Zirconium oxide: piav qhia, khoom, daim ntawv thov nta thiab tshuaj xyuas

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Zirconium oxide: piav qhia, khoom, daim ntawv thov nta thiab tshuaj xyuas
Zirconium oxide: piav qhia, khoom, daim ntawv thov nta thiab tshuaj xyuas

Video: Zirconium oxide: piav qhia, khoom, daim ntawv thov nta thiab tshuaj xyuas

Video: Zirconium oxide: piav qhia, khoom, daim ntawv thov nta thiab tshuaj xyuas
Video: Town Meeting: Fall Day 3 - October 23, 2017 2024, Hlis ntuj nqeg
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Y Prosthetics yog siv txhua qhov chaw, hauv txhua qhov chaw kho hniav. Niaj hnub no, muaj kev xaiv loj ntawm cov khoom siv rau kev tsim cov prostheses thiab cov txheej txheem rau lawv cov installation. Cov khoom siv zirconium oxide tshiab tau qhuas nrog nws cov khoom zoo thiab suav tias yog qhov zoo tshaj plaws rau daim ntawv thov no.

Zirconium oxide ua cov tshuaj lom neeg

zirconium oxide
zirconium oxide

Zirconium oxide (dioxide) ZrO2 yog pob tshab, tsis muaj xim tsis muaj kob ntawm lub zog tshwj xeeb, insoluble hauv dej thiab feem ntau cov kev daws teeb meem ntawm alkalis thiab acids, tab sis soluble hauv alkali melts, iav, hydrofluoric thiab sulfuric acids. Lub melting point yog 2715 ° C. Zirconium oxide muaj nyob rau hauv peb hom: ruaj khov monoclinic, uas muaj nyob rau hauv cov xwm, metastable tetragonal, uas yog ib feem ntawm zirconium ceramics, thiab unstable cubic, uas yog siv nyob rau hauv cov hniav nyiaj hniav kub raws li ib tug imitation ntawm pob zeb diamond. Nyob rau hauv kev lag luam, zirconium oxide yog dav siv vim nws superhardness; refractories, enamels, iav thiab ceramics yog tsim los ntawm nws.

Scope ntawm kev siv oxidezirconium

Zirconium oxide tau tshawb pom hauv xyoo 1789 thiab tsis tau siv sijhawm ntev, tag nrho nws lub peev xwm loj tsis paub rau noob neej. Tsuas yog tsis ntev los no, zirconium tau nquag siv hauv ntau thaj chaw ntawm tib neeg kev ua ub no. Nws yog siv nyob rau hauv kev lag luam automotive, piv txwv li, nyob rau hauv kev tsim cov brake discs rau high-end tsheb. Hauv kev lag luam chaw, nws yog qhov tseem ceeb - ua tsaug rau nws, cov nkoj tiv taus qhov kub thiab txias tsis txaus ntseeg. Cov cuab yeej txiav, cov twj tso kua mis kuj muaj zirconium oxide. Nws kuj yog siv nyob rau hauv cov tshuaj, piv txwv li, raws li lub taub hau ntawm dag pob qij txha. Thiab thaum kawg, hauv kev kho hniav, nws tuaj yeem qhia tag nrho nws qhov zoo tshaj plaws hauv lub luag haujlwm ntawm cov hniav hniav.

Zirconium oxide hauv kev kho hniav

Hauv kev kho hniav niaj hnub no, zirconium oxide yog cov khoom siv nrov tshaj plaws rau kev tsim cov hniav hniav. Nws tau dhau los ua thoob plaws hauv cheeb tsam no vim nws cov khoom zoo xws li hardness, lub zog, hnav tsis kam thiab kev khaws cia ntawm cov duab thiab zoo li lub sijhawm ntev, kev sib raug zoo ntawm cov ntaub so ntswg ntawm tib neeg, thiab zoo nkauj tsos. Yuav siv tau rau ib leeg crowns, txuas hniav, pins, ruaj hniav hniav nrog implants.

zirconium oxide nqi
zirconium oxide nqi

Zirconium oxide, tus nqi uas siab dua li lwm hom prostheses, yog qhov nyuaj rau kev ua haujlwm. Qhov no yog vim lub fact tias xws li crowns yog kim tshaj plaws. Tom qab tsim lub thav duab, ib txheej ntawm dawb ceramic yog siv rau nws, vim zirconium oxide nws tus kheej tsis muaj xim. Ua tsaug rau qhov no, ceramics tuaj yeem siv tau heevnyias txheej.

Metal-free crowns on zirconium oxide

Zirconium oxide yog cov khoom siv tshiab hauv kev tsim cov yas thiab txuas hniav. Yav dhau los, kev siv cov hniav nyiaj hniav kub rau ntawm cov ncej hlau yog qhov tseeb thiab tsis muaj lwm txoj hauv kev. Tab sis cov kws tshawb fawb tau tshawb fawb thiab tshawb nrhiav cov khoom siv uas tsim nyog tshaj plaws, uas muaj ob qho tib si zoo nkauj thiab kev sib haum xeeb nrog cov ntaub so ntswg ntawm tib neeg lub cev, ruaj thiab hnav. Cov khoom zoo li no tau pom, thiab qhov no yog qhov tsis tshua muaj nyob hauv cov xwm txheej, hais txog nws qhov zoo nws tsuas yog muab piv nrog pob zeb diamond.

zirconium oxide cov hniav
zirconium oxide cov hniav

Nrog rau qhov tshwm sim ntawm zirconium crowns, cov neeg mob tuaj yeem txaus siab rau qhov zoo nkauj tshwj xeeb thiab kev zoo nkauj ntawm prostheses, lwm yam yog tias tsis yog txhua tus tuaj yeem them taus qhov kev zoo siab. Tab sis vim nws lub zog, tej zaum koj yuav tau siv nyiaj ib zaug thiab rau tag nrho lub neej - zirconium prostheses yog incredibly hnav-resistant thiab ruaj. Vim lub fact tias zirconium oxide nws tus kheej yog pob tshab, ua ke nrog ib tug nyias txheej ntawm ceramics, cov nyhuv ntawm tej yam ntuj tso hniav yog tsim. Tsis tas li ntawd, cov crowns haum snugly rau cov pos hniav, tsis txhob muaj qhov sib txawv me ntsis, uas tsim ib qho kev zoo nkauj dua.

Aesthetic plus durability

White steel - qhov no yog qee zaum hu ua ceramics ntawm zirconium oxide. Crowns ua los ntawm cov khoom no yog 5 npaug zog dua li txhua-ceramic hniav hniav. Dab tsi yog qhov zoo ntawm lub zog zoo li no? Ua ntej lub advent ntawm zirconium oxide nyob rau hauv kev kho hniav, crowns tau ua los ntawm ib tug hlau moj khaum ntawm ib tug tuab txheej ntawm ceramics. Hlau rau lub zog, ceramic rauzoo nkauj. Tab sis nws yog tsis yooj yim sua los tsim ib tug kiag li tej yam ntuj tso saib nyob rau hauv no txoj kev, ib tug tsaus nti strip yog pom meej meej nyob rau hauv qhov chaw ntawm kev sib cuag ntawm lub prosthesis nrog cov pos hniav (cov nyhuv no yog muab los ntawm cov hlau ncej).

ceramics ntawm zirconium oxide
ceramics ntawm zirconium oxide

Zirconium oxide tsis yog qhov qis dua hauv lub zog rau hlau, thiab tso cai rau koj kom xa cov xim ntuj thiab pob tshab, zoo li cov hniav ntuj, tsis muaj xim ntxiv. Nws zoo ib yam li cov ntaub so ntswg ntawm cov hniav, muaj lub teeb kis tau tus mob. Rays ntawm lub teeb nkag mus rau lub thickness ntawm lub crown yog refracted thiab tawg ib txwm, tsim cov nyhuv ntawm kev noj qab haus huv thiab zoo nkauj luag. Thaum txhim kho cov pob qij txha, cov kws kho hniav xaiv cov xim uas tsis txawv ntawm cov xim ntawm lwm cov hniav, yog li cov yas tsis muab nws tus kheej tawm, sib koom ua ke nrog cov hniav noj qab haus huv.

YBiocompatibility

Cov hlau los ntawm cov hlau-ceramic prostheses qee zaum ua rau muaj kev tsis haum rau tus neeg mob, o thiab kev quav tshuaj ntev ntev rau cov pob qij txha. Zirconium oxide crowns yog qhov zoo tagnrho rau cov neeg uas muaj qhov tsis haum thiab tsis haum rau cov hlau.

zirconium oxide tshuaj xyuas
zirconium oxide tshuaj xyuas

Qhov no yog vim lawv cov khoom:

  • Kev nyab xeeb muaj pes tsawg leeg (tsis muaj silicon oxide).
  • Resistant to acids, low solubility.
  • Smooth nto tiv thaiv kev tsim ntawm ya.
  • Inert rau lwm yam khoom muaj nyob rau hauv lub qhov ncauj.
  • High thermal rwb thaiv tsev kom tsis txhob muaj qhov tsis xis nyob thaum noj kub lossis txiasfood.
  • Kev npaj tsawg kawg ntawm cov hniav noj qab haus huv. Lub zog ntawm cov khoom tso cai rau koj los tsim cov txheej txheem nyias, yog li sib tsoo cov hniav kom tsawg kawg nkaus thiab khaws cov ntaub so ntswg zoo dua.

YContraindications

Zirconium oxide, uas nws cov khoom yog zoo tagnrho rau cov hniav hniav, yuav luag tsis muaj contraindications, tsuas yog rau cov nram qab no tus yam ntxwv ntawm tib neeg lub cev:

  • Kev sib sib zog nqus yog ib qho pathology ntawm lub puab tsaig ntawm lub puab tsaig, uas lub puab tsaig sab sauv npog cov hniav qis los ntawm ib feem peb thaum kaw. Qhov tsis xws luag ua rau lub siab ntau dhau ntawm cov hniav ntawm lub puab tsaig sab sauv thiab ua rau muaj kev puas tsuaj ntxiv ntawm cov hniav enamel.
  • Bruxism yog ib qho kev tsis txaus ntseeg uas tshwm sim los ntawm kev sib tsoo cov hniav, feem ntau thaum pw tsaug zog. Qhov laj thawj tsis tau txheeb xyuas tag nrho, tab sis ntau tus kws tshawb fawb pom zoo tias bruxism yog qhov tshwm sim ntawm kev puas siab puas ntsws thiab kev ntxhov siab. Ua rau cov hniav puas thiab hniav hnav.

Kev tsim cov kaus mom

Zirconium oxide yog qhov nyuaj rau kev ua haujlwm, yog li kev tsim cov yas los ntawm nws yog txheej txheem ua haujlwm hnyav. Nws suav nrog ob peb kauj ruam:

zirconium oxide zog
zirconium oxide zog
  1. Npaj qhov ncauj tab tom npaj, cov hniav yog hauv qab lub kaus mom.
  2. Ib qho kev xav tau los ntawm tus hniav tig, ua qauv ntawm lub kaus mom yav tom ntej.
  3. Laser scan ntawm tus qauv yog ua tiav, cov ntaub ntawv nkag mus rau hauv lub computer rau kev ua haujlwm.
  4. Ib qho khoos phis tawj tshwj xeeb ua qauv lub cev coj mus rau hauv tus account tag nrho cov nuances (piv txwv li, shrinkage ntawm carcass tom qab tua).
  5. A digit altshuab tig thiab tus ncej yog tsim los ntawm zirconium dawb paug.
  6. Lub tshuab carcass tau muab tso rau hauv lub qhov cub kub kom sinter qhov loj thiab xyuas kom muaj zog ntau dua.
  7. Cov thav duab tiav yog npog nrog cov khoom siv ceramic ntawm qee qhov ntxoov ntxoo xaiv rau ib tus neeg mob.

Qhov zoo ntawm zirconium crowns hla hlau ceramics

Yog xav tau cov khoom siv prosthetics, tus neeg mob yuav ntsib cov lus nug uas yuav xaiv cov hniav cuav. Zirconium oxide muaj ntau yam zoo dua lwm cov ntaub ntawv:

  • Prosthetics nrog zirconium crowns tsis tas yuav tshem tawm cov hlab ntsha.
  • Tsis muaj hlau hauv kev tsim, uas tshem tawm cov teeb meem xws li kev tsis haum tshuaj, ib qho xim hlau hauv qhov ncauj.
  • Guaranteed tsis muaj kab mob hauv qab lub kaus mom. Prosthesis fits snugly rau cov pos hniav, cov khoom noj thiab cov kab mob tsis nkag mus rau hauv nws.
  • Qhov tseeb ntawm lub moj khaum. Kev ua cov ntaub ntawv digital tau lees paub qhov tseeb tsis txaus ntseeg hauv kev tsim kho.
  • Ib leeg xim sib xws. Lub tiav lawm prosthesis yog visually indistinguishable ntawm tus so, noj qab nyob zoo cov hniav.
  • Muaj peev xwm ua tus choj ntawm qhov ntev;
  • Lub teeb yuag.
  • Tsis muaj tshuaj tiv thaiv rau cov zaub mov txias thiab kub. Hnav cermets tuaj yeem ua rau tsis xis nyob los ntawm qhov kub thiab txias. Zirconium oxide tsis muab cov tshuaj tiv thaiv zoo li no.
  • Tag nrho natural looks.
  • Tsis muaj grey ciam teb rau thaj tsam ntawm kev sib cuag nrog cov pos hniav.
  • Nyob rau hauv kev npaj rau prosthetics, tsis muajqhov yuav tsum tau sharpen tus hniav.
  • Yuav tsis deform thiab khaws lawv cov tsos thiab zoo rau lub sijhawm ntev.

Reviews

crowns raws li zirconium oxide
crowns raws li zirconium oxide

Lub sijhawm luv luv ntawm kev siv, zirconium oxide tau tswj xyuas nws tus kheej hauv kev kho hniav, kev tshuaj xyuas ntawm nws tsuas yog qhov zoo. Tau kawm ntau cov lus pom hauv lub network, peb tuaj yeem xaus tias cov khoom siv no zoo tagnrho rau kev tsim cov hniav cuav. Rau tag nrho lub sij hawm ntawm kev siv zirconium oxide nyob rau hauv prosthetics, tsis tau pom ib qho teeb meem ntawm kev tsis haum tshuaj. Kev kho kom rov zoo yog sai thiab tsis muaj teeb meem, thiab cov tsos ntawm kev luag nyav tsuas yog txaus siab rau tus neeg mob, tsis ua rau muaj kev puas siab puas ntsws vim muaj lub cev txawv teb chaws hauv lub qhov ncauj. Cov neeg uas hnav cov yas yas nrog lossis tsis muaj txheej ua ntej txhim kho zirconium prostheses yog qhov zoo siab tshwj xeeb. Tom qab tag nrho, lawv muaj ib yam dab tsi los piv nrog. Ob peb lub xyoo dhau los, hom prosthetics no tau nrov heev, vim tsis muaj lwm txoj hauv kev rau lub sijhawm ntawd. Hlau crowns tsis tsuas yog ua rau lub cev tsis xis nyob (kev ua xua, tshuaj tiv thaiv rau qhov kub thiab txias), tab sis kuj tsis saib zoo nkauj. Tom qab hloov lawv nrog zirconia, tib neeg xav tsis thoob li cas cov hniav cuav tuaj yeem pom tsis tau rau lwm tus thiab zoo li ntuj. Qhov no tau ua tau ua tsaug rau cov khoom siv yav tom ntej - zirconium oxide.

Pom zoo: