiab lawv hom. Lawv qhov kev faib tawm feem ntau nyob ntawm lub sijhawm thov. Nyob rau hauv xws lirooj plaub, cov qauv ib ntus thiab ruaj khov yog qhov txawv. Lawv raug xaiv nyob ntawm qhov teeb meem yuav daws tau. Cov yas ib ntus yog tsim los daws cov teeb meem xws li:
- hloov tom qhov siab;
- tiv thaiv qhov muag ntawm tus hniav;
- kho cov cuab yeej tshwj xeeb.
Cov khoom lag luam zoo li no tau teeb tsa rau lub sijhawm luv luv, uas yog, kom txog rau thaum kev teeb tsa ntawm cov qauv ruaj khov, thiab tom qab ntawd lawv raug tshem tawm. Kev xaiv ntawm cov khoom zoo li no yog qhov dav heev thiab nyob ntawm tus yam ntxwv ntawm cov hniav, uas muaj qee qhov chaw. Rau cov hniav anterior, PE lossis polycarbonate cov khoom tsim nyog. Rau cov hniav zom, cov yas ua los ntawm cov khoom siv kho mob tshwj xeeb yog siv. Cov qauv ib ntus raug ntsia rau ntawm tus neeg kho tshwj xeeb thiab tuaj yeem tshem tau yooj yim thaum xav tau.
Cov yas ruaj khov tuaj yeem muaj ntau hom, uas txawv ntawm qhov zoo thiab tus nqi. Cov khoom siv feem ntau yog yas, composites, ceramics. Piv txwv li, cov khoom siv ceramic yog tsim rau cov neeg ua xua. Lawv txawv ntawm qhov lawv tsis ua rau cov pos hniav khaus thiab zoo li ntuj tsim tau.
Rau cov khoom siv hlau, steel, cob alt, kub, chromium yog siv. Cov khoom zoo li no yog tus cwj pwm los ntawm qhov tseeb tias lawv sib xyaw ua kom zoo nkauj, durability thiab tus nqi pheej yig. Txhawm rau ua kom koj cov hniav zoo li qub, nws yog qhov zoo tshaj plaws los xaiv cov khoom siv kub.
Yuav ua li cas xaiv qhov zoo
Yog tias muaj kev taw qhia rau kev teeb tsaxws li cov qauv, nws yog ib qho tsim nyog yuav tau coj mus rau hauv tus account qhov yuav tsum tau rau cov khoom siv dag zog. Nws raug nquahu kom nruab microprostheses rau ntawm cov hniav pem hauv ntej, uas muaj qhov zoo nkauj zoo nkauj heev. Cov no suav nrog cov plooj (porcelain) lossis ceramic-hlau prostheses.
Yog tias koj xav tau nruab cov yas ntawm cov hniav zom, nws yog qhov zoo tshaj los xaiv cov qauv hlau cam. Lawv muaj tus nqi pheej yig, vim tias lawv cov khoom zoo nkauj tsis siab txaus. Tab sis cov qauv tsim no muaj lub neej ua haujlwm ntev dua.
Yog tias koj xav kom txhua tus hniav zom kom zoo li ntuj tsim tau, ces koj tuaj yeem siv cov qauv ceramic-hlau. Cov khoom lined nrog ceramic pawg muaj qhov zoo nkauj zoo nkauj. Tsis tas li ntawd, nws tsim nyog sau cia tias lawv muaj qib siab ntawm kev ua haujlwm ntev.
Nws yog ib qho tsim nyog sau cia tias nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account qhov yuav tsum tau ua rau cov khoom siv dag zog, vim nws yog ib qho tseem ceeb kom saib xyuas kom zoo kom lawv nyob tau ntev. Yog hais tias ib hom ceramic yog ntsia, ces cov tshuaj txhuam hniav, txhuam thiab txhuam yuav txaus. Koj tseem tuaj yeem yuav cov kais dej tshwj xeeb, uas yog tus cwj pwm los ntawm qhov tseeb tias lub dav hlau dej tau muab los ntawm lub taub dej tshwj xeeb.
Indications rau installation
Prosthetics ntawm cov hniav nrog cov yas yas yog dav siv, tshwj xeeb tshaj yog vim muaj ntau yam khoom tshiab thiab niaj hnub tau tshwm sim tsis ntev los no. Txawm li cas los xij, nws tseem ceeb heev uas yuav tau xaiv tus kws kho hniav uas yogyuav pab koj txiav txim siab seb cov qauv twg yog qhov zoo tshaj plaws raws li txhua qhov kev xav tau.
Nws tsim nyog sau cia tias cov yas tsis tau teeb tsa raws li qhov kev thov ntawm tus neeg mob, vim tias yuav tsum muaj qee yam qhia rau qhov no. Feem ntau cov teeb meem kho hniav uas twb muaj lawm tuaj yeem kho tau yooj yim nrog kev txhaws lossis veneers. Ntawm cov lus qhia tseem ceeb rau cov yas yas, nws yog qhov yuav tsum tau ua kom pom cov hauv qab no:
- xav tau kho cov khoom siv orthopedic thiab maxillofacial;
- kab mob ntawm cov nqaij tawv tawv;
- tsis muaj peev xwm rov qab kho cov phab ntsa hniav nrog cov khoom tsim kho;
- chewing dysfunction;
- kev tsis sib haum xeeb hauv cov hniav;
- muaj zog abrasion ntawm enamel;
- xav kom qhov siab ntawm qhov qis qis;
- kev puas tsuaj ntawm lub kaus mom ntawm tus hniav.
Thaum siv cov yas yas, cov lus qhia thiab contraindications ntawm lawv cov kev siv yuav tsum tau txiav txim siab ua ntej ntawm tag nrho cov thiaj li yuav tiv thaiv teeb meem.
YContraindications
Muaj qee yam contraindications rau cov khoom siv dag zog, ntawm cov uas nws yuav tsum tau ua kom pom tseeb xws li:
- malocclusion;
- qhov siab me me ntawm cov hniav khaws cia;
- tus neeg mob hnub nyoog qis dua 16;
- thinning ntawm phab ntsa ntawm cov hniav;
- loose tooth.
Ntxiv rau, contraindications suav nrog qhov muaj kev tsis haum rau cov khoom siv, nrog rau muaj qee yam kab mob ntawm lub qhov ncauj.
Key Benefits
muajntau qhov zoo ntawm kev siv cov yas yas, ntawm qhov uas nws yuav tsum tau ua kom pom tseeb xws li:
- good aesthetic factor;
- lub neej ua haujlwm ntev;
- nqi pheej yig;
- tsis xav kom koj cov hniav;
- biological compatibility ntawm cov ntaub ntawv nrog cov ntaub so ntswg thiab cov pos hniav.
Lub kaus mom ntsia rau ntawm cov hniav cuam tshuam yuav ua rau nws lub neej kev pabcuam thiab kev ua haujlwm zoo. Cov txheej txheej ceramic tiv taus cov kab mob uas ua rau kab noj hniav.
Dab tsi tuaj yeem yog qhov tsis zoo
Nws tsim nyog sau cia tias kev siv cov yas yas muaj qee qhov tsis zoo, uas suav nrog xws li:
- depulping tuaj yeem ua rau mob;
- tsis txaus lub zog ntawm qee hom yas;
- tsis zoo nkauj ntawm cov khoom hlau.
Tsis tas li ntawd, ntawm qhov tsis txaus, nws yog ib qho tsim nyog los qhia qhov tseeb tias qee zaum nws yuav tsim nyog rau cov hniav noj qab haus huv yog tias lawv ua haujlwm txhawb nqa. Hlau-ceramic yuav tsum tau sib tsoo ua ntej ntawm ib lub ntim loj ntawm cov ntaub, kwv yees li 2 hli ntawm txhua sab. Tias yog vim li cas nws yog qhov zoo dua rau nruab veneers ntawm cov hniav pem hauv ntej.
Txij li cov ntaub so ntswg tseem ceeb raug tshem tawm thaum lub sij hawm sib tsoo, cov ntaub so ntswg puas. Txawm li cas los xij, thaum nws tuag, cov txheej txheem inflammatory tsis tshwm sim tam sim ntawd, tab sis qee lub sij hawm tom qab lub installation ntawm cov yas. Yog li ntawd, nws yuav tsum tau tshem tawm cov yas thiab tom qab ntawd tshem cov hniav, thiab tom qab ntawd prosthetics. Txhawm rau kom tsis txhob muaj qhov teeb meem zoo li no, cov hniav tau pib depulped, thiab tom qab ntawd cov hauv paus kwj dej raug kaw.
Txoj kev tsim khoom thiab kev teeb tsa
Cov txheej txheem ntawm kev kho hniav thiab txhim kho cov hniav cuav yog muab faib ua ob peb theem. Yog tias tsim nyog, cov hniav yog thawj zaug kho, thiab tom qab ntawd nws tau npaj kom nws thiaj li tau txais cov duab zoo. Qhov tob ntawm kev sib tsoo feem ntau nyob ntawm tus yam ntxwv ntawm cov hniav thiab hom yas.
Tom qab ntawd, tus kws kho mob muab pov tseg. Raws li lawv, cov yas yas yog tsim nyob rau hauv lub chaw kuaj hniav. Thaum cov txheej txheem fabrication tab tom ua tiav, cov qauv ib ntus muab tso rau ntawm tus hniav kom tiv thaiv kev puas tsuaj.
Kev tsim cov hlau-ceramic crowns hais txog cov txheej txheem ntev thiab ua haujlwm hnyav, vim nws yog qhov tsim nyog los tso saib tag nrho cov yam ntxwv ntawm tus hniav. Cov khoom siv ceramic yog siv rau hauv cov khaubncaws sab nraud povtseg, vim nws yuav tsum tau tua hluav taws txhua txheej hauv lub tshuab nqus tsev tshwj xeeb 6-8 zaug.
Thaum lub kaus mom mus tas li npaj tau, nws raug sim rau, thiab yog tias tsim nyog, cov duab raug kho. Cov kauj ruam kawg yog txhawm rau txhim kho cov yas yas hauv nws qhov chaw ruaj khov nrog cov cement. Kev kho hniav niaj hnub txawv ntau txoj hauv kev ntawm kev teeb tsa thiab kho.
Qhov kev xaiv tshaj plaws yog los nruab rau ntawm tus pin. Cov tshuaj no muaj ntau qhov zoo vimmuab cov qib yuav tsum tau muaj kev ntseeg siab thiab durability, thiab kuj muaj tus nqi pheej yig. Tus pin yog ib tug pas nrig ua los ntawm yas los yog hlau. Nws tau nruab rau hauv lub qhov (socket) hniav thiab kho nrog cov ntaub ntawv tshwj xeeb.
Ib yam yuav tsum tau ua ua ntej rau txoj hauv kev no ntawm kev kho cov yas yas yog qhov muaj cov hauv paus noj qab haus huv, uas yuav tsum muaj qhov tsim nyog. Lwm txoj kev teeb tsa yog kev siv lub pob tawb. Ua ntej ua cov txheej txheem zoo li no, cov hniav txhaws yog ua.
Yog tias nws tsis tuaj yeem txuag cov hauv paus hniav, uas tuaj yeem ua lub hauv paus rau kev siv cov khoom siv, ces siv cov khoom siv nrog kev cog hniav. Cov txheej txheem no ntev dua, tab sis qhov tshwm sim yog cov hniav zoo tag nrho.
